Two Hand Control Safety Function
Contents
1. When configured correctly this Door Monitoring and Locking safety function can achieve a safety rating of PLe Cat 4 according to EN ISO 13849 1 2008 The individual subsystem values are shown below Safety function W IFA Documentation PLr PL Suibeysterne coFecws DcewgIx MITFd s Catepow Recuromertsofthe categon Oey hm PH Pe POINT Guard LO 1724 IB ES E 1 34E 10 JAM TEREN AY Aer Haba d uled _ Hew i SE POINT Duard O 17308695 E 1 S8E 10 Hey ey vt ea e ier ete 4 hulle w amp B Salep PLC CompectGuadloga e 2 1E 10 JAM Fein yr aa PN pedea 4 tuled 2 Edt w SB Cortados 1005 e 2476 8 E5lhed 39 IHigh 100 Hight 4 tuled c w amp B S002 Seo Force Buttons e 3 3cE B 65 falle 39 Hick 76 High 4 ulled Delete The overall safety function value is shown below Safety function IFA Documentation FL l Subsystems Delemnine FL from subsystems Perlonances Level PL e FFH Hh asta The Two Hand Run Station safety function can be modeled as shown in the following safety related block diagram p F1 F1 E I I a a T T l I 1005 I p 1734 1885 f yf 1768 1435 J yy 173a O885 ME M l l li 1 I I FI FI l li ll li Subsystem 1 Subsystem 2 Subsystem 3 Subsystem 4 Subsystems NHP Safety Reference Guide gt Safety Function Documents GSR 6A 118 Safety Function Documents GuardLo2. GSR 6A 116 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Programming The Two Hand Run Station THRSe instruction monitors dual channel buttons and turns on its output when the buttons are pressed within the discrepancy time one 1 second in this example The THRSe has an Enable input that must be HI for the output to turn on In this example it represents a machine is ready to cycle tag that is a summation of safety interlocks and standard machine run code This programming is outside the scope of this document Input Status typically represents the channel status of the four 4 input channels In this example the Combined Input Status bit goes LO if any of the 8 input channels on the 1734 IB8S has a fault The output O1 of the THRSe is used to energize the outputs enabled tag that drives the Actuate input of the CROUT Outputs Enabled will de energize if the machine cycle completes or the operator removes their hands from the buttons THS Machine Syce Corpiele salety contactarz FP 1 o i Safely conbactors 01 9 sedeby_ contactorz x The Configurable Redundant Output CROUT instruction controls and monitors redundant outputs Essentially this instruction verifies that feedback follows the safety outputs appropriately For the negative fe
3. POINT Guard Safety Output Module 1783 USO5T Stratix 2000 Unmanaged Ethernet Switch 1768 PA3 Power Supply 120 240 VAC Input 3 5 A 24V DC NHP Safety Reference Guide gt Safety Function Documents GSR 6A 110 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Setup and Wiring For detailed information on installing and wiring refer to the product manuals listed on the Additional Resources page System Overview The 1734 IB8S input module monitors the N C and N O contacts of both 800Z zero force buttons Because the zero force buttons uses one N O and one N C contact all wiring faults will either be detected either before or at the next demand so there is no reason to perform pulse testing on the channels If the inputs remain discrepant for longer than the discrepancy time then the function blocks in the controller safety task will declare a fault Only after the fault is cleared and the gate is cycled will the function block reset Note that in this case complimentary is the normal state of the contacts so if equivalent for longer than the discrepancy time a fault is declared The final control device in this case is a pair of 100S safety contactors K1 and K2 The contactors are controlled by a 1734 OBS safety output module The contactors are wired in a redundant series configurati
4. 13849 2 sets the requirements for verification and validation It calls for a documented plan to confirm all the Safety Functional Requirements have been met Verification is an analysis of the resulting safety control system The Performance Level PL of the safety control system is calculated to confirm it meets the Required Performance Level PLr specified The SISTEMA software tool is typically utilized to perform the calculations and assist with satisfying the requirements of ISO 13849 1 Validation is a functional test of the safety control system to demonstrate that it meets the specified requirements of the safety function The safety control system is tested to confirm all of the safety related outputs respond appropriately to their corresponding safety related inputs The functional test should include normal operating conditions in addition to potential fault inject of failure modes A checklist is typically used to document the validation of the safety control system Validation of software development is a process in which similar methodologies and techniques that are used in hardware develop are deployed Faults created through poor software development process and procedure are systemic in nature rather than faults associated with hardware which are considered as random Prior to validating the GuardLogix Safety System it is necessary to confirm the safety system and safety application program have been designed in accordan
5. ENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Altentions help you identify a hazard avoid a hazard and recognize the consequence SHOCK HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that dangerous voltage may be present BURN HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that surfaces may reach dangerous temperatures General Safety Information Contact NHP to find out more about our safety risk assessment services IMPORTANT This application example is for advanced users and assumes that you are trained and experienced in safety system requirements ATTENTION A risk assessment should be performed to make sure all task and hazard combinations have been identified and addressed The risk assessment may require additional circuitry to reduce the risk to a tolerable level Safety circuits must take into consideration safety distance calculations which are not part of the scope of this document NHP Safety Reference Guide gt Safety Function Documents GSR 6A 109 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Functional Safety Description In this example if the machine is waiting to cycle the op
6. GuardLogix SAFETY FUNCTION DOCUMENTS Two Hand Control Lid 9 Lit VW Lit m a Lit LL LL cc gt Lit LL lt L C QW L Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 LETS SE E GCe T C4 ae Introduction ee SIZ Important User Information 673 Safety Function Realization 674 General Safety Information 9675 Setup and Wiring 0 E Configuration nnn OAD LL Programming ne S83 LL CalculationofPFHd BA Verification and Validation Plan 8 6 86 Additional Resources 6 89 AB Authorised wu Distributor NHP Safety Reference Guide gt Safety Function Documents GSR 6A 106 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Introduction This Safety Function application note explains how to wire configure and program a Compact GuardLogix controller and POINT Guard I O module to monitor a two hand run station Only when the operator places their hands on the buttons signifying the operator location can the GuardLogix controller energize the final control device in this case a redundant pair of 1005 contactors This example uses a Compact Gua
7. Modules 4 Name the module type its IP address and click OK We used 192 168 1 8 for this application example Follow these steps Yours may be different 1 In RSLogix 5000 software create a new project fea i omiralle FF Cjan tee Fort 5 Add the 1734 AENT adapter by right clicking the 1768 ENBT module in the Controller Organizer and choosing New Module 2 In the Controller Organizer add the 1768 ENBT module to the El amp 1 Lo Configuration 1768 Bus B m 1768 Bus G Trends 5 E fj 1 1763 ENBT A ENBT E 1 0 Configuration zi folk 0 u New Module zii 1769 Bu fy 1769 amp 8 0 i Paste CH ai 0 3 Select the 1768 ENBT module and click OK Ebene capt prm ePi Toce Fir Mee Le ETE ARMES ry ied _ Mind 1720 cerca dee dort Tested Fer Meche Des uan Ti rida Pber iz I 250 ibo Eme ret Bocce T m os I Me ITSE 12 50 Men Dhene Bray Dep Tain TM m Vias Eja nat aht FAR y Sata daa LARE 15 050 Magn Dhene brdo Tamed er hada 53 Erari Comerarcabe Hir LAS BE Caua Ai aer men Er a TE NHP Safety Reference Guide gt Safety Function Documents GSR 6A 113 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Configure the Controller and Add I O Modules 10 In the Controlle
8. ce with the GuardLogix System Safety Reference Manual 1756 RM093 and the GuardLogix Application Instruction Safety Reference Manual 1756 RM095 NHP Safety Reference Guide gt Safety Function Documents GSR 6A 120 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 GuardLogix two hand control station Safety function verification and validation checklist GENERAL MACHINERY INFORMATION Machine Name Model Number Machine Serial Number Customer Name Test Date Tester Name s Schematic Drawing Number Controller Name Safety Signature ID Safety Network Number s RSLogix5000 Software Version Firmware Version Safety Control System Modules GuardLogix Modules GuardLogix Safety Controller 1768 L435 CompactLogix Ethernet Bridge POINT 1 0 Ethernet Adapter POINT 1 0 Input Modules POINT 1 0 Output Modules 1768 ENBT 1734 AENT 1734 IB85 1734 0B85 GuardLogix Safety System Configuration and Wiring Verification 1 Verify the safety system has been designed in accordance with the GuardLogix System Safety Reference Manual 1756 RM093 Verify the safety application program has been designed in accordance with the GuardLogix Application Instruction Safety Reference Manual 1756 RM095 3 Visually inspect the safety system network and 1 0 is wired as documented in the schematics DEM 4 Visually inspect th
9. e RSLogix 5000 program to verify that the safety system network and 1 0 module configuration is configured as documented Visually inspect the RSLogix 5000 application program to verify suitable safety certified instructions are utilized The logic is readable understandable and testable with the aid of clear comments 6 All input devices are qualified by cycling their respective actuators Monitor the status in the RSLogix 5000 Controller Tags window All output devices are qualified by cycling their respective actuators Monitor the status in the RSLogix 5000 Controller Tags window Normal Operation Verification The GuardLogix safety system properly responds to all normal Start Stop Estop Lock and Reset Commands Initiate a Start Command by simultaneously pressing both palm buttons Both contactors should energize for a normal machine run condition Verify proper machine status indication and safety relay LED indication l Initiate a Stop Command by simultaneously releasing both palm buttons Both contactors should de energize for a normal machine Stop condition Verify proper machine status indication and safety relay LED indication While Stopped only press the left palm button The door should remain closed and locked Both contactors should remain 3 de energized and open for a normal safe condition Verify proper machine status indication and RSLogix 5000 safety application program indication Repeat for right palm button Initia
10. edback used in this example if the outputs are HI the feedback should be LO and vice versa In this example the feedback has 500ms to change to the proper state Since only a single feedback circuit is being used the feedback tag is used for both Feedback 1 and 2 The two 2 output tags from the CROUT instruction are used to drive the contactor outputs on the 1734 OB8S module THREES Twun Hard Run Seton Enhanced THESE THAS Digciapancy Tite reac 100 Erak bacina Readr Jo cycla 1 Dic nnacted dsconiniecled Rig Button Harma Open AENT futs Right Button Marmaly Closed cepa Lett Button Hormel Open amp ENTA I ER Let Gron Hormel Cipeer AENT 1 Pom input Stains A E eas l 1 Reset AEMT 1 1 Fr Ste 0 ii Ensbled GROUT conrigurabla Fedundent Gun pit CROUT safely contacbarz Feedback Type MEGATIVE Feedback Feactlan Time Hsec zl Achat Jups Erealed Feedheck 1 SENT Pel Date 1 Feedback 2 SENT 4 1 Pel Date i Input Status BENT 1 1 Camanecih put Sislus 14 pt Status ABUTS Combined Gui put Heus 1 Reset AEnT 1 l Po Seta ne AEPT zo piae 3 po a SENT 22 PADH Cala X End xl NHP Safety Reference Guide gt Safety Function Documents GSR 6A 117 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Calculation of performance level
11. erator must place both hands on individual palm buttons to energize a pair of redundant safety contactors enabling machine motion The palm buttons are each wired to a pair of safety inputs on a Safety Input module SI1 The safety contactors K1 amp K2 are connected to a pair of safety outputs of a Safety Output module SO1 The I O module is connected via CIP Safety over an EtherNet IP network to the Safety Controller SC1 The safety code in SC1 monitors the status of the palm buttons using the pre certified safety instruction Two Hand Run Station THRSe When all safety input interlocks are satisfied no faults are detected the machine is prepared to cycle and the palm buttons are pressed a certified function block called Configurable Redundant Output CROUT controls and monitors feedback for a pair of 100S redundant contactors Bill of Material Catalog Number Description Quantity 8007 GL2065 800Z Zero Force Touch Button with no guard 800F Reset Push Button Metal Guarded Blue R 800FM G611MX10 Metal Latch Mount 1 N O Contact S Standard 1005 C097 23C Bulletin 100S C Safety Contactors 1768 ENBT CompactLogix EtherNet IP Bridge Module Compact GuardLogix Processor 1768 1435 2 0 MB standard memory 0 5 MB safety memory 1769 ECR Right End Cap Terminator 1734 AENT 24V DC Ethernet Adapter 1734 TB Module Base with Removable IEC Screw Terminals 1734 IB8S POINT Guard Safety Input Module 1734 0B85
12. fault Repeat for Channel 2 While Running short Channel 1 of the Safety 1 0 to OVDC Both contactors should de energize 4 Verify proper machine status indication and RSLogix 5000 safety application program indication Verify unable to reset and restart with fault Repeat for Channel 2 While Running short Channels 1 amp 2 Safety 1 0 Both contactors should de energize Verify proper machine status indication and RSLogix 5000 safety application program indication Verify unable to reset and restart with fault GuardLogix Controller and Network Tests While Running remove the Ethernet network connection between the Safety 1 0 and the controller 1 All contactors should de energize Verify proper machine status indication and 1 0 Connection Status in the RSLogix 5000 safety application program Restore the Safety 1 0 module network connection and allow time to reestablish communication 2 Verify the Connection Status Bit in the RSLogix 5000 safety application program Repeat for all Safety 1 0 connections While Running switch the controller out of Run Mode All contactors should de energize Return key switch back to Run Mode 3 all contactors should remain de energized Verify proper machine status indication and RSLogix 5000 safety application program indication Safety Contactor Output Tests Initiate a Start Command Both contactors should energize for a normal machine run condition Verify proper machine status indication a
13. gix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Calculation of performance level As the Zero Force Touch Buttons are not electromechanical the MTTFd is not based on cycles but time The MTTFd is 76 years Contactor calculations are based on 1 operation of the Run Station per minute therefore 525 600 operations of contactors per year The measures against Common Cause Failure CCF are quantified using the scoring process outlined in Annex F of ISO 13849 1 For the purposes of the PL calculation the required score of 65 needed to fulfill the CCF requirement is considered to be met The complete CCF scoring process must be done when implementing this example 800Z Zero Force Buttons FS Hig DCavg 2 33 High 5 ufiled SE POINT Guard l D 17240B05 22 FFH ln 13410 Cat 4 TTFd a ccce P JETER Ac cera LU High SS H ich E5 Fur ile NHP Safety Reference Guide gt Safety Function Documents GSR 6A 119 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Verification and Validation Plan Verification and Validation play an important role in the avoidance of faults throughout the safety system design and development process ISO EN
14. h is available on application NHP Safety Reference Guide gt Safety Function Documents GSR 6A 124
15. hazardous motion Continuous actuation of two pushbuttons is required to enable power to the motor Upon releasing either of the two pushbuttons power to the motor will be removed Faults at the two hand pushbuttons wiring terminals or safety controller will be detected before the next safety demand The safe distance location of the two hand control station must be established such that the hazardous motion must be stopped before the operator can reach the hazard The safety function in this example is capable of connecting and interrupting power to motors rated up to 9A 600VAC The safety function will meet the requirements for Category 3 Performance Level d Cat 3 PLd per ISO 13849 1 and SIL3 per IEC 62061 and control reliable operation per ANSI B11 19 NHP Safety Reference Guide gt Safety Function Documents GSR 6A 108 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Throughout this manual when necessary we use notes to make you aware of safety considerations IMPORTANT AN WARNING Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic lass Identifies information that is critical for successful application and understanding of the product ATT
16. ies AENT 1 1734 IB8S 1 1 General Connection Safety Module Info Input Configuration Test Output lol x La Power Suppiy xl 2 Puserest E 3 Click Input Configuration and configure the module as shown Inputs 0 1 are the TLS3 GD2 door monitoring contacts Recall that inputs 0 1 are being sourced from test outputs 0 1 Inputs 2 3 are the lock monitoring contacts They are also being sourced from test outputs 0 1 Inputs 4 5 are the reset buttons Input 7 is the contactor monitoring circuit Recall that input 7 is being sourced from Test Output 2 Note that there really is no difference when an input channel is configured for safety or standard It is used more for documentation B Module Properties AENT 1 1734 IB35 1 1 Geneial Cormecion Safely Modula Info Input Cantiguration Test Cutout Satriy Hot eed Setety Trout Era Latch Time 10002 ms Sialus Diiire 4 Click OK 5 In the Controller Organizer right click the 1734 OB8S module and choose Properties 6 Click Output Configuration and configure the module as shown The electro mechanical coil on the contactor outputs 0 1 can be pulse tested without reacting to the brief LO pulse I Module Properties AENT 2 1734 0885 LL General Connection Safely Mode linio Output Configuration Output Erio Laich T me 1000 ES mis Salus Dine 7 Click OK NHP Safety Reference Guide gt Safety Function Documents
17. le Definition dialog box opens change the Status Readback Power for Input Status definition Output Data to None and verify the Input Status is Combined Status Power xj and click OK Setting the output data to None means that you cannot use the Test Outputs as standard outputs and we are not doing that in this example Note this saves one 1 controller connection because we are only using the input connection Module Definition xj Flevition E A 14 Elerirorac Keng Compatitle inch ConfigueedEy Ties Controller eal Data Salety E input Status Combined Status Power i 14 Close the Module Properties dialog box by clicking OK NHP Safety Reference Guide gt Safety Function Documents GSR 6A 115 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Configure the I O Modules Follow these steps to configure the POINT Guard I O modules 1 In the Controller Organizer right click the 1734 IB8S module and choose Properties 2 Click Test Output and configure the module as shown TO and T1 are being used to source 24V DC for the 800Z buttons Note that the 24Vdc could be sourced directly from a power supply Sourcing from TO and T1 is not required for functional safety T2 is being used to pulse test the contactor feedback circuit Module Propert
18. nd RSLogix 5000 safety application program indication While Running remove the contactor feedback from the Safety 1 0 All contactors should remain energized Initiate a Stop m 2 command and attempt a Reset command The system should not Restart or Reset Verify proper machine status indication and RSLogix 5000 safety application program indication While Running short the contactor feedback to the Safety 1 0 All contactors should remain energized Initiate a Stop command 3 and attempt a Reset command The system should not Restart or Reset Verify proper machine status indication and RSLogix 5000 safety application program indication NHP Safety Reference Guide gt Safety Function Documents GSR 6A 122 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Additional Resources For more information about the products used in this example refer to these resources Resource Compact GuardLogix Controllers User Manual Publication 1768 UM002 POINT Guard 1 0 Safety Modules Installation and User Manual Publication 1734 UM013 GuardLogix Controller Systems Safety Reference Manual Publication 1756 RM093 GuardLogix Safety Application Instruction Set Reference Manual Publication 1756 RM095 Safety Accelerator Toolkit for GuardLogix Systems Quick Start Guide Publication IASIMP QSO05 Desc
19. nt liability is assumed by NHP with respect to use of information circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of NHP is prohibited NHP Safety Reference Guide gt Safety Function Documents GSR 6A 107 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Safety Function Realization Risk Assessment The required performance level is the result of a risk assessment and refers to the amount of the risk reduction to be carried out by the safety related parts of the control system Part of the risk reduction process is to determine the safety functions of the machine For the purposes of this document the assumed required performance level is Category 3 PLd From Risk Assessment ISO 12100 Ea Identification of safety functions Specification of characteristics of each safety function Determination of required PL PLr for each safety function To Realization and PL Evaluation Two Hand Control Safety Function The safety function is the removal of power from the hazard when the safety system detects that the operator does not have both hands on the palm buttons Safety Function Requirements Functional Safety is obtained by use of a controlled location of an operator s hands during
20. on A feedback circuit is wired thru the N O contacts and back to an input on the 1734 IB8S to monitor the contactors for proper operation The contactors cannot restart if the feedback circuit is not in the correct state The system has a reset button for resetting faults Note that the reset button and the contactor feedback circuit are both wired to the 1734 IB8S module in this example This is not required for functional safety These inputs could be wired to a standard input module NHP Safety Reference Guide gt Safety Function Documents GSR 6A 111 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Electrical Schematic 24de Configuration The Compact GuardLogix controller is configured by using RSLogix 5000 version 17 or later You must create a new project and add the I O modules Then configure the I O modules for the correct input and output types A detailed description of each step is beyond the scope of this document Knowledge of the RSLogix programming environment is assumed NHP Safety Reference Guide gt Safety Function Documents GSR 6A 112 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Configure the Controller and Add I O
21. r Organizer right click the 1734 AENT cont adapter and choose New Module 7 Name the module type its IP address and click OK We used ES Tends 192 168 1 11 for this application example Yours may be different 8 Click Change RE enm dote ite itn Pos Pragae Cw tan EB fo vx a TURAL TR Fn chap Tei bd eg iver cs L bem Bday IBI rc 68 455 cxx Pan ian leonem cile Debes ppp mma t nora E rl 9 Set the Chassis Size as 3 for the 1734 AENT adapter and click OK Chassis size is the number of modules that will be inserted in the chassis The 1734 AENT adapter is considered to be in slot 0 so for one input and one output module the chassis size is 3 x m p x a 12 In the New Module dialog box name the device IB8S and Pmi piha i click Change Electric Karning Compatzie Module zj imt ornnes o Moa te gi Conse Tien Duda Tem Faas dioe DI DC inl mr Epy grei E sj 4720 2003 See FH arip Fi mbar NHP Safety Reference Guide gt Safety Function Documents GSR 6A 114 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Configure the Controller and Add I O Modules 15 Repeat steps 10 14 to add the 1734 OB8S safety output cont module Name the module OB8S Note this module will be in slot 2 and select Combined 13 When the Modu
22. rdLogix controller but is applicable to any GuardLogix controller This example uses 800Z Zero Force Touch buttons but is applicable to buttons with one 1 N C dry contact and one 1 N O dry contact The Sistema calculations shown later in this document would have to be re calculated using the actual products Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Safety Guidelines for the Application Installation and Maintenance of Solid State Controls publication SGI 1 1 available from your local Rockwell Automation sales office or online at http www rockwellautomation com literature describes some important differences between solid state equipment and hard wired electromechanical devices Because of this difference and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will NHP be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation NHP cannot assume responsibility or liability for actual use based on the examples and diagrams No pate
23. ription Provides information on configuring operating and maintaining Compact GuardLogix controllers Provides information on installing configuring and operating POINT Guard 1 0 Modules Contains detailed requirements for achieving and maintaining safety ratings with the GuardLogix controller system Provides detailed information on the GuardLogix Safety Application Instruction Set Provides a step by step guide to using the design programming and diagnostic tools in the Safety Accelerator Toolkit NHP Safety Reference Guide gt Safety Function Documents GSR 6A 123 Safety Function Document Disclaimer The information contained in this and any related publications is intended as a guide only Every care has been taken to ensure that the information given is accurate at time of publication Neither NHP nor any of the manufacturers portrayed in this and any related publications accept responsibility for any errors or omissions contained therein nor any misapplications resulting from such errors or omissions Risk assessments should be conducted by authorized persons The purchaser and installer are responsible for ensuring the safety system s incorporating these products complies with all current regulations and applicable standards Products are subject to change without notice and may differ from any illustration s provided All products offered for sale are subject to NHP standard Conditions of Sale a copy of whic
24. te Reset Command Both contactors should remain de energized Verify proper machine status indication and RSLogix 5000 safety application program indication NHP Safety Reference Guide gt Safety Function Documents GSR 6A 121 Safety Function Documents GuardLogix Two Hand Control Products 800Z Zero Force Buttons GuardLogix PointGuard Safety I O Safety Rating PLe Cat 4 to EN ISO 13849 1 2008 Abnormal Operation Verification The GuardLogix safety system properly responds to all foreseeable faults with corresponding diagnostics Two Hand Run Station Tests Test Step Validation Pass Fail Changes Modifications While Stopped press the left palm button followed by the right 1 sec later Both contactors should remain de energized and 1 open Verify proper machine status indication and RSLogix 5000 safety application program indication Verify unable to reset and restart with fault Repeat for sequence starting with the right palm button While Running remove the Channel 1 wire from the Safety 1 0 Both contactors should de energize Verify proper machine status 2 indication and RSLogix 5000 safety application program indication Verify unable to reset and restart with fault Repeat for Channel 2 While Running short Channel 1 of the Safety 1 0 to 24VDC Both contactors should de energize 3 Verify proper machine status indication and RSLogix 5000 safety application program indication Verify unable to reset and restart with
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