Siemens SIMATIC HMI TP 177micro

Mounting and connection
4.3 Mounting and connecting the TP 177micro
OP 73micro, TP 177micro (WinCC flexible)
52 Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
Wiring diagram
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3 3
87
2
65
4
Figure 4-13 Installing the equipotential circuit
① Chassis ground terminal on the HMI device (example)
② Equipotential bonding conductor cross-section: 4 mm
2
③ Cabinet
④ Equipotential bonding conductor cross-section: min. 16 mm
2
⑤ Ground terminal
⑥ Cable clamp
⑦ Voltage bus
⑧ Parallel routing of the equipotential bonding conductor and data cable