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146 Safety functions
Step Description
1
The SLS request is received. The motor speed is above the SLS trip limit positive (A).
2
After time C has elapsed, the drive starts to ramp down the motor speed. The SAR1
parameter
defines the deceleration ramp until the speed reaches the SLS limit
positive (B). The FSO starts the SAR1 ramp monitoring (parameters
).
Note:
If parameter
has value
0
, the drive (parameter
23.23
) defines the ramp.
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
on page
), and stops the SAR1 monitoring. The SLS active indication
(parameter
,
) goes on.
2b
If the motor speed does not follow the ramp monitoring limits, the FSO activates the
STO function. See section
on page
for more information on
how to configure the STO function.
3
The motor speed reaches the SLS limit positive (B).
3-5
The drive limits the motor speed, but if the motor speed still reaches the SLS trip limit
positive, the FSO activates the SSE function. For more information, see section
on page
.
4
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.
5
The SLS function is acknowledged and the 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 ...