Vacon 20 CP/X, Applications Manual

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Parameter description vacon • 54
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P4.19 F
LOWMETER PULSE
Digital input for pulse flow meter (P15.1 = 1).
P4.20 F
LOW COUNTER RESET
Digital input for flow counter reset.
P4.21 M
INIMUM WATER LEVEL
Digital input for minimum water level.
P4.22 M
INIMUM LEVEL LOGIC
This parameter selects the logic to check the status of water level due by the digital input set
by P4.21. Selections:
0 = the water level is ok when digital input set by P4.21 is high
1= the water level is ok when digital input set by P4.21 is low
The drive trips with F63 fault (Low water level) when level is not ok. The fault is automatically
reset with the Underload logic (see P10.4-7), when the level is restored.
Min level signal/fault refers to level in a well from which water is taken.
P4.23 M
AXIMUM WATER LEVEL
Digital input for maximum water level.
P4.24 M
AXIMUM LEVEL LOGIC
This parameter selects the logic to check the status of water level due by the digital input set
by P4.23. Selections:
0 = the water level is ok when digital input set by P4.23 is high
1= the water level is ok when digital input set by P4.23 is low
The drive trips with F64 fault (Max water level) when level is not ok. The fault is automatically
reset with the Underload logic (see P10.4-7), when the level is restored.
Max level signal/fault refers to level in a possible tank where pumped water is stored.