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Programming
0291
0291 CURR. LIMIT
Current limit
100 %
Possible settings: 10.0 - 100 %
Previous parameters [0285] - [0291] are limited for power ratings starting from 7.5kW with production
date 05/08 and control board software V01.3 → otherwise they are not visible and therefore not active.
0300
0300 SUBMENU
REGULATION
0305
0305 JOG 0.0Hz
Both the current output frequency and actual value are shown.
X.XX PSI
• By pressing ▲ or ▼ in this menu, the internal controller of the HYDROVAR is deactivated and it changes
to manual mode.
• Using the ▲ and ▼ buttons any constant speed can be set without further control to achieve the set
point!
• If this value becomes 0.00 Hz the HYDROVAR stops.
• As soon as the window is left by pressing or , the HYDROVAR returns to the selected mode.
0310
0310 WINDOW
Hysteresis Window
5%
Possible settings: 0 – 100% of required value
• Determines the width of the set point hysteresis window.
• For steep pump-curves and closed loop systems ~20-30%.
0315
0315 HYSTERESIS
Hysteresis for ramp switching
80%
Possible settings: 0 – 100%
• Determines the percentage of the hysteresis window, at which the ramps change from slow to fast.
• For an accurate control (without automatic shut-off) ~99%, e.g. constant ow control.
0320
0320 REG. MODE
Regulation mode
normal
Possible settings: normal, inverse
Normal: Speed is increased with falling actual value signals. (e.g.: control at constant output pressure)
Inverse: Speed is reduced with falling actual value signal. (e.g.: control at constant suction pressure or at
constant level on the suction side)
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