technical manual 5e-440a...se-440a - technical manual page 3 1. se-440a-enhanced 3-channel...

Technical Manual

SE-440A Enhanced 3-Channel Controller

S-Systems

SE-440A - Technical Manual

Page 1

TABLE OF CONTENTS

Page Number

1. SE-440A - ENHANCED 3-CHANNEL CONTROLLER ............................................................................... 3

2. GENERAL DESCRIPTION ......................................................................................................................... 4

3. OPERATION SPECIFICATIONS ............................................................................................................... 5

3.1 ELECTRICAL ............................................................................................................................... 5

3.2 PLUMBING ................................................................................................................................... 5

3.3 VENTILATION ............................................................................................................................... 5

4. UNPACKING THE CONTROLLER ............................................................................................................ 6

5. ACCESSORIES ......................................................................................................................................... 7

5.1 CHART RECORDERS ................................................................................................................... 7

5.2 METERING PUMPS ...................................................................................................................... 7

6. INSTALLATION ......................................................................................................................................... 9

6.1 MOUNTING THE CONTROLLER/PUMPS .................................................................................... 9

6.2 PLUMBING INSTALLATION .......................................................................................................... 9

6.3 ELECTRICAL INSTALLATION ...................................................................................................... 10

6.4 INSTALLATION CHECK-OUT ...................................................................................................... 11

7. OPERATION ............................................................................................................................................. 12

7.1 THEORY OF OPERATION ............................................................................................................ 12

7.2 FUNCTIONS OF COMPONENTS ................................................................................................. 13

7.3 REAGENT MAKE-UP ................................................................................................................... 16

7.4 CALIBRATION.............................................................................................................................. 17

7.5 OPERATION OF THE PLC .......................................................................................................... 26

7.6 START-UP PROCEDURE ............................................................................................................. 28

7.7 SHUTDOWN PROCEDURE ......................................................................................................... 30

8. PREVENTIVE MAINTENANCE ................................................................................................................. 31

8.1 PREVENTIVE MAINTENANCE ..................................................................................................... 31

8.2 TITRATION PUMP ........................................................................................................................ 32

8.3 TROUBLESHOOTING .................................................................................................................. 32

8.4 RECOMMENDED SPARE PARTS ................................................................................................ 40

9. LIMITED WARRANTY STATEMENT ........................................................................................................ 41

10. ATTACHMENTS ...................................................................................................................................... 42

10.1 FRONT COVER ........................................................................................................... ATT 1 - PG 1

10.2 SE-413A IN LINE CELL .............................................................................................. ATT 2 - PG 1

10.3 PUMP PLATE .............................................................................................................. ATT 3 - PG 1


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10.4 PUMP PLATE - REAR VIEW .................................................................................... ATT 4 - PG 1

10.5 TERMINAL STRIP ................................................................................................... ATT 5 - PG 1

10.6 TITRATION FLOW .................................................................................................. ATT 6 - PG 1

10.7 ELECTRICAL BACK PLATE .................................................................................... ATT 7 - PG 1

10.8 pH CONTROLLER (RELAY) SET UP ........................................................................ ATT 8 - PG 1

10.9 CALIBRATION/ CONVERSION TABLES ................................................................. ATT 9 - PG 1

10.10 ELECTRICAL SCHEMATIC................................................................................... ATT 10 - PG 1

10.11 INSTALLATION OF pH SENSOR .......................................................................... ATT 11 - PG 1

10.12 PROCEDURE FOR CALIBRATION OF FMI PUMPS ............................................. ATT 12 - PG 1

10.13 SE-440A LOGO LOGIC ........................................................................................ ATT 13 - PG 1


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1. SE-440A-ENHANCED 3-CHANNEL CONTROLLER

The SE-440A is an enhanced version of the standard SE-440A three channel

Controller. It utilizes all the features of the original SE-440A plus many more.

New Features of the SE-440A Improved pH sensors

No Reagent (Acid) makeup

Pump calibration from the front panel

New alarm lights (eight separate alarms instead of only one)

Built in SE 413A Flow through Cell

Separate ON/OFF switches for A R & C pumps

Internal splash guard to isolate the liquid pump plate from the

electrical components.

Improved titration block with more reliable pH sensors (reduces the

effect of gas bubbles.)

Integrated PLC alarm and process control.

The SE-440A is functionally the same as the earlier version but includes enhancements that

make it more versatile and operator friendly.


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2. GENERAL DESCRIPTION

The S-Systems SE-440A is a three-channel solid-state process controller. It is designed to

meet the requirements of both printed circuit and plating on plastics applications by

providing precise automatic replenishment of the copper, caustic, and formaldehyde

components of electroless copper baths.

The S-Systems three-channel controller provides simplified controls and displays. Minimal

amounts of reagents are consumed. A 4-20 mA output is provided for each of the three

channels and may be used for a chart recorder or computer interface.

The SE-440A controller is enclosed in a JIC NEMA fiberglass case of the following

dimensions: Height: 24 inches; Width: 20 inches; Depth: 10.5 inches. Shipping weight: 85

pounds. For convenience of installation, the SE-440A controller has drilled wall mounting

tabs.


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3. OPERATION SPECIFICATIONS

3.1. ELECTRICAL

P/N 75024 US Standard 120V, 60 Hz, 10 A

P/N 75035 International 240V, 50 Hz, 5 A

P/N 75037 SE-413A

NOTE: If electronic diaphragm pumps are to be used for replenishment, separate power

outlets should be provided. NOT AVAILABLE IN 240 VOLTS.

3.2. PLUMBING

The SE-440A requires a sample flow rate of 600 ml/min which can be provided by a tap off the

process tank recirculation pump.

3.3. VENTILATION

No ventilation required.


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4. UNPACKING THE CONTROLLER

The SE-440A is ruggedly built and packaged to withstand reasonably rough handling. S-

Systems, however, recommends the controller crate be opened as soon as it is received and

any damage immediately reported to the carrier.

After uncrating the controller, the packing list should be compared with the items received

and any shortages immediately reported to S-Systems.


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5. ACCESSORIES

5.1. CHART RECORDERS

A chart recorder is available for the SE-440A controller:

6-Channel Strip Chart Recorder (P/N 75851); 4-20 mA input. Used for copper,

caustic, and formaldehyde.

NOTES:

1. Rated power voltage: 100-240 VAC (50/60 Hz).

2. Included is one roll of chart paper which should last approximately 30 days when the

controller is operated 24 hrs/day.

3. P/N 75855 Chart Paper for 6-Channel Strip Chart Recorder.

4. Supplied with each recorder is a 20-foot cable, P/N 75318, which is wired to the

terminal strip. A longer cable may be specified when ordering, P/N 75319.

5.2. METERING PUMPS

Two lines of metering pumps for use with the SE-440A are available from S-Systems.

Gorman-Rupp Bellows Pumps:

The bellows pumps operate from the switched AC controller circuitry. If the proper size

pump for the applicable flow rate is selected, this style pump should be adequate for most

shop needs. An extension cord (20 ft) with 4 outlets will be provided.


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Electronic Diaphragm Pumps:

Electronic diaphragm pumps (modified by the manufacturer for S-Systems), are

recommended when more than two components from a single channel are required to

maintain solution operating ranges. These pumps provide maximum accuracy and

reproducibility. They are powered from a standard 120V wall outlet.

Selecting a Metering Pump:

Operation of an Automatic Process Controller depends to a large degree upon proper

installation, selection of the type and size, and calibration of the metering pumps.

As a general rule, most metering pumps are fairly accurate between 30 % and 90 % of their

maximum output rating. Above and below this range, the varying inlet suction pressure and

output head pressure will have too large an impact on pump delivery rates to permit

accurate and permanent pump calibration.

When using a Controller, the replenishment rate ratio between various replenishers is

VERY important. Selection of proper size metering pumps will permit trouble-free

operation for long periods of time when properly installed and calibrated.


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6. INSTALLATION

6.1. MOUNTING THE CONTROLLER/PUMPS

1. Mount the SE-440A controller as close to the work tank and replenishment tanks as

possible. Do not exceed 20 feet from either work tank or replenishment tanks. The

SE-440A is provided with mounting flanges for easy installation of the NEMA ,

fiberglass case.

2. Mount reagent tank shelf under the SE-440A controller, leaving enough space to

remove reagent lines and reagent containers.

3. Mount each replenishment pump as close as possible and above its respective

container. Run outlet tubing to work tank. Install injector valve if provided. Install a

foot valve on a piece of tubing. With the foot valve installed, cut the length of the

tubing so that the valve sits on the bottom of the tank and just reaches the suction

side of the pump.

Notes:

1) Tubing on pressure side of the pump must be pressure rated (=> pump

outlet max pressure).

2) Replenishment pumps are not included with SE-440A System.

6.2. PLUMBING INSTALLATION

The plumbing installation for the SE-440A controller is a simple matter of connecting the

sample line, the reagent tanks and the dosing pump tubing. Actual routing of the lines may

vary from installation to installation due to specific machine configurations. A description

of each step follows:


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SAMPLE LINE:

Installation of the sample line is accomplished by connecting a 3/8" OD polyethylene tubing

between the process tank and the controller and the SE-413A mounted on the left hand side of

the controller (and return).

Tapping from the recirculation pump:

Material Required:

3/8" OD polyethylene tubing

Plumbing Tee (same size as recirculation plumbing) with reducer to 1/2" NPT X

3/8 tubing connector

REAGENT TANKS

Installation of the reagent tank plumbing is a simple matter of inserting the 1/4" OD Tygon

tubing from the bottom of the controller into the correct tank.

Route the tubing through the poly tubing fittings on the top of the tank. Be sure that the number

on the tubing matches the number of the tank.

* Waste lines must not be submerged in solution.

** Keep waste lines separate from reagent lines.

DOSING PUMPS

In order to insure accurate dosing, and prevent siphoning, S-Systems recommends that a foot

valve be installed in the replenishment reservoir and an injector valve be installed at the outlet

end of the dosing line.

6.3. ELECTRICAL INSTALLATION

The electrical terminal strip is located in the upper right hand (inside) corner of the controller.

Terminal connections are shown in the drawing a the back of this manual.


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6.4. INSTALLATION CHECK-OUT

S-Systems completely wet tests each controller before it leaves the factory, therefore, no

special procedures for initial start-up or check-out is required.

It is recommended that the normal Start-up and Calibration procedures in Section 7

(Operation) of this manual be carefully followed.


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7. OPERATION

7.1. THEORY OF OPERATION

7.1.1. Copper Channel

As the copper concentration of an electroless plating solution increases, the color of the

solution intensifies. Light which is passed through the solution is partly absorbed by the

solution. The greater the intensity of the color, the greater the amount of light which is

absorbed.

The SE-440A makes use of this principle to control the amount of copper replenishment

components to the solution. Solution flows through a cell, on one side of which is a light

source, on the other side of which is a photovoltaic device. As light from the source passes

through the solution, the amount absorbed varies directly as the color intensity, which in

turn is a function of the concentration of the solution.

Conversely, the amount of light which is transmitted through the solution, hence the

amount of light which reaches the photovoltaic device, varies inversely as the color

intensity. The output in millivolts, of the photovoltaic device is directly proportional to the

amount of light which reaches it.

Thus as the concentration increases, the millivolt output from the photovoltaic device

decreases. It is this millivolt output which is fed into the SE-440A and processed to control

solution replenishment. In order to increase the sensitivity, the light source (a 12volt bulb),

is powered by 8-10 volts. This situation causes the bulb to emit more heavily in the red

spectral region which is the band of wavelengths which are absorbed by electroless

solution.

7.1.2. Caustic Channel

Sodium hydroxide (caustic) concentration is determined by continuously mixing a constant

flow of the plating solution with an equal flow of acid of preselected concentration. When

the plating solution is at the desired concentration with respect to hydroxide, the pH of the

mixed stream is at the inflection point (pH 10.2) of the titration curve. The pH of the mixed

stream is measured and compared to a set point (pH 10.2).

A reading below set point corresponds to a low hydroxide concentration and will activate

the caustic replenishment circuitry. A reading above set point corresponds to a high

hydroxide concentration and will deactivate the caustic replenishment circuitry.


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7.1.3 Formaldehyde Channel

Formaldehyde concentration is determined by reacting a constant flow from the caustic

channel with an excess of sodium sulfite solution. This reaction yields sodium hydroxide

which raises the pH of the solution. The solution is then mixed with a constant flow of a

second acid of preselected concentration.

When the plating solution is at the desired concentration with respect to caustic and

formaldehyde, the pH will be at the 10.2 inflection point. The pH is then measured and

compared to a set point (10.2).

A reading below set point when the caustic is in range, corresponds to low formaldehyde

concentration and will activate the formaldehyde replenishment circuitry. A reading above

set point will deactivate the formaldehyde replenishment circuitry.

If the caustic reading is below a pre-selected set point (9.8 pH), there is an PLC interlock

which prevents the formaldehyde replenishment circuitry from activating, and an alarm

light will turn on indicating low caustic. When the caustic comes within range, the

interlock is deactivated allowing any necessary formaldehyde replenishment.

7.2. FUNCTIONS OF COMPONENTS

OUTSIDE THE ENCLOSURE

Power Switch

The power switch turns power ON/OFF to the controller. Switch lights indicate the

controller is powered.

Pump Switches

In the manual position, power is supplied to the pump control relay allowing continuous

replenishment. The switch light remains ON, indicating replenishment. In the Automatic

position, power to the control relay is supplied from the controller as required. The switch light is

ON only during replenishment.


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Copper Process Controller

The Process controller is a compact proportional, integral, derivative microprocessor

controller which operates in two modes (User Mode and Set-Up Mode).

In the User Mode, the operator is able only to monitor outputs and adjust the set point value.

In the Set-Up Mode, the microprocessor is fully accessible, thus enabling the operator to

adjust all control parameters.

There is a four digit LED display which reads the actual value of the parameter being shown,

and a graphic display which indicates relative deviation from set point both in magnitude and

direction. The display also includes various legends which tell the operator which parameter

is being displayed.

Alarm Lights

Eight "red" alarm lights are provided to indicate the status of the caustic, formaldehyde and

copper channels. They indicate pump status and when the process is out of range (high or

low).


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INSIDE THE ENCLOSURE

WARNING: There are no protective interlocks to provide interruption of power when

cover is open.

Control Relay(s) - Provides signals to the replenishment pumps.

DC Power Supply - Provides 8-10 VDC power to light source in copper probe.

PLC - To provide integrated process control and alarm functions, the SE-440A uses a Logo

24L PLC and power supply. All logic control functions for the SE-440A are pre-

programmed and do not require any operator input. The SE-440A does however provide

eight timer/counter functions that can be changed by the operator. The procedure to change

timers and counters is in Section 7.4.5 Timer/Counter Settings.

Timer/Counter Description Factory Setting

Bl Power ON Delay Timer - Allows a preset 15 minutes

amount of time for the process and the

controller titration system to stabilize before

making any chemical adds.

B4 Timer Pump Z - Maximum On cycle time 3 minutes

for pump Z.

B7 Timer Pump Z - Maximum OFF cycle time 2 minutes

for Pump Z

B10 Timer Pump Y - Maximum On cycle time 3 minutes

for pump Y.

B13 Timer Pump Y - Maximum OFF cycle time 2 minutes

for Pump Y

B21 CTV - Counter Pump Z - Maximum 6

number of cycles for pump Z (NaOH)

B24 CTV - Counter Pump Y - Maximum 6

number of cycles for pump Y (HCHO)

B27 Timer Copper Alarm - Maximum ON for 10 minutes

Copper Pump


Page 16

These timer counters provide better process control by:

• When the SE-440A controller is first activated, no process replenishment will

be allowed until the titration system has had a chance to stabilize.

• During replenishment, the Y and Z pumps are cycled ON/OFF thus allowing

for process stabilization without overshooting the set point.

• Should replenishment times exceed a given number of cycles, an alarm will

sound indicating a possible problem.

Should the copper replenishment pump exceed a pre-set amount of time, it

will sound an alarm indicating a possible problem.

Any interruption of power to the controller causes timers and counters to reset.

Replenishment will be delayed for the preset interval.

Terminal Strip - The Terminal Strip is used to bring external wiring (i.e.

replenishment/sample pump/computer interface) into the controller.

Titration Pump Assembly - Brings reagents and sample into controller and mixes and

delivers them to pH sensors. (See Pump Plate Drawing Attachment 3 at end of this

manual).

PH Electrode Assembly - Two temperature-compensated, combination pH/ reference

electrodes in flow-through block.

7.3. REAGENT MAKE-UP

DI/THIO: Add 2 g of Thiourea (0.25 g/1 to poison the sample so that it will

not plate out inside the controller). Stir until all the Thiourea is

dissolved.

Acid: Use standard 0.1N HC1

Sodium Sulfite:

Sodium Sulfite solution should be made up fresh daily at

20 g/l.

Note: Sodium sulfite is a reagent in excess, and need not be

weighed to extreme accuracy.


Page 17

1. Multiply 20 g/1 by the volume (in liters) which you desire to make.

2. Weigh this amount of sodium sulfite, and put it into the container

labeled Sodium Sulfite.

3. Bring to volume with DI water.

4. Stir until all the sodium sulfite is dissolved.

Example:

Plant is only running one shift, and Sodium Sulfite must be made up fresh

daily.

Solution is consumed at 5 ml/min.

5 ml/min X 60 min/hr X 8 hr = 2400 ml

Make up 2 liters.

20g/1X21=40g

1. Weigh 40g of Sodium Sulfite ±2g.

2. Put this into the container labeled Sodium Sulfite.

3. Pour in 2 liters of DI water.

4. Stir until the Sodium Sulfite is completely dissolved.

7.4. CALIBRATION

7.4.1. Replenishment Pump

Since pumps of different types and manufacture differ in the manner in which they are

calibrated, this section will not attempt to discuss the mechanics of calibration, only the

general principles.

The SE-440A independently controls three channels (Cu, NaOH and HCHO), pump flow

ratios (from one to another) are not critical. If, however, there is more than one pump tied

to a channel, the flow ratio of one to the other is critical. Pumps should be set for 1½ to 2

times bath depletion rate.

Yield figures and ratios of one replenishment component to another are available on

product data sheets.


Page 18

Procedure:

1. Determine pump rate.

2. Set up pump in accordance with the manufacturer's instructions.

3. Prime the pump and fill the line with solution.

4. Fill an appropriately sized graduated cylinder with solution to be pumped.

5. With outlet side of pump connected to the system as it will be used, place inlet tube

(complete with foot valve if any) in cylinder.

6. Pump for a given time period.

7. Read volume in cylinder. Subtract from full volume.

8. Divide Volume difference by time to get the rate.

9. Adjust pump and repeat steps 4 thru 8 until desired rate is obtained.

10. Replace inlet tube in replenisher drum. Calibration is complete.

7.4.2. Signet Controller

pH CHANNEL

When power is first applied to the unit, it will display pH and temperature.


Page 19

STANDARDIZATION OF pH ELECTRODE (Should be performed biweekly.)

1. Turn the sample pump off.

2. Into a clean 250 ml beaker pour approximately 100 ml of pH 7.00 buffer

solution.

3. Remove the pH electrode from the titration block and thoroughly rinse it

with TAP water. Blot dry (do not wipe) with a lab tissue.

4. Place the electrode and the thermometer into the pH 7 buffer solution

and allow it to stabilize for 1 to 2 minutes. If pH is ± .1 and the

temperature is within 2 degrees, no adjustments are necessary.

5. Remove electrode and thermometer from buffer 7 solution. Rinse

electrode thoroughly with tap water and blot dry (do not wipe) with a lab

tissue.

6. Place the electrode into buffer 10 solution and allow it to stabilize for 1

to 2 minutes, to check the slope. Thermometer is not necessary. If within

± .1 units, then no adjustments are necessary.

CALIBRATION OF THE pH SENSOR

1. Turn the sample pump off.

2. Into a clean 250 ml beaker pour approximately 100 ml of pH 7.00 buffer

solution.

3. Remove the pH electrode from the titration block and thoroughly rinse it

with TAP water. Blot dry (do not wipe) with a lab tissue.

4. Place the electrode into the pH 7 buffer solution and allow it to stabilize

for 1 to 2 minutes.

5. Select menu directory by pressing the up arrow key once.

6. Press right arrow key once, arrow down to calibration. Hit enter.

7. The display will read:

8. Press arrow down key once. The display will read:

pH1 Cal at:

instrument

Set pH1 Std


Page 20

9. Press right arrow key once. Display will read:

10. Press UP arrow key three times, press DOWN arrow key once. Display

will read:

If not displaying 7.00, use the appropriate arrow keys to adjust the

reading to 7.00 on the display.

a. If mV is ±30 mV or greater, replace electrode.

b. Go back to step 5 and repeat calibration.

Press enter to save the entry.

11. Press arrow down key once. Display will read:

Remove electrode from buffer 7.00. Clean with DI water and immerse

electrode into pH 10.00 buffer solution. Allow to stabilize (1-2 min.) Press

right arrow key once. pH value will flash.

If not displaying 10.00 use the appropriate arrow keys to adjust the reading

to 10.00 on the display. Press enter to save the entry.

12. Press arrow down key once. Display will read:

Use a separate thermometer to determine the buffer solution. Once the

temperature is determined press the right arrow key, input thermometer

value, hit enter and return the electrode to the “T” fixture. Quick press the up

and down arrow keys simultaneously twice to return to the “view” mode.

Enter password

Set pH1

standard (pH value

flashing)

Set pH1 Slope

Set Temp T1


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ENTERING ALARMS & SET POINTS

The Signet 8900 contains four 120 VAC 5 amp relays which are used for RLY 1, RLY 2,

RLY 3 and RLY 4 functions.

Set points are entered as follows.

Relay Caustic Formaldehyde

Relay 1 is low

Set relay 1 10.20 10.20

Set HYS 1 00.02 00.02

Relay 2 in high

Set relay 2 11.00 (11.00+)

Set HYS 2 00.02 00.02

Relay 3 is low

Set relay 3 09.40 09.40

Set HYS 3 00.02 00.02

Relay 4 is high

Set relay 4 09.80 11.00

Set HYS 4 00.02 00.02

1. Select UP arrow key, menu directory will appear.

2. Press right arrow key.

3. Arrow DOWN to RELAY, press enter.

4. Press enter to select, RELAY 1 SOURCE pH 1 will display.

5. Depress DOWN arrow to display RELAY 1 MODE: LOW. Depress right arrow key

and enter password (up arrow 3 times, down arrow once.) Press enter.

6. Arrow DOWN to RELAY1 SET POINT. To modify RELAY 1 SET POINT, depress

right arrow key, first digit will start flashing. Use right arrow key and UP and DOWN

arrow keys to make changes. Hit enter to save new settings.

7. Depress DOWN arrow to RELAY 1 HYS. Depress right arrow key, first digit will

start flashing. Hysteresis is set at the factory at 00.02. Hit enter to save setting.

8. Depress DOWN arrow key to RELAY 2 SET POINT. To change value, press right

arrow key. Use right arrow and up and down arrow keys to change values. Press enter

to save new set point for relay 2.

9. Press DOWN arrow key to RELAY 2 HYS. Hysteresis is set at 00.02. Hit enter to

save.

10. Repeat steps 1-9 for relay 3 and relay 4.


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7.4.3. Copper Controller Calibration

SET POINT

Before calibrating Cu, adjust bath to desired concentration, insure that there is solution flow

through the SE-413A.

1. Adjust fine calibration knob to 5.0 on the dial.

2. Turn Main Power Switch to ON position. This will cause the entire display on the

Process controller to activate momentarily. The millivolt output of the sensor will

then be displayed.

3. Coarse Adjustment:

4. Adjust the coarse potentiometer knob until the mV reading is as close to 250 mV as

possible (Turning CCW will decrease the signal; CW will increase the signal).

5. Fine Adjustment:

6. Adjust Fine Calibration Knob to 250 mV.

ALARM CIRCUIT

The Process Controller has the ability to turn on an alarm whenever the mV reading

deviates from set point by a predetermined amount. This amount is preset at 30mV, but

may be changed if desired. As delivered, when the mV reading deviates ±30mV from set

point, the alarm circuitry will activate, causing the ALM1 to display on the front panel.

NOTE: Except to change the alarm values, there should be no necessity to put the controller

into SET-UP Mode, since all other parameters are preset by S-Systems.


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SET-UP MODE

PUT THE CONTROLLER INTO SET-UP MODE

1. Depress and SCROLL and LOWER buttons simultaneously and release.

2. To return the controller back to normal display, press up and down keys at the same

time.

ADJUSTING A PARAMETER IN THE USER MODE

3. Press and hold SCROLL button for 3 sec. Use SCROLL button to step through

its sequence of displays. Each display will show the value of the selected

parameter in the lower display and the legend which identifies that parameter in

the upper display. To change a value, push either up or down while the value is

being displayed. The values which have been preset by S-Systems appear below.

NOTE: The Instrument continues to function as a controller when it is in Set-up

Mode.

PRESET FUNCTION VALUES-COPPER CONTROLLER

PARAMETERS LEGEND RANGE VALUES

Band Alarm Value A1DV 0 to span from Set Point 30

PV1 Shift (Offset)

Value SHiF -3600 to 3600 0

Proportional band PB1 0 to 500 mV 5

Integral Time Constant TI1 0 sec to 1000 sec 300

Derivative Time

Constant TD1 00 sec to 360 sec 00

Output PL1 0 - 100% 100

Set point high and low limit may be used to lock in a desired set point, i.e., if you

had a set point of 260 mV you could set your low limit to 259 mV and your high

limit to 261 mV. No other set point could be entered other than 260 by the

operator. Must be in Set up Menu.


Page 24

7.4.4 FMI Titration Pumps

A timer is provided in the upper right corner of the front cover of the controller. This timer

is used to accurately "time" the operation of the titration pumps. By placing the "discharge"

tube from one of the pumps into a graduated cylinder and running the pump (one minute

for example), the flow rate of the pump can accurately be determined.

(See Attachment # 14 for a Detailed Procedure)

7.4.5 Timer/ Counter Settings

All timer and counter settings are adjusted through the Logo PLC located inside the controller

cabinet.

Procedure for changing Timer and Counter Values

l. Power is turned on and Logo is in RUN position.

2. Hit ESC. Display will read:

3. "Set Clock" and "Set Parameters" appears.

4. Hit down arrow to set parameters - hit OK.

Stop

Set Param

Set Clock

Prs name


Page 25

5. B1:T appears

6. To change values hit OK.

7. The first digit will flash - use UP or DOWN arrow to change values.

8. Use the RIGHT arrow to move the cursor.

9. When the new value is entered hit OK.

10. Hit the UP arrow to move to the next Timer parameter. Repeat step #4.

11. When finished setting parameters hit ESC twice. This will bring you back into

RUN mode

NOTE: You cannot change the units (seconds, minutes, hours) in this setup.


Page 26

7.5. OPERATION OF THE PLC

This section describes the basic operation of the PLC and how it controls the pumps and

timers. Even when operating pumps in a manual mode, the actual output of the pump is

controlled by the PLC therefore, you will see the pumps cycle ON and OFF. Operating in

manual mode, simply overrides the input signals from the controller and allows the

operator to make adds to the work tank. The PLC however, still controls the add and

provides an alarm if the pre-set number of add cycles is exceeded. This alarm requires

operator intervention and therefore minimizing the possibility of an over add.

Operation of the PLC is fully automatic and requires no operator interface.

Making replenishment adds of NaOH or HCHO:

l. A manual add can be made from the SE440 A controller when the three position

switch labeled "NaOH or HCHO" is in the manual position. This will start the

PLC ON-OFF cycle for the appropriate pump(s).

Turn the switch back to the auto position after making the add. Do not leave this

switch in the manual position, otherwise adds will repeat until Alarm

Counter counts out.

2. An add can be made from the SE-440A controller when the three position switch

labeled "NaOH or HCHO" is in the auto position. The output from the Signet pH

controllers will start the PLC ON-OFF cycle for the appropriate pump(s).

Typical operation of the PLC program for a NaOH add:

1. The PLC receives a signal from the Signet pH controller or the manual switch and

starts the add cycle:

A. Starts the NaOH Pump ON Timer

B. Starts the maximum counter

C. Turns on the NaOH pump

D. Count one to maximum count

2. When the NaOH Pump ON Timer times out:

A. Resets the NaOH Pump ON Timer

B. Turns off the NaOH pump

C. Turns on the Pump OFF Timer

3. When the NaOH Pump OFF Timer times out:


Page 27

A. Resets Pump Off Timer

B. The cycle counter is incremented by 1

C. One add cycle is complete

4. Steps 1, 2, 3 will continue until a pH of 10.2 is reached or a maximum of cycle

counts is reached.

5. If the cycle counter reaches its maximum preset count and the bath has not reached its set

point, the NaOH pilot light and the audible alarm will indicate a failure and no more

adds can be made.

A. Check pH controller on SE-440A.

B. If pH is low, trouble shoot the SE-440A controller.

C. Check replenishment chemicals levels - a manual add may be required.

D. Turn NaOH selector switch to the OFF position to reset the alarm circuit.

Notes:

When corrections are made, make sure the selector switch is in the Auto position.

The counters are set for a maximum of 5 adds: When the signal from the pH controller or

manual switch turns OFF, counter will reset.

The function of the Pump OFF timer is to allow time for the replenishment add to mix in the

work tank and for the SE-440A controller to detect any change in the NaOH concentration.

This provides a more uniform process control.

If the counter reaches its maximum count, the system will stop making adds and will go

into NaOH maximum count alarm.

Making replenishment adds to the copper:

A manual add can be made directly from the SE-440A controller. The CU selector switch, must

be turned to the manual position and A-R-C selector switches in the auto position. Be sure to turn

the CU switch back to the auto position after making the add.

Do not leave this switch in the manual position. Pumps will stay ON until timer in PLC

times out and an alarm activated.

An add can be made from the Copper controller if the CU selector switch and the A-R-C selector

switches are in the auto position. The output from the CU controller will start the following

sequence.


Page 28

1. The PLC receives a signal from the Copper controller:

A. Start CU maximum ON timer

B. Turns on CU pumps

2. When signal from the CU controller turns OFF it resets the CU maximum ON timer

alarm (Q8).

3. If the pre set time for the maximum ON timer is exceeded the alarm turn ON and

turns OFF CU pumps.

Although not necessary for the operation of the SE-440A, a copy of the PLC logic is

provided in Attachment 15.

7.6. START-UP PROCEDURE

CAUTION: DO NOT START SYSTEM UNTIL ALL OPERATING PARAMETERS ARE

IN RANGE (CU / NaOH / HCHO) ON THE SE-440A CONTROLLER

Before the operation of your SE-440A can begin, the PLC must be in the "RUN" mode.

Once the system has been up and running, this is the default mode and you should not

have to make any adjustments. However, should you try to start the controller and

"nothing happens", you need to check the status of the PLC. Follow this simple

procedure.

Make sure the power to the controller is ON.

Open the front door and observer the PLC display.

If the display indicates RUN, all is OK with the PLC.

If the PLC display indicates NO PROGRAM - contact S-Systems.

If the main menu is displayed: (see below)


Page 29

Do the following:

A. Press the down arrow until the arrow indicates "START"

B. Press the OK button

C. The PLC should now be in the RUN mode.

1. Fill reagent tanks with fresh reagents.

2. Place reagent lines into reagent tanks. #1 - DI water/Thio, #2 - sodium sulfite,

#3 - Acid (0. 1N HCl).

3. Turn replenishment pump switches (NaOH, HCHO, Cu, A, R, & C) to AUTO

position.

4. Turn reagent pump switch to AUTO and MTRl and MTR2 switches to ON

(up).

5. Turn ON the valve on the SE-413A marked "Sample".

6. Turn Replenishment pump switches to the Auto Position.

7. Turn the power switch on controller face to ON position. An adjustable (0 -1

hour) time delay (TD1) will start. This will allow the reagents and copper sample

to enter the system and stabilize. The replenishment pumps will not be activated

until the delay startup timer times out. Set at factory 15 min.

8. Check set points on Signet Controllers.


Page 30

7.7. SHUTDOWN PROCEDURE

1. Turn replenishment switches to OFF (NaOH, HCHO, Cu, A, R, & C).

2. Turn titration pumps switches to the OFF (MTR1 & MTR2).

3. Turn sample IN valve OFF and TAP water valve ON (SE-413A). This will

flush out the SE-413A with TAP water (10 second will be enough).

4. Remove sulfite tube from reagent tank and put into TAP water reagent tank.

Do not remove DI/Thio or acid tube from reagent tank. This will extend the

life of the electrode when controller is not in use.

5. Set pump calibration time for 10.00 minutes. (Auto shut off)

6. Turn titration pumps ON (MTRl & MTR2).

7. Turn the titration pump switch to "Time".

8. Wait 10 minutes for system to flush out completely.

9. Turn Controller Power switch OFF. Turn all other switches to OFF.

NOTE: Never shut down system for extended periods of time (in excess of 4 hours)

without flushing out pumps. Never run titration pumps dry.


Page 31

8. PREVENTIVE MAINTENANCE

8.1. PREVENTIVE MAINTENANCE

Maintenance Schedule

DAILY

Check reagent tank level every shift. Approximate operating time from full to

empty is 36 hours. Sodium sulfite must be made up fresh daily.

Check water and reagent tanks for algae and/or dirt. Clean and refill if necessary.

Flush out titration system with city water during shutdown. (Unless particularly

dirty, city water is preferred since it has less propensity to develop algae.)

NOTE: This instruction is for nightly shutdown. For short periods such as

power outages etc., this process is not necessary.

WEEKLY

Run stripping etch through sample loop with titration pump switch ON. This process

is most easily carried out while stripping the work tank. If work tank is not stripped at

least once a week, however, stripping etch should be made up and run through the

Sample Block. If plate-out is noted in between stripping times, strip immediately.

Flush with water for 6.6 minutes (follow procedure in 6.6).

When stripping, do the following:

1. Turn Off the replenishment pumps.

2. Place all reagent lines in TAP water source.

3. Allow stripping solution (from the tank or a separate container) to flow

through the SE-413A IN LINE CELL and through the pumps. Be sure to

clean ALL the Sample Lines.

Sample valve on SE-413A should be OPEN.

TAP water valve on SE-413A should be CLOSED.

4. When all copper residue has been removed, place sample line and

reagent lines in TAP water and flush thoroughly (See Section 6.6).

Sample valve on SE-413A should be CLOSED.

TAP water valve on SE-413A should be OPEN.


Page 32

BIWEEKLY

Standardize electrodes. Refer to standardization and sloping procedure for

information.

8.2. TITRATION PUMP

The FMI titration pumps supplied with the SE-440A controller are very precise

metering pumps which under normal operation should give many years of service. The

key element in insuring maximum life out of your FMI pump is to keep it clean. Daily

flushing with fresh TAP water (at shut down) is the single most important maintenance

step.

Should any problem be suspected with any of the FMI pumps, first check the titration

pump troubleshooting guide, then consult the FMI manual in the vendor data section at

the end of this manual for disassembly and repair procedures.

8.3. TROUBLESHOOTING

The following trouble shooting guides are provided at the end of this section.

TS-1 Channel - Copper

TS-2 Channel - Caustic

TS-3 Channel - Formaldehyde

TS-4 Pump - Titration

TS-5 Alarms


Page 33

TS-1 CHANNEL - COPPER

Problem

Probable Cause

Corrective Action

Bath being controlled at

other than desired C

concentration

Bath color changed as

function of age

Adjust bath to desired

concentration and recalibrate

controller

Millivolt meter reads 0

regardless of calibration

adjustment

Light bulb in cell failure

Replace bulb

Photocell short or open

circuit

Repair circuit or replace

photocell

Plate-out on optics

Strip plate-out with stripping

etch

Millivolt meter reads off

scale regardless of

calibration adjustment

Copper cell not filled with

solution due to sample flow

blockage or leak

Remove obstruction or repair

leak

Calibration circuit open due

to potentiometer failure

Replace potentiometer.

Millivolt level fluctuating

greatly

Air bubbles between optics

Reposition probe to less

turbulent area, or use flow-

through cell with cross flow

filter if necessary. Repair.

Loose electrical

connections. Power

supply damaged

Replace power supply.

Investigate cause. (usually

solution leakage into

electrical enclosure of probe

or cell causing short across

light bulb circuit)

Photo cell Replace


Page 34

TS-2 CHANNEL - CAUSTIC

Problem

Probable Cause Corrective Action

Bath being controlled below

the desired caustic

concentration

Acid 1 reagent tank empty

Refill tank

Blockage in Acid line (usually

indicated by air bubbles

introduced at acid pump)

Remove obstruction

Acid pump pumping air (no

obstruction in line) or leaking

Replace pump seals

pH electrode characteristic

change Standardize with pH 7.0 buffer,

slope to pH 10 with pH 10.0

buffer

Reagent pumps incorrect flow rates

Calibrate and read just flow

rates

Bath being controlled above

the desired caustic

concentration

Blockage in sample stream

(usually plate-out at sample

intake to controller)

Remove obstruction.

If plate-out, run stripping etch

through controller until

completely stripped Air being pulled through seals

of sample titration pump (No

blockage in line.)

Replace pump seals


change

Standardize with pH 7.0 buffer,

slope to pH 10 with pH 10

buffer

Reagent pumps incorrectly

flow rates

Calibrate and readjust flow

rates

Controller unable to control

bath

Faulty pH electrode Replace pH electrode

Ground fault Find and repair


Page 35

TS-3 CHANNEL -FORMALDEHYDE

Problem Probable Cause Corrective Action

Bath being controlled

below the desired

formaldehyde

concentration

Caustic channel malfunction Measure pH of effluent from

caustic channel on lab meter.

If significantly different from

reading on controller,

troubleshooting caustic

channel

Acid reagent tank empty Refill tan

Blockage in acid line Remove obstruction

Acid pump pumping air

(no line blockage)

Replace pumps seals

pH electrode characteristic Standardize with pH 7.0

buffer, slope to pH 10 with

pH 10 buffer.

Reagent pumps

incorrect flow rates

Calibrate and readjust

flow rates


the desired formaldehyde

concentration

Caustic channel

malfunction

Measure pH of effluent from

caustic channel on lab meter. If

significantly different from

reading on controller,

troubleshoot caustic channel

Sulfite reagent tank

empty Refill tank with freshly

made sulfite solution

Sulfite solution old (degraded) Discard and refill tank with

freshly made sulfite solution

Blockage in sulfite line Remove obstruction

Sulfite pump pumping

air (NO blockage inline) Replace pump seals

(cont.)


Page 36



the desired formaldehyde

concentration (continued)


change

Standardize with pH 7.0 buffer,

slope to pH 10 with pH 10 buffer

Ground fault Find and repair

Reagent pumps

incorrect flow rates

Calibrate and readjust

flow rates

Once reagent pump flow rates are set, they do not change unless someone changes them. For

example: inadvertently turning the dial while changing seals. For this reason, DO NOT

touch the pumps unless all else has failed.


Page 37

TS-4 PUMP - TITRATION


All pumps don't turn Pump Switch OFF Turn Switch ON

Drive Chain Broken Repair or Replace Chain

Pump Motor Inoperative Replace Motor

Pump Frozen Check sulfite pump first.

Clean/replace

One pump doesn't turn Drive gear slipping Tighten set screw on Drive

Gear

Pump leaks solution Worn seals Replace Seals

Pump leaks air Seal problem Reset Seals

if problem

continues

Replace Seals

Pump runs backwards Failure of sample

pump motor starting

capacitor

Replace capacitor


Page 38

TS-5 ALARMS

The following list eight different alarm conditions and suggested responses.

1. NaOH maximum count alarm:

a. check replenishment pump

b. check sample line

c. check pH sensor, motors, pumps, and tubing inside controller

d. check pH controller

2. NaOH Lo alarm:





3. NaOH Hi alarm:





4. HcHo maximum count alarm:





5. HcHo Lo alarm:

a. check replenishment pump b. check sample line



6. HcHo Hi alarm:

a. check replenishment pumps

b. check reagent tank



7. Copper maximum time alarm:



c. check in-line cell (bulb, photocell)

d. check calibration on copper controller (coarse and fine adjustment)


Page 39

8. Copper out of range alarm:



c. check in-line cell (bulb, photocell)

d. check calibration on copper controller (coarse and fine adjustment)


Page 40

8.4. RECOMMENDED SPARE PARTS

Part Number Quantity Description

76429 1 Mixing Coil - 17 Turn

76432 1 Mixing Coil - 10 Turn

76441 1 Titration Pump

75696 5 Tubing Connector

75697 5 Female Luer

*76111 1 25 m motor 120 V

77219 1 Replacement pH sensor

77218 1 Pre-Amplifier

75700 2 Lamp 13 volt

75860 1 10 turn dial

75859 1 1K calibration potentiometer

75714 1 20 K calibration potentiometer

75723 1 Lamp holder

75300 1 Photo Cell

75573 1 Piston Assembly. For Titration Pump

75583 10 Lip Seals for RH1CKC-LF 76441

75530 2 "O" ring for pH sensor

* Note: For 220V, use P/N 76110 – 25 RPM Motor


Page 41

9. LIMITED WARRANTY STATEMENT

S-Systems warrants equipment of its manufacture to be free from defects in workmanship

and material for thirty days -- parts and labor, and for ninety days -- parts only, from date of

delivery under normal use and service when such equipment is used in accordance with

instructions furnished and for the purpose for which the equipment was designed. The

liability of S-Systems, under this warranty, shall be limited to the replacement or repair of

any defective equipment or part. Replaceable elastomeric parts are expendable and are not

covered by warranty either expressed or implied.

THERE ARE NO OTHER WARRANTIES CREATED HEREBY OR ARISING WITH

RESPECT TO THE SAME EITHER EXPRESSED OR IMPLIED INCLUDING,

WITHOUT LIMITATION, WARRANTIES AS TO DESCRIPTION, QUALITY,

MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE OR USE, OR

ANY OTHER MATTER.

Under no circumstances shall S-Systems be liable to the buyer or any third party for any

loss of profits or other direct or indirect cost, expense, losses or consequential damages

arising out of or as a result of any defects in or failure of its products or any part or parts

thereof.


Page 42

10. ATTACHMENTS:

10.1. Front Cover

10.2. SE-413A In Line Cell

10.3. Pump Plate

10.4. Pump Plate - Rear View

10.5. Terminal Strip

10.6. Titration Flow

10.7. Electrical Back Plate

10.8. pH Controller (Relay) Set Up

10.9. Calibration/ Conversion Tables

10.10. Electrical Schematic

10.11. Installation of pH Sensor

10.12. Procedure for Calibration of FMI Pumps

10.13. SE-440A Logo Logic


10.1 Front Cover

Attachment 1 - Page 1

6 4

10

5

2 2

3

13

2

3

13

2

13

3

10

5

2

10

5

2

10

5

2

8

6

1

8 7

6

2

14

6 9 11 12 9


10.1 Parts List for Front Cover


ITEM QTY DESCRIPTION P/N

75024 (120 VAC)

75035 (220 VAC)

1 1 1 Timer 75515

2 16 16 Contact Block N/O 77003

3 3 3 3-Position Switch 77000

4 1 1 Push Button 77946

5 4 4 2-Position Switch 77001

6 8 8 Alarm Light 28 VDC 75507

7 1 0 mV Controller FDC 8300 (93 volts) 75867

8 2 0 pH Controller 77226

9 2 2 10 turn dial 75860

10 4 0 Light Module Green 120 V 77006

0 4 Light Module Green 240V 77004

11 1 1 1K Pot 75859

12 1 1 20K Pot 75714

13 3 3 Light Module Green 24V DC 77005

14 1 1 3 Position Switch non Illuminated 77002


10.2 SE-413A In-Line Cell


(Mounted on the left hand side of the Controller)


1 2 1/4" LABCOCK 75596

2 4 AMP PIN 75783

3 1 RECEPTACLE 75782

4 1 LAMP HOLDER 75723

5 1 PHOTO CELL 75300

6 1 BULB 13 VDC 75700

7 1 Plug 75777

8 1 Plug 75778

9 4 Pin 75779

10 1 4 Conductor Cable -16 inches 75763

11 2 Glass Rods 75818

12 1 Teflon Block 75410

13 2 Glass Rod Fittings 75305

14 1 Strain Relief 75780

15 1 Sonar Alert 120V 75686

16 1 Sonar Alert 220V 75691

NOTICE: When flushing; Turn "Sample IN" valve OFF and "TAP WATER IN"

valve ON. Allow water to flow for 5 to 10 seconds.

12

2

3

15

11

13

14

10

1

4

5

6

7

8

9


10.3 Pump Plate

Attachment 3 - Page1


10.3 Parts List for Pump Plate



1 4 Titration Pump RHICKC-LF 76441

2 1 Titration Pump RHOCKC-LF 76440

3 1 10 Turn mixing coil 76432

4 1 17 Turn mixing coil 76429

5 2 Pre Amp 77218

6 2 pH Sensor 77219

7 1 Male hose barb 77173

8 2 25 rpm motor - 120 VAC 76111

25 rpm motor - 220 VAC 76110

9 1 Titration Block 75450

11 13 Male Luer 75696

12 19 Female Luer 1/4-28 75697

13 7 Male Luer 3/32 ED 77172

14 2 Tubing Tee 77192

15 14' Tubing 3/32 ID 77177

16 3' Tubing 1/8 ID 75559


10.4 Pump Plate - Rear View


ITEM QTY P/N

1 14EM31S-13 4 76104

2 14EM31S-16 1 76630

3 14EM95S-44 1 76633

4 14EM95S-48 1 76631

5 RC14SS-CHAIN 1 76107

6 RC14SS-CL LINK 2 76108

5

6

1

1

3

6

4

1

1

2

5


10.5 Terminal Strip


Item Description Qty

1 75771 End Clamp 2

2 75766 GF6B End Barrier 1

3 75768 Terminal Black 30

4 75770 Rail 9 in. 1

5 75823 Two Tier Block 5

6 77216 GF6 Fuse Holder 1

7 75765 BAF 10A Fuse 1


10.6 Titration Flow


Was

te


10.7 Electrical Back Plate



1 4 Relay Base 75745



*4 2 Relay 120 V 75746

5 2 Relay 1 Pole 24 VDC 75822



8 2 Toggle Switch 75831

9 1 Power Supply 75760

10 1 Power Supply Logo 24V 2.5_A 77950

11 1 Logo 24L PLC 77949

12 1 I/O expanded 24L PLC 77948

*For 220V system, use relay 75744

1

4

2

5

3

6

1

7 7

1

5

2 8

4

1

9

10 11 12


10.8 - pH Controller (Relay) Set Up


Relay Caustic Formaldehyde

Relay 1 is low

Set relay 1 10.20 10.20

Set HYS 1 00.02 00.02

Relay 2 in high

Set relay 2 11.00 (11.00+)

Set HYS 2 00.02 00.02

Relay 3 is low

Set relay 3 09.40 09.40

Set HYS 3 00.02 00.02

Relay 4 is high

Set relay 4 09.80 11.00

Set HYS 4 00.02 00.02


10.9 Calibration/Conversion Tables


NaOH

Acid Pump

HCHO

Acid Pump

Pump

mls g/1

NaOH

Pump

mls g/1

HCHO

4.4 7.04 1.7 2.04

4.5 7.20 1.8 2.16

4.6 7.36 1.9 2.28

4.7 7.52 2.0 2.40

4.8 7.68 2.1 2.52

4.9 7.84 2.2 2.64

5.0 8.00 2.3 2.76

5.1 8.16 2.4 2.88

5.2 8.32 2.5 3.0

5.3 8.48 2.6 3.12

5.4 8.64 2.7 3.24

5.5 8.80 2.8 3.36

5.6 8.96 2.9 3.48

3.0 3.60

3.1 3.72

3.2 3.84

3.3 3.96


10.10 Electrical Schematic



10.10 Electrical Schematic


S-Systems

Norwood, MA

Tel. 781-762-7726

SE-440A Controller


10.11 - Installation of pH Sensor


pH Sensor Installation

Removal from block:

• pH sensor is not fastened or connected to the block - therefore no tools are required.

• Holding the block with one hand and the sensor with the other, turn the sensor 1/4 to 1/2 turns to the right while pulling straight back.

• Stop when the 'O' ring enters the drain chamber.

• Wait until the solution drains from the block - drain line is clear.

• Continue turning the sensor to the right and pull Slowly (More solution may flow out).

Installation of sensor:

Push sensor fully into the block and turn 1/4 turn to the right. This will seat the

electrode.

Replacing the sensor:

• Remove the sensor (with preamp) from the block.

• Twist counter clockwise until alignment marks are aligned.

• Pull preamp and sensor apart.

• Reverse procedure to install the new sensor:

016 EPDM 0-

Ring (75530)

Titration Block


10.12 Procedure for Calibration of FMI Pumps


Factory Settings:

The DI/Thio, Sample, and Sulfite pumps are factory set and do not need calibration except

when replacing. Normal calibration of the SE-440A is accomplished using the - NaOH and

HCHO pumps.

Factory Setting: NaOH - 5.1 ml/min @ 8.16 g/l

HCHO - 2.8 ml/min @ 3.36 g/l

Before you start:

TURN OFF ALL REPLENISHMENT PUMPS.

TURN OFF THE SAMPLE VALVE TO THE SE-413A AND FLUSH WITH TAP

WATER.

Calibration Procedure:

1. Remove reagent lines from there respective tanks and place them in the TAP water

tank.

2. Remove the sample line from the inside of the controller cabinet (disconnect the luer

fitting); attach a "sample line"; and place in the TAP water tank.

3. Run all titration pumps for 3 minutes to completely flush the system.

4. Calibrate the DI/Thio pump and Sample pump.

NOTE: THE DI/THIO PUMP MUST BE CALIBRATED BEFORE THE

SAMPLE PUMP.

a. Set Pump Switches

Titration Pump to OFF

MTR-2 (Acid Sulfite Pump Motor) OFF.

MTR-1 (Sample/DI) ON

b. Set Calibration Timer to 1 to 3 minutes (See end of this procedure).

c. Remove luer fitting from the pump to be calibrated and connect the

calibration tub and burette.

d. Read the level of solution in the burette (if no solution, run the pump until the line

is purged and some solution is in the bottom of the burette).

e. Switch the calibration timer to "time" position.

f. When the timer is complete, the pump will turn OFF - read the solution level in

the burette. The Titration Pump Switch must be turned OFF to reset the timer.




g. The difference divided by the time is the pumps calibration rate.

h. Adjust the pump (up or down) and re-test until the proper calibration rate is reached.

i. Repeat calibration procedure for the Sample pump.

5. Calibrate Acid and Sulfite Pumps.

a. Set Pump Switches

Titration Pump to OFF

MTR-2 (Acid Sulfite Pump Motor) ON.

MTR-1 (Sample/DI) OFF

b. Set Calibration Timer to 1 to 3 minutes (See end of this procedure).

c. Read the level of solution in the burette (if no solution, run the pump until the line is

purged and some solution is in the bottom of the burette).

d. Switch the calibration timer to "time" position.

e. When the timer is complete, the pump will turn OFF - read the solution level in the

burette. The Titration Pump Switch must be turned OFF to reset the timer.

f. The difference divided by the time is the pumps calibration rate.

g. Adjust the pump (up or down) and re-test until the proper calibration rate is reached.

h. Repeat calibration procedure for the remainder of the pumps.

6. When calibration is complete, return all pump tubing to its original position and follow the

normal start up procedures to run the controller.




To Set the Timer:

1. Turn the Titration Pump Timer switch OFF.

2. Press "Set" button.

3. Set each digit one at a time using the small button below the display.

4. Press the "Enter" button.

To Calibrate, You Need:

Burette

Sample Line

Calibration Line

Reminder!

When calibration is complete; MTR switches must be ON and the Titration

Pump Switch in Auto to run the controller.


10.13 SE-440A Logo Logic


SE-440A LOGO LOGIC

technical manual 5e-440a...se-440a - technical manual page 3 1. se-440a-enhanced 3-channel...

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