Table of Contents
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VLT® HVAC Drive FC 131
Programming Guide
[71]
Logic rule 1
[72]
Logic rule 2
[73]
Logic rule 3
[74]
Logic rule 4
[75]
Logic rule 5
[80]
SL digital output A
[81]
SL digital output B
[82]
SL digital output C
[83]
SL digital output D
[97]
Check Valve Monitor
[160]
No alarm
[161]
Running reverse
[165]
Local ref. active
[166]
Remote ref. active
[167]
Start command activ
[168]
Drive in hand mode
[169]
Drive in auto mode
[188]
AHF Capacitor Con-
nect
[190]
No-Flow
[191]
Dry Pump
[192]
End Of Curve
82 | Danfoss A/S © 2022.05
See parameter group 13-4* Logic Rules. If logic rule 1 is evaluated as true, the output goes high.
Otherwise, it is low.
See parameter group 13-4* Logic Rules. If logic rule 2 is evaluated as true, the output goes high.
Otherwise, it is low.
See parameter group 13-4* Logic Rules. If logic rule 3 is evaluated as true, the output goes high.
Otherwise, it is low.
See parameter group 13-4* Logic Rules. If logic rule 4 is evaluated as true, the output goes high.
Otherwise, it is low.
See parameter group 13-4* Logic Rules. If logic rule 5 is evaluated as true, the output goes high.
Otherwise, it is low.
See parameter 13-52 SL Controller Action. The input goes high whenever the smart logic action
[38] Set dig. out. A high is executed. The input goes low whenever the smart logic [32] Action Set
dig. out. A low is executed.
See parameter 13-52 SL Controller Action. The input goes high whenever the smart logic action
[39] Set dig. out. B high is executed. The input goes low whenever the smart logic [33] Action Set
dig. out. B low is executed.
See parameter 13-52 SL Controller Action. The input goes high whenever the smart logic action
[40] Set dig. out. C high is executed. The input goes low whenever the smart logic [34] Action Set
dig. out. C low is executed.
See parameter 13-52 SL Controller Action. The input goes high whenever the smart logic action
[41] Set dig. out. D high is executed. The input goes low whenever the smart logic [35] Action Set
dig. out. D low is executed.
A check valve monitor condition has been detected. Enable the function in parameter 22-04
Check Valve Monitor.
The output is high when no alarm is present.
The output is high when the drive is running counterclockwise (the logical product of the status
bits running and reverse).
The output is high when local reference is activated by the [Hand On] key on the LCP or by hand-
on command of digital input.
The output is high when remote reference is activated by the [Auto On] key on the LCP or by
auto-on command of digital input.
The output is high when there is an active start command (that is, via digital input bus connec-
tion or [Hand On] or [Auto On], and no stop command is active.
The output is high when the drive is in hand-on mode (as indicated by the LED light above [Hand
On]).
The output is high when the drive is in auto-on mode (as indicated by the LED light above [Auto
On]).
Connect or disconnect AHF capacitor.
A no-flow condition has been detected. See parameter group 22-2* No-Flow Detection.
A dry pump condition has been detected. Enable the function in parameter 22-26 Dry Pump Func-
tion.
An end of curve condition has been detected. Enable the function in parameter 22-50 End of Curve
Function.
Parameters
AU370727746889en-000101 / 130R0994
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