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Appendix V Product application case
V-1 Single pump constant pressure water supply parameter setting
V-1-1 Electrical Diagram:
Motor
FWD/STOP
Pa
0
～
+10V DC
(Default)
Circuit breaker
%
380V 50/60Hz
Three phase input power supply
Single pump constant pressure water supply
M
Water pump
Long pass pressure gauge
Note:
Check the wiring is correct, close the circuit breaker, the inverter power, press the forward button for 1-2 seconds and
then stop, check the pump running direction, if the direction is reversed, then change the motor wiring phase sequence
V-1-2 Parameter setting:
No.
Code
Parameter name
Setting range
F0.03
Frequency source master setting
PID control setting
8
F0.11
Command source selection
Terminal block control (LED on)
1
E2.00
PID setting source
E2.01setting
0
E2.01
PID keyboard reference
0.0%-100.0%
According to the pressure rate to
choose the pressure percentage
E2.02
PID feedback source
Analog AI1 reference
0
E2.04
PID reference feedback range
0-65535
Set it according to the on-site pressure
E2.06
PID deviation limit
PID deviation limit
0.2%
E2.27
Computing status after PID stop
PID stop with computing
1
F7.46
Awakens frequency
If the inverter is in hibernation mode and the current
running command is valid, when the setting frequency is
greater than or equal to the wake-up frequency of F7.46,
the inverter will start to start after the delay time of F7.47.
35.00Hz
F7.47
Awakens delay time
0.0s-6500.0s
0.1s
F7.48
Dormancy frequency
During the operation of the inverter, when the set frequency
is less than or equal to the sleep frequency of F7.48, after
the delay time of F7.49, the inverter will go to sleep state
and stop automatically
30.00Hz
F7.49
Dormancy delay time
0.0s-6500.0s
0.1s
FC.02
PIDstart deviation
PID setting start deviation rate
5.0
Note:
Under normal circumstances, please set the wake-up frequency greater than or equal to the sleep frequency.
Set the wake-up frequency and sleep frequency are 0.00Hz, then sleep and wake-up function is invalid. When the sleep
function is enabled, if the PID is used as the PID source, then whether the PID is in sleep mode or not is affected by the
function code E2.27. In this case, PID operation must be stopped (E2.27 = 1). E2.01 The method of calculating the signal
value given by the keyboard: E2.01 = Set the pressure of the full scale of the pressure gauge * 100%, for example:
The full scale of the pressure gauge is 1.0Mpa. If the pressure of the pipe network is required to be constant at 0.4Mpa,
The value of E2.01 is 40.0.
