Siemens SINAMICS G120 Operating Instructions Manual page 54

Installing/Mounting
4.3 Connecting a CU240S DP or CU240S DP-F via PROFIBUS DP
Equipotential bonding
Differences in potential (for example, due to different mains supplies) between the inverters
and the PROFIBUS DP master must be avoided.
● Recommended equipotential bonding cables:
● Equipotential bonding cables must be routed as close as possible to signal leads; this
● Equipotential bonding cables must be contacted in a 360° connection with the earth
4-16
– 16 mm Cu for equipotential bonding cables up to 200 m long
2
– 25 mm Cu for equipotential bonding cables of over 200 m long.
2
means that the area between the bonding conductor and signal lead is as small as
possible.
electrode/PE conductor.
Operating Instructions, 11/2006, A5E00766042B AA
Control Units CU240S