7.4 Ground Connection
At the bottom side of the main board PCB you will find a connector (jumper) which has been placed from
factory side [left and middle pin connected], see Fig. 34. In this position the ground connections (GND power
supply/ outputs) are connected with the ground of the controller housing. To avoid ground loops and related
signal interferences in industrial environments it might be necessary to interrupt this connection.
To do so, please put the jumper in the other position [middle and right pin connected].
If the thermocouple output is used, the connection GND housing should generally be interrupted.
Fig. 34 Connector (jumper)
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