Watson-Marlow qdos H-FLO Reference Manual page 197

23.1.1 Control settings>Speed limit
The maximum pumphead speed limit may be changed. This limit is dependent on the
pumphead which is fitted to the drive unit. The speed limit will be applied to all
operating modes
ReNu 150 pumphead Santoprene / PFPE 7 bar (102 psi)
ReNu 300 pumphead Santoprene / PFPE 5 bar (73 psi)
ReNu 300 pumphead SEBS / PFPE 4 bar (58 psi)
ReNu 600 pumphead Santoprene / PFPE 2.5 bar (36 psi)
23.1.1.1 Effect on 4-20 mA profile (Model: Universal, Universal+)
Applying speed limit automatically re-scales the analog speed control response. An example is
shown below:
RPM
Description
mA
Calibrated 4-20 mA profile based on a 125 rpm speed limit
User set 75 rpm speed limit
Re-calibrated 4-20 mA profile based on a 75 rpm speed limit
RPM
Maximum
speed (rpm)
130
160
135
170
mA
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