Siemens SIMATIC HMI Mobile Panel 277 RO - Page 46

Mounting and connecting
4.4 Connecting the connection box
Mobile Panel 277 RO
46 Operating Instructions, 10/2015, A5E36824256-AA
Connection graphic
The following figure shows how to connect the equipotential bonding conductor to the
connection box PN Plus.
①
PE connection on the connection box (terminal strip 1, pin 1)
②
Equipotential bonding conductor cross-section: 2.5 mm
2
③
Switching cabinet
④
Equipotential bonding conductor cross-section: min. 16 mm
2
⑤
Ground connection
⑥
Cable clip
⑦
Voltage bus
⑧
Parallel routing of the equipotential bonding conductor and data cable