Ss1 With Ramp Monitoring (Ss1-R) - ABB FSO-21 User Manual

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SS1 with ramp monitoring (SS1-r)

The operation of the SS1 with ramp monitoring (SS1-r) is described in the time
diagrams and tables below. For configuration, see section
ramp monitoring (SS1-r)
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 and the SS1 completed indication (parameter SS1.22)
goes on. The acknowledgment becomes allowed.
B Response time (depends on system configuration, see page 437)
Ramp monitoring limits
on page 275.
- -> Safe torque off (STO)
2b
3
Safety functions 73
How to configure SS1 with
4
5
Time
SS1 request
Drive STO state
& indication
SS1 state &
indication
SS1 completed
indication
SAR1
monitoring