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Safety functions 141
user can also set the reaction type and the delay for activating the STO indication
after the modulation loss.
For this procedure to work, at least the auxiliary power (24 V DC) to the control unit
and the FSO module must be on. For more information, see section
when modulation is lost during deceleration ramp, with ramp monitoring
on page
SLS with speed below monitored speed
This applies to both time and ramp monitoring.
A
SLS trip limit positive (parameter
B
,
- - -
SSE coast stop due to SLS trip limit hit
Motor speed
Time
1
3
2
4
A
B
SLS request
SLS monitoring
SLS indication
Manual
acknowledgment
Summary of Contents for FSO-21
Page 1: ... OPTIONS FOR ABB DRIVES FSO 21 safety functions module User s manual ...
Page 4: ......
Page 16: ...16 Safety instructions ...
Page 34: ...34 Safety information and considerations ...
Page 52: ...52 Overview ...
Page 236: ...236 PROFIsafe ...
Page 265: ...PROFIsafe 265 2 Select your CPU from the list 3 Install the FENA 21 GSDML file ...
Page 275: ...PROFIsafe 275 20 In ABB_Drive FB add blocks DPRD_DAT and DPWR_DAT 21 Insert values to blocks ...
Page 282: ...282 PROFIsafe 5 To read the diagnostic messages select the I O Device Diagnostics tab ...
Page 286: ...286 PROFIsafe ...
Page 304: ...304 Installation ...
Page 400: ...400 Configuration ...
Page 488: ...488 Verification and validation ...
Page 506: ...506 Fault tracing ...
Page 514: ...514 Maintenance ...
Page 536: ...536 Technical data ...