(2) Typical module wiring example
1746-IB32 (sinking input):
The common terminal (DC Com 1-4) is connected to the negative terminal of 24V DC, the signal terminal (IN 0-31) is connected to the sensor output, and the+V DC 1-4 is connected to the positive terminal of 24V DC.
1746-OB32E (sourcing output with protection):
The common terminal (DC Com 1-2) is connected to the negative terminal of the load, the signal terminal (OUT 0-31) is connected to the positive terminal of the load, and the+V DC 1-2 is connected to the positive terminal of 24V DC. The E-Fuse LED corresponds to the fault channel.
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