Siemens SIMATIC HMI OP 73micro Operating Instructions Manual page 43

Wiring diagram
Figure 4-3
①
②
③
④
⑤
⑥
⑦
⑧
See also
Electromagnetic compatibility (Page 23)
OP 73micro, TP 177micro (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
1
2
4
5 6 7
Installing the equipotential circuit
Chassis ground terminal on the HMI device (example)
Equipotential bonding conductor cross-section: 4 mm
Cabinet
Equipotential bonding conductor cross-section: min. 16 mm
Ground terminal
Cable clamp
Voltage bus
Parallel routing of the equipotential bonding conductor and data cable
4.2 Mounting and connecting the OP 73micro
3
8
Mounting and connection
3
2
2
43