www.hvac.vn digital temperature switches the materials included in this compilation are for the use...
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Digital Temperature Switches
The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific,
written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.
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Overview
TSWWeatherproof Digital Temperature Switch
TST/TSXTDigital Temperature Switches
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TSW – Specifications
IP66 EnclosureProbe Range: -50 to 150°C (-58 to 302°F)Accuracy: ±1% FSControl Type: ON/OFFOutput: Single Stage–1 SPDT, Two Stage–2 SPDT
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TSW - Features
Configuration key available for programing multiple unitsPassword protected parameter settingsJumper parameter setting lockoutMultiple conduit knockouts for installation flexibilityLine voltage jumper pins1 PTC thermistor probe included with control
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TST – Specifications
Front Display IP65Probe Range: -50 to 150°C (-58 to 302°F)Accuracy: ±1% FSControl Type: ON/OFFOutput: SPDT 16A @ 240 VAC Resistive
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TST - Features
Internal Buzzer for probe/memory error or high/low temperature alarm conditionsConfiguration key available for programing multiple unitsPassword protected parameter settingsCapacitive buttons offer a clean lookMODBUS® protocol for remote communication
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TSXT - Specifications
Front Display: IP65 Probe Range: -50 to 150°C (-58 to 302°F)Accuracy: ±1% FSON/OFF ControlUp to 3 Relay Outputs
Relay 1 – SPST 16A @ 240 VAC ResistiveRelay 2 – SPST 5A @ 240 VAC ResistiveRelay 3 – SPST 8A @ 240 VAC Resistive
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TSXT - Features
Models available with 1, 2, or 3 relay outputs3 temperature inputs and one digital input for complete refrigeration controlConfiguration key available for programing multiple unitsCapacitive buttons offer a clean lookMODBUS® protocol for remote connection
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Applications
TSW used to control temperature of coolant in industrial process chillers
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Applications
TST used to limit fermentation temperature in brewing systems
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Applications
TST used to maintain heated water line temperature in outdoor wood boilers
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Applications
TSXT used to control refrigeration and defrost cycles in refrigerated cabinets
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Applications
TSXT used to control refrigeration and defrost cycles in walk in coolersModbus feature offers remote monitoring to ensure proper function
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Applications
TST used to maintain heated liquid bath temperature in industrial parts washers and ultrasonic cleaners
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Additional Applications
The TST, TSXT, and TSW can be used in many other refrigeration, cooling, or low temp heating applications where On/Off control is desired
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TSW – Demonstration
Conduit Knockouts on Side, Bottom
and Back
User Interfac
e Buttons
Process
ValueOutput
On Indicato
r
Units
Defrost On
Indicator
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TSW – Demonstration
Sensor
Input
Outputs and Power
Supply
Line Power
Jumpers
Configuration Key Input
Lockout Jumper
Label with Wiring
Diagram
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TSW – Demonstration
Set point adjustmentPress – Display will show “SP”Press again – Display will show set-point value “3”Use and to adjust set-point valuePress to store valuePress and to exit parameter menu and return to normal operation
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TSW – Demonstration
Parameter adjustmentPress and hold until display shows “0”
(approximately 8 seconds)
Press again – Display will show “SP”Use and to cycle through parameter menuPress to view parameter settingUse and to adjust parameter settingPress to store parameter setting and return to menuPress and to exit parameter menu and return to normal operation
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PID Loop Controllers
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Overview
16G PID Loop Controller1/16 DIN Panel Mount
8G PID Loop Controller1/8 DIN Panel Mount
4G PID Loop Controller1/4 DIN Panel Mount
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4G/8G/16G - Specifications
Control Types: PIDPID Program (Ramp/Soak)Fuzzy logicOn-OffManual Control
Output Options:5A Relay4-20mA Current0-10 DC Linear Voltage12V Pulse
Universal Inputs:ThermocouplesRTDs0-10V4-20mA0-50mV
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4G/8G/16G - Features
RS-485 Modbus communication standard2 integral user programmable function buttons
Cycle between 2 stored set-pointsCycle between run and stop modesCycle between auto and manual modesManual reset of alarm conditions
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4G/8G/16G – Features
Up to two hardware options can also be selected when ordering:
Input retransmission (4-20 mA)Remote set-point adjustment (4-20 mA input)Digital input which can be programed for:
Hard parameter lockoutCycle between run and stop modesCycle between auto and manual modesManual reset of alarm conditions
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4G/8G/16G - Applications
16G used to control damper position in Dryer Oven
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4G/8G/16G - Applications
PID controllers used to maintain temperatures in medical laboratory incubation chambers
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4G/8G/16G - Applications
PID controllers to run programmed heat cycles in environmental testing chambers
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4G/8G/16G - Applications
PID controllers used to control sealing iron temperature in packaging equipment
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Additional Applications
The 4G, 8G, and 16G can be used in many other temperature or process control applications where PID, or multi-step control is desired