IGT-30 Series
50
7.2
Wiring of Digital Input
When the dry contact mode switch of each digital input channel is “OFF”, this digital
input channel, alone with the DI_COM, accepts either sinking or sourcing digital
output signals. The following figure shows how to wire the digital output devices to
the digital input channels.
Sinking DO wiring
Sourcing DO wiring
When the dry contact mode switch of each digital input channel is “ON”, this digital
input channel, alone with the DRY_COM, accepts dry contact digital output signals.
The following figure shows how to wire the digital output devices to the digital input
channels.
Dry contact DO