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136 Safety functions
With ramp monitoring
The operation of the SSE with speed limit activated SBC, SBC before STO and ramp
monitoring is described in the time diagrams and tables below. For configuration, see
section
How to configure SSE with speed limit activated SBC, SBC before STO
on
page
With a safe speed estimate
A
SBC speed (parameter
): Speed limit below which the FSO activates the SBC
(brake) while ramping. The SAR0 ramp monitoring is stopped.
B
SBC delay (parameter
): Time from the activation of the SBC function to the
moment when the FSO activates the drive STO function
.
C
SBC time to zero (parameter
): Time from the SBC activation to the moment
when the safety function is completed and the SSE completed indication (parameter
) goes on. The acknowledgment becomes allowed. You must set this to the
estimated time in which the motor brakes to a stop from the maximum speed.
D
Response time (depends on system configuration, see page
Ramp monitoring limits
Drive STO state
& indication
SSE request
Motor speed
Time
SSE state &
indication
1
7
2
5
SBC output
3
A
D
SSE completed
indication
SAR0
monitoring
3b
B
C
4
6
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 ...