Pepperl+Fuchs FieldConnex Segment Coupler 3 Manual page 22

PROFIBUS Power Hub Segment Coupler 3 (SK3)
Installation and Commissioning
3. Screw the cable lug to the ground connection clamp with 2 toothed lock washers inserted
between screw, lug, and clamp as illustrated:
Figure 3.2
1 Screw
2 Toothed lock washer
3 Cable lug
4 Ground connection clamp on motherboard
4. Tighten the screw with a torque of 1.5 Nm.
The cable lug is properly attached and cannot come loose.
Connect the "Shield/Screen GND" grounding terminal to an equipotential bonding system.
22
Connecting the ground connection cable
1
2
3
2
4