Allen-Bradley Guardmaster - Ground the Relay

Rockwell Automation Publication 440R-UM013E-EN-P - March 2017 19
Power, Ground, and Wire Chapter 3
Table 1 lists the terminal functions. Many of the terminals perform common
functions on multiple relays.
Table 1 - Terminal Assignments and Functions
Ground the Relay
There are no special grounding requirements. Terminal A2 must be connected
to the common of a 24V supply.
Terminal Function Applies To
A1 +24V Supply (+10%, -15%) All
A2 24V Common All
S11 Pulse Test Output for Channel 1 CI, DI, DIS, and SI
S21 Pulse Test Output for Channel 2 CI, DI, DIS, and SI
S12 Safety Input for IN1 Channel 1 CI, DI, DIS, and SI
S22 Safety Input for IN1 Channel 2 CI, DI, DIS, and SI
S32 Safety Input for IN2 Channel 1 DI and DIS
S34 Reset Input CI, DI, DIS, and SI
S42 Safety Input for IN2 Channel 2 DI and DIS
Y32 Auxiliary Non-safety Output CI, DI, DIS, and SI
X32 Auxiliary Non-safety Output EM and EMD
B1 Jog Input EMD
B2 Retrigger Input EMD
L11 Single Wire Safety Output All
L12 Single Wire Safety Input DI, DIS, EM, and EMD
13/14, 23/24 Safety Outputs - electromechanical relay CI, DI, EM, and SI
33/34, 43/44 Safety Outputs - electromechanical relay EM
14, 24 Safety Outputs - OSSD DIS
34, 44 Safety Outputs - OSSD for capacitive loads DIS
17/18, 27/28, 37/38, 47/48 Safety Outputs, Delayed - electromechanical relay EMD