ABB FSO-12, User Manual

Page: 296 / 388

296 Parameters
Delayed brake Time controlled brake. Parameter SBC.12
STO SBC delay defines the delay.
SBC.12 STO SBC delay Sets the time after which the FSO module
activates the SBC after it has activated the
drive STO function. A negative value means
that the FSO module activates the SBC
before the drive STO function.
If the value is
0 ms , the FSO activates the
drive STO and SBC functions at the same
time.
STO function and SSE with immediate STO:
This parameter is valid if parameter
SBC.11
STO SBC usage has value Delayed brake .
SSE with emergency ramp and SS1
function: This parameter is valid if parameter
SBC.15 SSE/SS1 SBC speed is not zero.
Only a negative value and zero are used. If
the value is positive, it is regarded as zero.
Note: You must include the mechanical
brake delays in this value.
3,600,000
ms
-5000…
3,600,000 ms
Time
SBC.13 SBC time to zero
speed
Sets an additional security delay after which
the motor has stopped and the system can
be set to a safe state after the FSO module
has activated the brake (SBC).
Must be
configured to the estimated time in which the
motor brakes to a stop from the maximum
speed.
The total delay from the moment the FSO
module has activated the drive STO function
until the system is in safe sate becomes:
STO SBC delay ( SBC.12 ) + SBC time to
zero speed ( SBC.13 ).
Note : If the value of SBC time to zero speed
is less than 800 ms (the feedback delay), the
total delay becomes:
STO SBC delay
( SBC.12 ) + 800 ms.
3,600,000
ms
0…3,600,000 ms Time
SBC.15 SSE/SS1 SBC
speed
Sets the speed below which the FSO
module activates the brake (SBC) while
ramping in the SSE and SS1 functions. If the
value is
0.0 rpm , this feature is not in use.
Note : This is the absolute value. The same
value is used in both positive and negative
directions.
0.0 rpm
Index Name/Value Description Factory
default