ABB ACS880-17, Руководство пользователя

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32 Option description and instructions
Emergency stop indications
When the emergency stop function has been completed:
•
the indication lamp [P62] of the reset button [S62] illuminates. This indicates that it is
possible to reset the Emergency stop function.
Note : The indication lamp goes on also when the FSO module has activated the drive
STO function after fault situations. In addition, the indication lamp goes on and off when
the drive is started.
The indications that the FSO module generates are configurable. For more information,
see chapter
Parameter settings on page 35 and chapter Fault tracing in the FSO module
user’s manual.
Fault reaction function
Definition: The safety function has a ‘fault reaction function’ that attempts to bring the
systems to a safe state if it detects any failure within the safety system:
•
a short or open circuit or redundancy failure of the emergency stop button wiring
chain, or
•
any internal failure within the FSO or FSE modules, the safety encoder or the drive
STO.
This section describes the fault reaction functions in the FSO and FSE modules, the safety
encoder and the drive.

FSO module
The fault reaction function of the FSO module trips the drive if it detects a failure. The FSO
module activates the STO or Safe stop emergency (SSE) function. This activates on the
drive STO function. The drive STO function is active until the fault has been repaired.
The FSO module goes into the Fail-safe mode. The FSO module LED STATUS/FAULT is
red until the fault has been repaired.
To exit the Fail-safe mode, remove the cause of the fault and reset the FSO module by
switching the power off and on, by pressing the
Boot FSO button on the Safety view of
Drive composer pro or with drive parameter 96.09 FSO reboot . For more information, see
the drive firmware manual and the FSO module user’s manual.