3
Device
4
Voltage supply
5
Grounding point 3
6
Insulated mounting
7
Grounding point 2
8
Ground potential difference
9
Grounding point 1
ß
Metal housing
à
Shielded electrical cable
Even in the event of large differences in the ground potential, ground loops are effec‐
tively prevented. As a result, equalizing currents can no longer flow via the cable shields
and metal housing.
NOTICE
The voltage supply for the device and the connected peripheral devices must also guar‐
antee the required level of insulation.
Under certain circumstances, a tangible potential can develop between the insulated
metal housings and the local ground potential.
6.3 Wiring instructions
NOTICE
Faults due to incorrect wiring.
Incorrect wiring may result in operational faults.
■
Follow the wiring notes precisely.
Pre-assembled cables
NOTE
Pre-assembled cables can be found online at: www.sick.com/CLV61x_Dual_Port
Pre-assembled cables with open cable end at one end:
NOTE
Information about pin, signal and wire color assignments see "Signal assignment of
cables with open cable end at one end", page 63 in the appendix.
6.4 Pin assignments for electrical connections
Connections P1 and P2 (PROFINET)
Figure 20: Female connector, M12, 4-pin, D-coded
Pin Signal Function
1 TD+ (Ethernet) Sender+
2 TD– (Ethernet) Sender–
6 ELECTRICAL INSTALLATION
38
O P E R A T I N G I N S T R U C T I O N S | CLV61x DualPort (PROFINET) 8017842/ZOK7/2019-02-01 | SICK
Subject to change without notice
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