Sse With Ramp Monitoring - ABB FSO-21 User Manual

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SSE with ramp monitoring

The operation of the SSE with ramp monitoring is described in the time diagrams and
tables below. For configuration, see section
monitoring on page 288.
Without an encoder
Motor speed
B
A
1
2
A Zero speed (parameter FSOGEN.51): Speed limit for activating the drive STO function.
The safety function is completed, ramp monitoring is stopped and the SSE completed
indication (parameter SSE.22) goes on. The acknowledgment becomes allowed.
B Response time (depends on system configuration, see page 437)
Ramp monitoring limits
How to configure SSE with ramp
- -> Safe torque off (STO)
2b
3
Safety functions 107
4
5
Time
SSE request
Drive STO state
& indication
SSE state &
indication
SSE completed
indication
SAR0
monitoring