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Configuration 279
1. SLS request is activated (SLSx.11 SLS1 input A = DI X113:2 & X114:2). SLS
ramp monitoring is activated (SAR1). Parameter 200.202 SAR speed scaling (=
1500 rpm) is used as a reference point in ramp time calculations. Deceleration
towards the SLS limit speed is started according to SAR1 parameters:
•
ramp time from Scaling speed to zero: 1000 ms (200.112 SAR1 ramp time to
zero = 1000 ms)
•
initial range for monitoring: 100 ms (SARx.02 SAR initial allowed range = 100
ms)
•
minimum allowed ramp time: 500 ms (SARx.21 SAR1 min ramp time to zero =
500 ms)
•
maximum allowed ramp time: 1000 ms (SARx.22 SAR1 max ramp time to
zero = 1500 ms).
2. Modulation is lost. Motor starts to coast to a stop. SLS ramp monitoring is
disabled. Modoff delay time starts to run (SLSx.06 SLS ramp modoff delay time =
200 ms).
3. Modulation of the drive has not returned before the SLS ramp modoff delay time
has elapsed (SLSx.06 SLS ramp modoff delay time = 200 ms). FSO activates
STO function. STO indication goes on (STO.21 STO output = DO X113:7).
4. STO.14 delay starts when drive modulation is lost. If modulation does not return,
SLS indication goes on after STO.14 delay has elapsed.
When drive modulation is lost, last valid speed estimate is shown to FSO module until
modulation comes back or monitoring limit is reached. SAR1 monitoring is disabled
when modulation is lost during SLS deceleration ramp.
Example 2
: The figure below shows an example of the modoff situation with SLS
function with ramp monitoring when "Monitoring active" (parameter SLSx.05) is
selected:
• Basic parametrization of the SLS function made according to chapter
on page
• Monitoring active when drive modulation is lost (SLSx.05 SLS ramp modoff
reaction = Monitoring active)
Содержание FSO-12
Страница 1: ... OPTIONS FOR ABB DRIVES FSO 12 safety functions module User s manual ...
Страница 4: ......
Страница 12: ...12 Table of contents ...
Страница 26: ...26 Introduction to the manual The PROFIsafe certificate for the FSO 12 module is attached below ...
Страница 36: ...36 Safety information and considerations ...
Страница 136: ...136 Safety functions ...
Страница 196: ...196 PROFIsafe 5 To read the diagnostic messages select the I O Device Diagnostics tab ...
Страница 200: ...200 PROFIsafe ...
Страница 326: ...326 Start up ...
Страница 386: ...386 Dimension drawings ...