Siemens SINAMICS S120 Device Manual page 421

Figure 8-31
NOTICE
Malfunctions or damage to the Option Board by pulling and pluging it during operation
Withdrawing and inserting the Option Board during operation can damage it or cause it to
malfunction.
• Only pull and plug the Option Board when the Control Unit is current-free.
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Interface X140 and measuring sockets T0 to T2 - CU320-2 PN (view from below)
8.22 K95, CU320-2 PN Control Unit
Options
421