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Index
Name
STO.13 Restart delay after
STO
STO.14 Time to zero speed
with STO or modoff
SBC usage
SBC.11 STO SBC usage
Example
Description
value
2000 ms
Sets the time after which the restart of the drive is allowed
after the FSO module has activated the STO function and
opened the drive STO circuit. With this parameter, you can
allow a restart of the drive before the motor has stopped (fly-
start). This parameter is valid only if the STO function is
requested from STO input A (STO.11) or STO input B
(STO.12).
STO function: Adjust the value when necessary. If you do not
want to use the fly-start feature, set this parameter to the
same value as parameter STO.13.
SS1 function: This value has no effect.
2000 ms
Sets the time after which the acknowledgement is allowed
after coast stop in the STO and SSE functions. Set this
parameter value to the estimated time in which the motor
coasts to a stop from the maximum speed.
STO function: This parameter sets the time after which the
STO function is completed. Parameter
time after which the restart of the drive is allowed. Adjust the
value when necessary.
SS1 function: This parameter is used only when the motor
speed does not follow the ramp settings or the time
monitoring limit is exceeded and the FSO module activates
the STO function. Adjust the value when necessary.
When a safety encoder is used: This parameter is relevant
only if an encoder or FSE module failure occurs. The FSO
module goes into the Fail-safe mode and activates the STO
function. For more information, see the FSO-21 module
user's manual.
Note: The default value after factory reset is 3,600,000 ms.
Always check this parameter after factory reset.
None
Sets how the mechanical brake is used together with the
STO function.
In the safety functions described in this manual, this feature
is not used and this parameter has value None.
ACS880-07/17/37 drives with the option +Q978: The SBC
function is used in the emergency stop implementation to
control the auxiliary safety relay(s) which is connected to the
main contactor/breaker. Make sure that the value is Delayed
brake.
Parameter settings 49
STO.13
defines the
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