Rockwell Automation 1000 Safety Lockout System - Manual (Page 18)

Publication 1000-UM001B-US-P - July 2000
3-2 Operational Procedure
Pilz relay PU3Z 24VDV Pilz Voltage supervision and
contactor monitoring
safety relay No Monitors position of contactor
and voltage on load side of
contactor.
Safety relay SR 700-ZBL220Z24 Allen-Bradley 24V safety relay No Checks for cable integrity and
for operation of the SLS switch.
Safety relay 1SR Allen-Bradley 24V safety relay Yes Serves as E-stop, pilot relay, and
PLC interface.
1CR 700-CF220DJ Allen-Bradley 24V DC control relay Yes Keeps safe light out if the SR
safety relay faults.
Protective cover 100-SCCA Allen-Bradley Protective cover No Prevents manual operation.
Terminal blocks 1492-H1 Allen-Bradley Terminal blocks No Provides connections.
LED terminal
blocks 1492-HM2V24 Allen-Bradley LED terminal blocks No Provides indication of voltage
presence.
Harting connectors See Renewal Parts
List Harting Plug-in connectors Yes Provides quick connection and
indication of tampering if
sealed.
Table 3.A SLS Box (Continued)
Component Cat. No. Source Description Repairable Function
Table 3.B SLS Switch
Component Cat. No. Source Description Repairable Function
Enclosure 32267-132-51 Allen-Bradley NEMA Type 4 SS
enclosure Provides protection for SLS
components. Allows for tamper
indication if sealed.
Mounting plate 32267-133-01 Allen-Bradley Mounts components
Operating handle 194R-HS4 Allen-Bradley Lockable position
indicating operating
handle No Operates and provides for
lockout. Enclosure cannot be
opened when locked out.
Pilot light 800H-QR24W Allen-Bradley White 24V DC pilot light Yes Signals SAFE.
SLS switch 194E-A25-1753 Allen-Bradley 3-pole disconnect switch No Provides redundant signal
through safety relay.
SLS switch
auxiliary contact 194E-A-P11 Allen-Bradley Auxiliary contact No Provides SLS status to PLC.