Siemens SIMATIC S7-1500 System Manual page 87

Connecting
6.9 Protective conductor and potential equalization, functional ground
Example: Booksize axis group, consisting of SIMATIC Drive Controller, Line Module and
Motor Modules.
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
⑬
⑭
⑮
⑯
A mounting plate also acts as potential equalization surface. No additional equipotential
bonding is therefore required within the drive line-up.
86
SIMATIC Drive Controller
SINAMICS S120 Line Module
SINAMICS S120 Double Motor Module
SINAMICS S120 Single Motor Module
SINAMICS Sensor Module Cabinet-Mounted (SMC)
SINAMICS Terminal Module (TM)
Power supply, for example, SITOP
Mounting plate, metallic bright
Control cabinet
Protective conductor connection
Protective conductor bar
Motor cable
Flexible protective conductor
Control cabinet door
HMI device
Protective conductor
SIMATIC Drive Controller
System Manual, 11/2019, A5E46600094-AA