Rockwell Automation Allen-Bradley Guardmaster DI - Chapter 8; CI Safety Relay (Cat. No. 440 R-S13 R2); DI Safety Relay (Cat. No. 440 R-D22 R2); DIS Safety Relay (Cat. No. 440 R-D22 S2)

Rockwell Automation Publication 440R-UM013F-EN-P - July 2021 43
Chapter 8
Internal Circuit Block Diagrams
The figures in this chapter show the internal circuit block diagrams of each
safety relay.
CI Safety Relay
(Cat.No.440R-S13R2)
Figure 36 - CI Safety Relay Circuit Diagram
DI Safety Relay
(Cat.No.440R-D22R2)
Figure 37 - DI Safety Relay Circuit Diagram
DIS Safety Relay
(Cat.No.440R-D22S2)
Figure 38 - DIS Safety Relay Circuit Diagram
Reset
Reset
AND / OR
AND /
OR
PWR
IN1
IN2
LOGIC IN
OUT
Logic
AND / OR
AND /
OR