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BCU-x2
Termination ON
Safe torque off (XSTO, XSTO OUT)
￭
See chapter
The Safe torque off function (page
Note: The XSTO input only acts as a true Safe torque off input on the inverter control unit.
De-energizing the IN1 and/or IN2 terminals of other units (supply, DC/DC converter, or brake
unit) will stop the unit but not constitute a true safety function.
FSO safety functions module connection (X12)
￭
Refer to the applicable FSO module user's manual.
SDHC memory card slot
￭
The BCU-x2 has an on-board data logger that collects real-time data from the power modules
to help fault tracing and analysis. The data is stored onto the SDHC memory card inserted
into the SD CARD slot and can be analyzed by ABB service personnel.
Termination OFF
217).
Control units of the drive 129
Termination ON
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