What is the difference between parameters SLFV (Estimated Pump flow value) and FS2V (Pump Flow Value) of AltivarProcess ATV600 variable speed drive.
Here are 4 combinations of ATV configuration that show the difference between SLFV and FS2V
1. Pump curves entered and activated flow estimation used and FS2A (pump flow sensor assignment) is not configured ==> SLFV is caclutated from pump curves. FS2V is copy of SLFV.
2. (Pump curves not activated or flow estimation not used) and FS2A is not configured ==> SLFV=0, FS2V=0
3. (Pump curves not activated or flow estimation not used) and FS2A=AIx analog input ==> SLFV=0, FS2V=value from the sensor on AIx
4. Pump curves entered and activated flow estimation used and FS2A=AIx ==> SLFV is caclutated from pump curves. FS2V=value from sensor on AIx
To sum up, If there is a pump flow sensor (F2SA is configured) then FS2V provides information from the flow sensor. If there is no pump flow sensor, FS2V takes the value from SLFV.
1. Pump curves entered and activated flow estimation used and FS2A (pump flow sensor assignment) is not configured ==> SLFV is caclutated from pump curves. FS2V is copy of SLFV.
2. (Pump curves not activated or flow estimation not used) and FS2A is not configured ==> SLFV=0, FS2V=0
3. (Pump curves not activated or flow estimation not used) and FS2A=AIx analog input ==> SLFV=0, FS2V=value from the sensor on AIx
4. Pump curves entered and activated flow estimation used and FS2A=AIx ==> SLFV is caclutated from pump curves. FS2V=value from sensor on AIx
To sum up, If there is a pump flow sensor (F2SA is configured) then FS2V provides information from the flow sensor. If there is no pump flow sensor, FS2V takes the value from SLFV.
Released for: Schneider Electric USA
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