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DG Safety Relay Input Wiring
Multiple Power Supplies
When separate power supplies are used for the DG safety relay and the
GuardLink circuit, the protective earth connections must be at the same point.
Figure 29
shows an example wiring diagram (catalog number
1606-XLE240EN is not Class 2 compliant; catalog number 1606-XLP-95E is
Class 2 compliant).
Figure 29 - Multiple Power Supplies — Ground PE at Same Point
S12 S22 S32 S42
A1 A2 S11 S21
PWR/Fault
+ +
OUT
IN 1
DC ok
IN 2
OUT X
24-
IN X
Reset
28V
FB
Config/Set
1606-XLE240EN
DG
Reset
Sel./Save
Time
N
L
X1 X2 X3 X4
13 14 23 24
This section describes DG safety relay input wiring.
GuardLink Connections
Up to two GuardLink circuits can be connected to the DG safety relay. The
GuardLink safety signal must be connected to either S12 or S32 and the
GuardLink CLU signal must be connected to either S22 or S42.
shows the connections for the GuardLink circuits; the wire colors apply when
the recommended cordsets are used.
Figure 30 - GuardLink Connections
+24V DC
A1
S12
Safety
A2
24V Com
Rockwell Automation Publication 440R-UM015C-EN-P - April 2018
+ +
DC ok
24-
28V
1606-XLP95E
N
L
Multiple power supplies must have one point common connection
INPUT
S32
S22
Safety
CLU
Input 1
DG Safety Relay
Power, Ground, and Wire
Chapter 4
INPUT
Figure 30
INPUT
S42
CLU
Input 2
43
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