DescriptionExample valueNameIndex
Sets the general zero speed limit for safety
functions when a safety encoder is in use.
10 rpmZero speed with en-
coder
FSOGEN.52
This parameter is relevant when the SSE
function is activated and if parameter
SSE.13 SSE function is set to Emergency
ramp. See section Parameters for the SSE
function (page 40).
Note: You cannot set trip limits below this
value.
Sets the type of the indication that the FSO
module generates for the limit hits of the
SLS1…SLS4 and SMS functions and for
limit hits during ramp and time monitoring
of safety ramps SAR0 and SAR1.
FaultSTO indication safety
limit
FSOGEN.62
SLS: When the motor speed does not follow
the deceleration ramp, the FSO module ac-
tivates the STO function and generates this
user-defined indication. When the motor
speed reaches the SLS trip limit, the FSO
module activates the SSE function and
generates this user-defined indication.
SMS: When the motor speed reaches the
SMS trip limit positive or below the SMS trip
limit negative, the FSO module activates the
SSE function and generates this user-
defined indication.
SSM: This value has no effect in the opera-
tion.
Check the default setting and adjust if neces-
sary. If you select Fault, you must reset the
drive before you can restart it.
￭ Parameters for the STO function
These parameters are related to the STO function of the FSO module. The FSO module
can activate the STO function in internal fault situations. The SLS function also activates
the STO function if a ramp monitoring limit is reached during deceleration.
DescriptionExample valueNameIndex
Sets the acknowledgement method used in
the STO, SSE and SS1 functions.
AutomaticSTO acknowledge-
ment
STO.02
Automatic: The FSO module generates the
STO acknowledgement signal automatically,
and the user does not have to press a reset
button (see parameter FSOGEN.42 Acknow-
ledgement button input).
Sets the digital input that is connected to
the primary input of the STO function.
NoneSTO input ASTO.11
The safety option described in this manual
does not use this function and the value
must be None.
Parameter settings 39
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