Pay attention to pin 15 of the DB15 plug of encoder cable - it was described as „GND SHIELD” - it is special GND
to which you should connect encoder cable shield.
If a machine is equipped with a panel with connectors or you have to build extension of encoder cable, you
should lead shield of the cable through the pin and not through the metal housing.
If the shield is soldered to the metal housing of DB15 and it touches metal housing of a machine there will be
noises on encoder signal.
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