Parameter settings 51
SS1.14 SS1 delay for STO 20000 ms Sets the security delay after which the FSO module
activates the drive STO and SBC at the latest, if the motor
speed has not gone below the zero speed limit (parameter
FSOGEN.51 or FSOGEN.52) yet.
Time monitoring:
This value sets the security delay that the
FSO module monitors. Adjust the default value when
necessary.
Ramp monitoring:
This value has no effect in the operation.
SAR1 ramp settings
200.112 SAR1 ramp time to zero 2000 ms Sets the target time for the stop ramp SAR1 that is used in
the SS1 and function. Adjust the default value when
necessary.
Target time = The time in which the drive decelerates the
motor from speed 200.202 SAR speed scaling to zero.
Note: With value 0 ms, the drive uses the emergency stop
ramp set by drive parameter 23.23 (see section SS1 ramp
parameters in the drive/inverter unit below). Also in this
case, the FSO module only monitors the actual ramp (ramp
monitoring or time monitoring).
200.202 SAR speed scaling 1500 rpm Sets a speed value that the FSO module uses as a
reference point in ramp parameter calculations (see SAR1
ramp parameters 200.112, SARx.21, SARx.22 and
SARx.02). Adjust the default value when necessary.
SARx.02 SAR initial allowed
range
100 ms Sets the initial allowed range for the SAR0/SAR1 ramp.
This parameter moves the location of the maximum
monitoring ramp forward on the time axis, when monitoring
is started. The slope of the ramp stays the same as defined
with parameters 200.202 and SARx.22. For more
information, see the FSO module user’s manual.
Time monitoring:
This value has no effect in the operation.
Ramp monitoring:
Adjust the default value when necessary.
SARx.21 SAR1 min ramp time to
zero
1000 ms Sets the minimum ramp time for the SAR1 ramp monitoring.
Time monitoring:
This value has no effect in the operation.
Ramp monitoring:
Sets the minimum stop ramp time for the
emergency stop. Adjust the default value when necessary.
Note: With value 0 ms, the minimum ramp is not monitored.
SARx.22 SAR1 max ramp time to
zero
3000 ms Sets the maximum ramp time for the SAR1 ramp
monitoring.
Time monitoring:
This value has no effect in the operation.
Ramp monitoring: Sets the maximum stop ramp time for the
emergency stop. Adjust the default value when necessary.
SBC usage
SBC.15 SSE/SS1 SBC speed 0 rpm Sets the absolute speed below which the FSO module
activates the brake (SBC) while ramping.
0rpm: The feature is not in use.
In the safety functions described in this manual, this feature
is not used. Make sure that the value is 0rpm.
Index Name Example
value
Description
00 ACS880 ATEX cabinet.book Page 51 Tuesday, May 28, 2019 10:25 AM
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