Relay wiring and relay activation mode - INDIGO520 - INDIGO500SERIES - INDIGO510

Indigo510, Indigo520 User Guide

Document code
M212287EN
Revision
M
Language
English (United States)
Product
INDIGO520
INDIGO500SERIES
INDIGO510
Document type
User guide
The physical relay opens and closes the circuit depending both on the relay wiring and the relay activation mode.
Table 1. Relay wiring: Normally open (NO)
Relay activation mode Measurement above/below limit Relay opened/closed
Relay active above limit Above = Relay active Closed
Below = Relay inactive Open
Relay active below limit Above = Relay inactive Open
Below = Relay active Closed
Table 2. Relay wiring: Normally closed (NC)
Relay activation mode Measurement above/below limit Relay opened/closed
Relay active above limit Above = Relay active Open
Below = Relay inactive Closed
Relay active below limit Above = Relay inactive Closed
Below = Relay active Open