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The signal InA and InB of each High Speed Channel can be used as discrete digital input with these restrictions:
The GND_SEN must be connected to 0Vdc and the 24v_SEN must be connected to the 24VDC to polarize each channel.
The GND_SEN must be connected to 0Vdc and the 24v_SEN must be connected to the 24VDC to polarize each channel.