optris CTlaser LT - Ground Connection; 1 M, 2 M, 3 M Models

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4.4 Ground connection
4.4.1 05M, 1M, 2M, 3M models
At the bottom side of the mainboard PCB you will find a connector
(jumper) which has been placed from factory side as shown in the
picture [bottom and middle pin connected]. In this position the
ground connections (GND power supply/ outputs) are connected with
the ground of the electronics housing.
To avoid ground loops and related signal interferences in industrial
environments it might be necessary to interrupt this connection. To
do this put the jumper in the opposite position [middle and top pin
connected].
If the thermocouple output is used the connection GND – housing
should be interrupted generally.
Figure 18: Ground connection
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