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9.581.140-6
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5.2.2.3.5 Faults / interruptions of safety circuit
Faults
If the inverter detects a fault, the
Fault Alarm Relay TÜ
is activated. As a result, terminals 3-4 are
opened. The ready output Terminal 59 is switched to 0V.
In addition, the brake (relay ZB / terminal 72) is closed and the main contactors (relay ZS / terminal
71) are opened.
Provided that the controller cancels the travel commands from the inverter in case of a fault, the
inverter performs an automatic error reset after 3 seconds. Then, it is ready for operation again.
Interruption of safety circuit
In case safety circuits are interrupted, the release signal (signal "GS") must be switched off on the
controller. As a result, the motor current is switched off directly. The controller closes the brake
immediately and performs a quick-stop ramp to zero within 0.5s.
Controller outputs an error message "GS failure during travel operation", if this monitoring function is
enabled in the service menu (see chapter 9.12.3.4).
Summary of Contents for FRC-F Series
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