To correctly power 24 volt DC hardware devices from a Single io controller, it is necessary to wire the positive (+) from the power supply and the positive wire from the locking device together.
Next, break the negative (-) connection through either the NC (Normally Closed) or NO (Normally Open) relay, and C (Common). (Breaking the negative connection or leg means to run it through the relay and remove the jumpers from the buss for that relay.)
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