Rockwell Automation Allen-Bradley 440R-S13R2 User Manual

50 Rockwell Automation Publication 440R-UM013G-EN-P - December 2022
Chapter 9 Application and Wiring Examples
SI Safety Relay
(Cat.No.440R-S12R2)
The SI safety relay monitors a gate interlock with mechanical contacts in Figure 53. The SI
safety relay is configured for automatic reset. When the gate is closed, the SI safety relay
outputs turn on if contactors K1 and K2 are already off. Press the Start button to turn on
contactors K1 and K2.
Figure 53 - SI Safety Relay Example
K1
24V DC
24V Com
K2
K1 K2
S11
S12
S21
S22
S34A1 13
L11 A2 14
23
24Y32
SI
440R-S12R2
0
MM
AM
RESET
Start
To PLC
Stop

Rockwell Automation Allen-Bradley 440R-S13R2 Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley 440R-S13R2
Category	Relays
Language	English