Allen-Bradley 1444-TSCX02-02RB User Manual page 57

Relay Output
There is one single pole double throw (SPDT) relay that is included in the
DYN module with the three contact connections being made available at the
terminals. A typical purpose for this module relay is to signal module status.
See Figure 84 on page
35 34 33
NC C NO
NC – Normally closed
C – Common
NO– Normally open
'Normal' is the relay contact state when unpowered.
Figure 13 - Wiring Relays
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Install the Dynamix 1444 Series Monitoring System
209.
Chapter 2
57