S2000 Elite - User's Guide
035-00707 Revision 1
62
7.1. Input/ Output Signals and Descriptions
All inputs and outputs from the PLC interface are opto-isolated. The digital outputs are
implemented using NPN logic and can be configurated as active low or active high. The digital
inputs are active low and activate on contact closure to ground. The equivalent circuit are
shown in the figures below.
PLC control signal specification:
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