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Safety Application Example

PowerFlex 70 Safe-Off Control
EtherNet/IP Guard I/O Safety Module and
GuardLogix Integrated Safety Controller

Safety Rating: Category 3 (also see

Achieving a Cat. 4

Safety Rating

) according to EN954-1

Introduction...........................................................................................2

Important User Information..................................................................2

General Safety Information..................................................................3

Description............................................................................................4

Setup and Wiring ..................................................................................5

Configure...............................................................................................8

Programming ......................................................................................13

Performance Data ...............................................................................17

Achieving a Cat. 4 Safety Rating.......................................................19

Additional Resources.........................................................................22

Содержание GuardLogix

Страница 1: ...Safety Controller Safety Rating Category 3 also see Achieving a Cat 4 Safety Rating according to EN954 1 Introduction 2 Important User Information 2 General Safety Information 3 Description 4 Setup a...

Страница 2: ...owerFlex DriveGuard drives to replace external power contactors A drive with safe off capabilities can offer increased productivity through reduced downtime Important User Information Solid state equi...

Страница 3: ...p you identify a hazard avoid a hazard and recognize the consequence Labels may be on or inside the equipment for example a drive or motor to alert people that dangerous voltage may be present Labels...

Страница 4: ...ithin programming logic are satisfied the safety outputs of the EtherNet IP Guard I O safety module can be enabled These safety outputs are used to control the Safe Off and Drive Enable inputs on the...

Страница 5: ...ling and wiring refer to the product manuals listed in the Additional Resources System Overview Wiring This diagram shows the appropriate wiring EtherNet IP Guard I O GuardLogix Controller PowerFlex 7...

Страница 6: ...d for Drive Enable This input must be controlled by the Guard I O Safety module The Drive Enable digital input on the PowerFlex 70 drive is a solid state circuit For this reason the safety outputs on...

Страница 7: ...Fault Immediate Reaction Immediate Detection P HI Short HI Undetectable M HI HI P HI LO M HI Short LO Yes Short to 0V Channel Start Fault Immediate Reaction Immediate Detection P HI Short LO Yes M HI...

Страница 8: ...g methods Adjust the three switches on the front of the module Use a Dynamic Host Configuration Protocol DHCP server such as Rockwell Automation BootP DHCP Server Utility Retrieve the IP address from...

Страница 9: ...by the MAC address listed on the EtherNet IP Guard I O safety module The MAC address is displayed in the BootP DHCP Server Utility as shown 2 Select the entry with the MAC address that corresponds wit...

Страница 10: ...1791ES IB8XOBV4 module is added to the I O Configuration under the 1756 ENBT EtherNet IP bridge module as shown Set the Module Properties The 1791ES IB8XOBV4 module is configured as follows 1 On the...

Страница 11: ...ngle status bit The same is true for Output Data For status bits for individual input output test points choose an alternative Input Output Status data format 4 Make edits on the Connection and Safety...

Страница 12: ...e are configured as Safety Pulse Test and utilize Test Sources 0 and 1 respectively 4 Select Inputs 2 and 3 for the Interlock Switch These are configured as Safety Pulse Test and utilize Test Sources...

Страница 13: ...tion Rockwell Automation recommends that the safety outputs are configured as Safety Programming This section details how to program your GuardLogix project based on the wiring and configuration detai...

Страница 14: ...E stop instruction provides SIL 3 level diagnostics for a dual channel emergency stop function The E stop monitors input channels for consistency and detects and traps faults inconsistency greater tha...

Страница 15: ...m restarting if the E stops reset automatically The InputOK status is used as one of the permissives in the safety output routines Gate Switch Safety Logic The RIN instruction provides SIL 3 level dia...

Страница 16: ...ed to reset or enable the safety zone output The operator action is a HI transition of Cmd_Zone1_SafetyReset It latches the output enable until either a demand is placed on a safety input there is an...

Страница 17: ...to the PowerFlex 70 Safe Off relay and Drive Enable digital input Reassignment of the feedback and output channels must be made to match your unique safety wiring configuration Performance Data Worst...

Страница 18: ...B Input Connection Reaction Time Limit CTRL The Connection Reaction Time Limit is configured in the 1791ES Module Properties within RSLogix 5000 software The Input Connection defaults to 4 x RPI C Gu...

Страница 19: ...on Reaction Time Input RPI C GuardLogix Delay The typical delay time for the GuardLogix controller is Period 2 Task Scan Time D Output Connection Reaction Time Output RPI Task Period E Output Module D...

Страница 20: ...tin 100S Safety Contactor 1 Choose a safety contactor that is rated for your application requirements Modified Wiring Schematic This wiring diagram using a safety contactor illustrates turning off pow...

Страница 21: ...onfiguration The safety Output Configuration for the Guard I O module can now be configured for Safety Pulse Test With Safety Pulse Test configured shorts of the P terminal to 24V and shorts of the M...

Страница 22: ...y Application Instruction Set for the GuardLogix Controller GuardLogix Controller Systems Publication 1756 RM03 Explains how the GuardLogix controller can be used in safety applications DriveGuard Saf...

Страница 23: ...23 Publication SAFETY AT017B EN P July 2011 Notes...

Страница 24: ...l Automation are trademarks of Rockwell Automation Inc Trademarks not belonging to Rockwell Automation are property of their respective companies Publication SAFETY AT017B EN P July 2011 Supersedes pu...

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