Functions
7.9 Technological functions
Inverter with CU240B-2 and CU240E-2 Control Units
200 Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
Principle of operation after OFF2 or STO command
For the following signals, the brake closing time is not taken into account:
● OFF2 command
● For fail-safe applications, in addition, after "Safe Torque Off" (STO)
After these control commands, the signal to close the motor holding brake is immediately
output independent of the motor speed. The inverter does not monitor the motor speed until
the brake closes.
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Figure 7-14 Function diagram of the motor holding brake control after an OFF2 or STO command
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