Bulletin 700S
Safety Control Relays
12
Overview
Safety Relay Output Block Diagram
13 14
KKK
X1 X2
21 22 21 22
1CR 2CR
2CR
1CR
A1
A1 A2
A2
Safety Relay Output
LOAD 1
13 14 13 14
LOAD 2
33 34 33 36
LOAD 3
43 44 43 44
LOAD 4
53 54 53 54
LOAD 5
63 64 63 64
LOAD 6
73 74 73 74
LOAD 7
83 84 83 84
OUTPUTS
SAFETY
1 CR
2 CR
Interlock
CR = Industrial Relay ( 700S-P, 700S-CF)
Note: 1 CR and 2 CR are Allen-Bradley 700S safety control
relays with mechanically-linked contacts.
This diagram illustrates how 2 700S safety control relays can be used to
expand Allen-Bradely Bulletin 440 safety relay outputs.
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