User Manual

Publication 1000-UM001B-US-P - July 2000
3-2 Op erational Procedu re
Pilz relay PU3Z 24VDV Pilz Voltage supervision and
c on tactor mo nito ring
safety rel ay
No Monitors positi on of contactor
and voltage on load side of
contactor.
Saf ety relay SR 700-ZBL2 20Z24 Allen-Bradley 24V sa fety re lay No Che cks for cab le integrity and
for operatio n of the SL S 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 Ye s Keeps safe light out if the SR
safety relay faults.
Protective cover 100-SCCA Allen-Bra dley Prot ectiv e cover No Prevents manu al op er at ion.
Termi nal blocks 1492-H1 Allen-Bradley Termi nal blocks No Provides c onnections.
LED termina l
blocks
1492-HM2V24 Allen-Bradley LED terminal blocks No Provides indication of voltage
presence.
Hart ing connec tors See Renew al Parts
List
Harting Plug-in connectors Yes Provides quick connection and
indi cation of tampering if
sealed.
Table 3.A SLS Box (Continue d)
Component Cat. No. Source Descripti on Repairable Function
Table 3.B SLS Switch
Component Cat. No. Source Descripti on Repairable Function
Enclosure 32267-132-51 Allen-Bradley NEMA T ype 4 SS
enclosure
Provi d es prot ecti o n for SL S
components. Allows for tamper
indication if sealed.
Mountin g pla te 32267-133-01 Alle n-Bradley Mounts com ponen ts
Op er ating ha nd l e 194 R -HS 4 Al l en -Br ad ley Loc kabl e posi tion
i nd i cating op er ating
handle
No Operates and provides for
lockout. Enclosure cannot be
opened when lock ed out.
Pilo t light 800H-QR24W Allen - Bradle y Wh ite 24V DC pilo t light Yes Signals SAFE.
SLS sw itch 194E-A25-1753 Allen-Bradley 3-po le disconnect switch No Provides redundant signal
through s afety relay.
SLS switch
auxi liary contact
194E-A-P 11 Allen-Bradley Auxi li ary contact No Prov ides SLS sta tus to P LC.