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Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

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2. HARDWARE B–<strong>62755EN</strong>/01 Connecting the signalground (SG) of thecontrol unitControl unitM3 or M4 terminalfor signal ground(SG)Printed circuitboardSGM3Ground cable:wire with a sectional areaof 2mm 2 or moreGround cableFrameground(FG)=Ground plate ofthe cabinetSystem groundConnect the 0 V line of the electronic circuit in the control unit with theground plate of the cabinet via the signal ground (SG) terminal.The SG terminal is located on the printed circuit board at the rear of thecontrol unit.128

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