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Safety functions 79
Step Description
1
The SSE request is received (for example, from the I/O). The FSO activates the drive
STO function and starts a counter for time A.
2
After time A has elapsed, the FSO activates the SBC and starts a counter for time B.
3
After time B has elapsed, the FSO module defines the motor as stopped and
the SSE
completed indication goes on. The acknowledgement becomes allowed as soon as the
SSE request has been removed (step 4).
4
The SSE request is removed.
5
After the acknowledgement, the SSE, STO and SBC functions are deactivated and the
control is given back to the drive, which controls the brake from now on. The indications
goes off.
Summary of Contents for FSO-12
Page 1: ... OPTIONS FOR ABB DRIVES FSO 12 safety functions module User s manual ...
Page 4: ......
Page 12: ...12 Table of contents ...
Page 36: ...36 Safety information and considerations ...
Page 136: ...136 Safety functions ...
Page 196: ...196 PROFIsafe 5 To read the diagnostic messages select the I O Device Diagnostics tab ...
Page 200: ...200 PROFIsafe ...
Page 326: ...326 Start up ...
Page 386: ...386 Dimension drawings ...