13
Bulletin 700S
Safety Control Relays
Overview, Continued
Application Example: EN954-1 Category 3 Safety Circuit
This diagram shows how to increase the current rating or number of safety outputs on Allen-Bradely Bulletin 440 safety relay by
using 700S relays.
11
23
12
24
11
23
12
24
MOTION
BUS
L1 L2
L3
K1
K2
BULLETIN
700S
SAFETY COROL RELAY
K1
K2
N.C.
MECHANICALLY
LINKED
CONTACT
E-STOP
LATCHING
E-STOP BUTTON
START
MOMENTARY
PUSH
BUTTON
GUARD
CLOSED
STOP
IMP
INTERLOCK
SWITCH
IMP
INTERLOCK
SWITCH
STOP
MOMENTARY
PUSH
BUTTON
K1 (AUX)
K2 (AUX)
FUSES
A1 S13 S21
31 13 23 X1
A2 S14 S22
32 14 24 X2
BULLETIN
700S
SAFETY
CONTROL RELAY
AUXILIAR
Y CIRCUIT (ALARM OR INDICA
TION)
MINOTAUR
MSR9T
24VAC/DC, 110VAC, 230VAC
