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166 Safety functions
FSO boot behavior with SLS active
When the safe speed estimate is in use, the following boot behavior exists.
During FSO module boot, the FSO module has no valid speed data and thus a very
high initialization value for motor speed is assumed for internal FSO usage. If an SLS
function or variable SLS function is active during FSO reboot and parameter
is configured so that
Modoff delay time
or
Monitoring active
is selected, the FSO will
prevent the drive from restarting until the
delay time has elapsed.
Step Description
1
SLS request is active during FSO boot.
2
FSO module is rebooted.
delay time counter is started.
3
has elapsed, STO acknowledgement is possible, and SLS indication is
activated.
Note:
STO acknowledgement is not possible until
delay has elapsed. If you try
to acknowledge STO before
delay time counter will
be restarted.
Time
SLS ok
STO
SLS request
STO.14 delay
FSO boot
2
3
1
Содержание FSO-21
Страница 1: ... OPTIONS FOR ABB DRIVES FSO 21 safety functions module User s manual ...
Страница 4: ......
Страница 16: ...16 Safety instructions ...
Страница 34: ...34 Safety information and considerations ...
Страница 52: ...52 Overview ...
Страница 236: ...236 PROFIsafe ...
Страница 265: ...PROFIsafe 265 2 Select your CPU from the list 3 Install the FENA 21 GSDML file ...
Страница 275: ...PROFIsafe 275 20 In ABB_Drive FB add blocks DPRD_DAT and DPWR_DAT 21 Insert values to blocks ...
Страница 282: ...282 PROFIsafe 5 To read the diagnostic messages select the I O Device Diagnostics tab ...
Страница 286: ...286 PROFIsafe ...
Страница 304: ...304 Installation ...
Страница 400: ...400 Configuration ...
Страница 488: ...488 Verification and validation ...
Страница 506: ...506 Fault tracing ...
Страница 514: ...514 Maintenance ...
Страница 536: ...536 Technical data ...
Страница 538: ...538 Dimension drawings 3AXD50000018513 ...