Operating Instructions 19 CP650, CP660, CP675
AUX Port
The AUX port is a communication port specially designed for industrial network communication. The AUX
port connector is a 9 pin D sub type. The functionality of the AUX port depends on the optional Communi-
cation Module which is plugged into the unit.
The pin assignment of the AUX port connector is described in the manual of the Communi-
cation Module.
Do not plug the Communication Module and the ETAD adapter when power is applied to the
operator panel.
1. Open the housing.
2. Insert the Communication Module pressing simultaneously on the four corners.
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