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144 Safety functions
Step
Description
1
The SLS request is received.
The motor speed is above the SLS trip limit positive (A).
The FSO starts the counter for the SLS time delay (C) (parameter
).
2
The drive starts to ramp down the motor speed.
The drive (parameter
23.13
or
23.15
)
defines the deceleration ramp until the speed reaches the SLS limit positive (B).
The FSO starts the SLS monitoring when the motor speed is in the middle of the SLS
limit and the SLS trip limit (see also section
How to configure mute time for monitoring
). The SLS active indication (parameter
or
) goes on.
3
The motor speed reaches the SLS limit positive (B).
3-6
The drive limits the motor speed, but if the motor speed still reaches the SLS trip limit
positive, the FSO activates the SSE function. See section
page
4
The FSO starts the SLS monitoring at the latest here, that is, after the SLS time delay
(C) has elapsed.
Note
: If the motor speed is above the SLS trip limit after the SLS time delay (C) has
elapsed, the FSO module activates the SSE function. For more information, see
section
on page
.
5
The SLS request is removed, but the SLS monitoring is still on (acknowledgement
method is manual or from a safety PLC).
Note
: If automatic acknowledgement is used, the SLS monitoring is also ended.
6
The SLS function is acknowledged and FSO stops the SLS monitoring. The SLS active
indication (parameter
) goes off.
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 ...