ergonomic safety palm button - steven engineering · 2002. 9. 10. · optional fs box assembly is...

251Pepperl+Fuchs Inc. • 1600 Enterprise Parkway • Twinsburg, Ohio 44087-2245 • www.am.pepperl-fuchs.comTelephone (330) 486-0001 • FAX (330) 405-4710 • E-Mail: [email protected]®PEPPERL+FUCHS

Ergonomic Palm Buttons

WARNINGThis product may cause substantial personalinjury or property damage if it is not installedand used in accordance with the manufacturer'sinstructions and in accordance with theregulations of the Occupational Safety andHealth Administration part 1910.217, theprocedures prescribed by the American NationalStandards Institute B11.1 and B11.19, andall other applicable regulations, proceduresand codes. The manufacturer shall not beresponsible or liable for any injury or damageresulting from use of the product in any suchapplications or the failure to comply with anysuch regulation, procedure or code.

IMPORTANT:See pages 288, 290 and 292for information concerningoperating standards and safety.

This product has been tested by UnderwritersLaboratory, and is recognized underStandard UL 491 “ Standard for PowerOperated Machine Controls and Systems.”

The requirements of UL 491 are in accordancewith the following Standards:

NFPA79 The Standard for Metal Working Tools

NFPA70 National Electrical Code

ANSI B11.1 Standard for the Construction Careand Use of Mechanical Power Presses

OSHA Section 1910.217

The capacitive palm button is an ergonomicalternative to mechanical pushbuttons.Unlike its mechanical counterpart, P+Fcapacitive palm buttons require only asimple touch to activate. They can evensense the operator’s hands through gloves!This sensitivity greatly reduces an operator’srisk of contracting repetitive motion injuries,such as carpal tunnel syndrome. Designedfor use with standard two-hand machinecontrol, the palm button’s patented designeliminates the possibility of false actuationdue to RFI (radio frequency interference).

PB1-008-6 (AC)PB2-008-6 (DC)

Optional FS boxassembly is shown

Optional FS boxassembly is shown

PB1-010-9

For use withheavy gloves

Standard model

Ergonomic SafetyPalm Button• Requires only a simple touch to activate• Reduces risk of carpal tunnel syndrome

and other repetitive motion injuries• Prevents false triggering caused by RFI• “Captive-Contact” relay outputs• Available mounted in an FS box or

cover plate assembly• UL listed with U.S. and Canadian

safety standards

LISTED

Courtesy of Steven Engineering, Inc. ! 230 Ryan Way, South San Francisco, CA 94080-6370 ! Main Office: (650) 588-9200 ! Outside Local Area: (800) 258-9200 ! www.stevenengineering.com

252 Pepperl+Fuchs Inc. • 1600 Enterprise Parkway • Twinsburg, Ohio 44087-2245 • www.am.pepperl-fuchs.comTelephone (330) 486-0001 • FAX (330) 405-4710 • E-Mail: [email protected]®PEPPERL+FUCHS


SpecificationsMODEL NUMBER

ACTUATION

OUTPUT RELAY: Contact Set. The contactsare one way guided. The restricted guidanceof the contacts is certified by the GermanTUV. Certificate No. R 9012316.

CURRENT RATING(resistive and inductive)

VOLTAGE RATING

MECHANICAL LIFE

ELECTRICAL LIFE

SUPPLY VOLTAGE

LED(s)

POWER CONSUMPTION

MECHANICAL SHOCK TEST LIMIT

VIBRATION TEST LIMIT

FAST TRANSIENTIMMUNITY (IEC1000-4-4)

Symmetrical

Nonsymmetrical

ELECTROSTATIC DISCHARGEIMMUNITY (IEC1000-4-2)

RADIO FREQUENCYIMMUNITY (IEC1000-4-3)

CONDUCTED NOISEIMMUNITY (IEC1000-4-6)

PROTECTION (IEC)

WORKING TEMPERATURE RANGE

RESPONSE TIME

CE REFERENCE

HOUSING MATERIAL

ELECTRICAL CONNECTION

PB1-008-6

Hand sensitive — requiresno physical pressure toinitiate. Works with and

without gloves.

2 — Normally open2 — Normally closed

1A, AC or DC

250VAC max.

≥5x107

≥5x106

120VAC/45-60Hz

Yes (1)

≤1W

45g for 2ms

f≤60Hz @ ≤1mm, max. 4g

4kV

1000V

2000V

8kV

10V/m*

10V (RMS)*

IP64

0°F to +122°F

ON time delay ≤60msOFF time delay ≤80ms

EMC-directive 89/336/EECEN 50081-2, EN 50082-2

Noryl N190

Terminalhousing

IMPORTANTThis sensor has been tested tomeet UL 491 Standard regardingsafety devices.Before installing, refer to ANSIB11.1, B11.19 and OSHA 1910.217.Should the switch be used in atwo-hand control application, eachhand control shall be protectedagainst unintended operation andarranged by design, construction,and/or separation so that theconcurrent use of both hands isrequired to trip the press. Thecontrol system shall be designedto permit an adjustment which willrequire concurrent pressure fromboth hands during the die closingportion of the stroke. The controlsystem shall incorporate anantirepeat feature. The controlsystems shall be designed torequire release of all operator’shand controls before an interruptedstroke can be resumed.Should the switch be used in atwo-hand trip application, a two-hand trip shall have the individualoperator’s hand controls protectedagainst unintentional operation andhave the individual operator’s handcontrols arranged by design andconstruction and/or separation torequire the use of both hands totrip the press and use a controlarrangement requiring concurrentoperation of the individualoperator’s hand controls. Two-hand trip systems on full revolutionclutch machines shall incorporatean antirepeat feature.Rings or shrouds are commonlyused to protect palm-actuatedbuttons from unintentionalactuation. Precautions in design orinstallation are needed to preventactuation of two buttons by theuse of one hand and the elbow ofthe same arm and to inhibit othercircumvention of the two-handrequirement.The device shall be located at adistance from the nearest hazardsuch that the operator cannotreach the hazard with a hand orother body part before cessation ofmotion ofthe hazardous portion of themachine cycle. Descriptions offormulas for distances, betweenthe switches and from the nearesthazard, can be found in AmericanNational Standards Institute (ANSI)B11.1 and B11.19.Since each two-hand control ortrip application is different, theuser needs to make sure that allOccupational Safety and HealthAdministration (OSHA) andAmerican National StandardsInstitute (ANSI) requirements arefollowed.This device shall be installed sothat the distance between theterminal connections of the palmbutton switch and a dead metalpart (including the enclosure) isa minimum of 1/4".

*If palm button face is not covered, its outputrelays will not be activated. If palm buttonface is covered, the sensor defaults to asafe state (output relays are deactivated).

PB2-008-6


without gloves.


1A, AC or DC

250VAC max.

≥5x107

≥5x106

24VDC

Yes (1)

≤1W

45g for 2ms


4kV

500V

500V

8kV

10V/m*

10V (RMS)*

IP64

0°F to +122°F



Noryl N190

Terminalhousing

Insensitive to overspray and residue from virtually any cutting fluid or lubricant!

4

3

2

1

7

6

5

SURGE VOLTAGEIMMUNITY(IEC1000-4-5)

Wiring Diagrams

AC DC




ø 2.362

ø 1.693ø 2.204

1.575

.787

3.465

0.080

LED indicatesenergized output relays

Screwterminals

.394

unless otherwise specified

To order palm button only, specifyPB1-008-6 (AC)PB2-008-6 (DC)

NOTE: A clearance of 1/2" is recommended between thetop of the palm button and the height of the ring guard.

To order full assembly with a1-hub box and ring guard, specify

PB-A02-008-6 (AC)PB-D02-008-6 (DC)

To order full assembly with a2-hub box and ring guard, specify

PB-A04-008-6 (AC)PB-D04-008-6 (DC)

NOTE: A clearance of 1/2" is recommended between thetop of the palm button and the height of the ring guard.

To order palm button assembly withcover plate and gasket, specify

PB-A01-008-6 (AC)PB-D01-008-6 (DC)

To order full assembly with a 1-hubbox and U-Channel guard, specify

PB-A19-008-6 (AC)PB-D19-008-6 (DC)


PB-A20-008-6 (AC)PB-D20-008-6 (DC)

Key To Model Numbers for Assemblies

Dimensions (in.)

FS Box Components & AccessoriesPB-FSBG-1H ........ Palm button FS box (1 hub)PF-FSBGA ............ Gasket onlyPB-PFRG .............. Round ring guard (green)PB-CAP ................ Protective CapPB-CPG ................ Cover plate/gasketPF-FSBCG ............ Housing cover plate




Reliably activates even when operators wear heavy gloves

SpecificationsMODEL NUMBER

ACTUATION

OUTPUT RELAY: Contact Set. The contactsare one way guided. The restricted guidanceof the contacts is certified by the GermanTUV. Certificate No. R 9012316.

CURRENT RATING(resistive and inductive)

VOLTAGE RATING

MECHANICAL LIFE

ELECTRICAL LIFE

SUPPLY VOLTAGE

LED(s)

POWER CONSUMPTION

MECHANICAL SHOCK TEST LIMIT

VIBRATION TEST LIMIT

FAST TRANSIENTIMMUNITY (IEC1000-4-4)

Symmetrical

Nonsymmetrical

ELECTROSTATIC DISCHARGEIMMUNITY (IEC1000-4-2)

RADIO FREQUENCYIMMUNITY (IEC1000-4-3)

CONDUCTED NOISEIMMUNITY (IEC1000-4-6)

PROTECTION (IEC)

WORKING TEMPERATURE RANGE

RESPONSE TIME

CE REFERENCE

HOUSING MATERIAL

ELECTRICAL CONNECTION

PB1-010-9


without gloves.


1A, AC or DC

250VAC max.

≥5x107

≥5x106

120VAC/45-60Hz

YES (1)

≤1W

45g for 2ms


4kV

1000V

2000V

8kV

10V (RMS)*

10V/m*

IP64

0°F to +122°F



Noryl N190

Terminalhousing

IMPORTANTThis sensor has been tested to meet UL 491 Standardregarding safety devices.Before installing, refer to ANSI B11.1, B11.19 and OSHA1910.217.Should the switch be used in a two-hand controlapplication, each hand control shall be protected againstunintended operation and arranged by design, construc-tion, and/or separation so that the concurrent use of bothhands is required to trip the press. The control systemshall be designed to permit an adjustment which willrequire concurrent pressure from both hands during thedie closing portion of the stroke. The control system shallincorporate an antirepeat feature. The control systemsshall be designed to require release of all operator’s handcontrols before an interrupted stroke can be resumed.Should the switch be used in a two-hand trip application,a two-hand trip shall have the individual operator’s handcontrols protected against unintentional operation andhave the individual operator’s hand controls arrangedby design and construction and/or separation to requirethe use of both hands to trip the press and use a controlarrangement requiring concurrent operation of theindividual operator’s hand controls. Two-hand tripsystems on full revolution clutch machines shallincorporate an antirepeat feature.Rings or shrouds are commonly used to protectpalm-actuated buttons from unintentional actuation.Precautions in design or installation are needed toprevent actuation of two buttons by the use of onehand and the elbow of the same arm and to inhibit othercircumvention of the two-hand requirement.The device shall be located at a distance from the nearesthazard such that the operator cannot reach the hazardwith a hand or other body part before cessation of motionof the hazardous portion of the machine cycle. Descrip-tions of formulas for distances, between the switchesand from the nearest hazard, can be found in AmericanNational Standards Institute (ANSI) B11.1 and B11.19.Since each two-hand control or trip applicationis different, the user needs to make sure that allOccupational Safety and Health Administration (OSHA)and American National Standards Institute (ANSI)requirements are followed.This device shall be installed so that the distancebetween the terminal connections of the palm buttonswitch and a dead metal part (including the enclosure)is a minimum of 1/4".

AC

4

3

2

1

7

6

5

CAUTIONThe PB1-010-9 is insensitive tosplashing, liquid residue andmetal chips or shavings testedby Pepperl+Fuchs, Inc. Thereis a slight possibility thata mixture of liquids, as wellas liquids and metal chipsor shavings might affect itsoperation. P+F recommendsthat the user evaluate wetapplications prior to installation.

*If palm button face is not covered, its outputrelays will not be activated. If palm button faceis covered, the sensor defaults to a safe state(output relays are deactivated).

SURGE VOLTAGEIMMUNITY(IEC1000-4-5)

Wiring Diagrams




NOTE: A clearance of 0.63 is recommended between thetop of the palm button and the height of the U Channelguard.

NOTE: A clearance of 0.63 is recommended between the topof the palm button and the height of the U Channel guard.

To order palm button assembly withcover plate and gasket, specify

PB-A01-010-9

To order palm button only, specifyPB1-010-9


PB-A19-010-9


PB-A20-010-9

Key To Model Numbers for Assemblies

ø 2.362

ø 1.693ø 2.204

1.575

.787

3.465

0.080

LED indicatesenergized output relays

Screwterminals

.394

unless otherwise specified Dimensions (in.)

FS Box Components & AccessoriesPB-FSBG-1H ........ Palm button FS box (1 hub)PF-FSBGA ............ Gasket onlyPB-PFRG .............. Round ring guard (green)PB-CAP ................ Protective CapPB-CPG ................ Cover plate/gasketPF-FSBCG ............ Housing cover plate




■ Redundant outputrelays with captivecontacts ensure asafe output.

ANSI B11.1E4.10 Control Component Failure[control reliability] paragraph (5)

“(5) When designing systemsusing electromechanical relays,caution should be used in theselection and application of theserelays. Some relays may fail insuch a manner that the checkingcircuit will not detect the failure.”

ANSI B11.19E5.5 Control Reliability“Some electromechanical systemsutilize relays that have contactsthat can fail closed while the othercontacts on the same relay continueto function. Other relays havecontacts that can fail open whilethe other contacts on the samerelay continue to function. Becauseof this fact, only relay types thatprevent this occurrence fromhappening should be used.“Electromechanical systems thatrequire redundancy and checkingof relay contacts should use relaysthat are designed with mechanicallinkages to provide a positiverelation between normally open andnormally closed contacts to checkthe contact operation. Solid-statedevices do not have a mutuallyexclusive normally open-normallyclosed contact arrangement. Othermethods must be used to monitorthe performance of these devices.”

UL 491 42.Operation and Component Failure

“42.1 — ” Control circuit examina-tion or operational checks, or both,are to be conducted to determinefail safe operation of the machinecontrol under component failureconditions as noted in SupplementA and the following:

•••E. Relays with mechanicalmalfunction (blocked openor closed).

F. Relay coils under openconditions.

G. Relay contacts underpermanently weld-closedconditions."

OSHA is a governmental agencywhich develops standards that areincorporated into laws. OSHApossesses the power to inspectfacilities and enforce these laws.

Occupational Safety &Health Administration:OSHA

OSHA 1910.217“Mechanical Power Presses”

Pepperl+Fuchs capacitive palmbuttons are the firstpalm buttons to be recognizedunder UL491 “Standard for PowerOperated Machine Controls andSystems.” By following UL491,P+F palm buttons comply withthe following standards:

The palm button wasspecifically designed with theoperator’s health and safetyin mind. In order to meet thestandards, special featureshad to be incorporatedsuch as fault monitoring andredundancy. The applicablestandards are listed below:

American NationalStandards Institute:ANSI

ANSI B11.19“Safe-guarding when referencedby the other B11 Machine ToolSafety Standards — PerformanceCriteria for the Design, Construc-tion, Care and Operation.”

ANSI B11.1“Mechanical Power Presses —Safety Requirements forConstruction, Care and Use.”

ANSI is a non-profit organizationwhich has developed recommendedstandards for machine buildingsafety.

National Fire ProtectionAssociation: NFPA

NFPA 70National Electrical Code

NFPA 79The Standard forMetal Working Tools

The NFPA is a non-profit organizationwhich writes standards to protectagainst damages caused from thehazards of fire.

■ Self-checkingelectronics, with avisual indicator,constantly monitorthe Palm Button forproper operation.

UL 491, SA 4.3“In addition to the tests specifiedin paragraph SA 4.2 controlscontaining critical devices orcomponents, are to be subjectedto electrical supervision.”

OSHA 1910.217 (13)“. . . The failure shall be detectableby a simple test, or indicated bythe control system. . . .”

ANSI B11.1Control Component Failure(control reliability) (4) “Controlcomponent failure may utilize acombination of ‘cross-checking,’‘self-checking,’ and ‘redun-dancy.’ ”

Standards and Safety Information


ergonomic safety palm button - steven engineering · 2002. 9. 10. · optional fs box assembly is...

Documents