Electrical installation
4.10 Signal connections
Inverter chassis units
Operating Instructions, 07/2016, A5E00331449A
91
Figure 4-21 Interface X140 and measuring sockets T0 to T2 - CU320-2 PN (view from below)
Malfunctions or damage to the option board by inserting and withdrawing in operation
Withdrawing and inserting the option board in operation can damage it or cause it to
malfunction.
• Only withdraw or insert the Option Board when the Control Unit is in a no-current
condition.
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