Chapter 4 Parameters|VFD-EL-W
151
Set the parameters
according to the
specifications of
pumps.
0.1–600.0 sec./ 0.01–600.00 sec.
Adjust the parameter
according to
customer’s
applications
0.1–600.0 sec./ 0.01–600.00 sec.
0.1–600.0 sec./ 0.01–600.00 sec.
The time for the drive
decelerating to stop
when the pressure
reaches the setting
value.
First Master
Frequency
Command Source
0: Digital keypad
1: External terminal AVI analog
signal DC 0–10V
2: External terminal ACI analog
signal DC 4–20 mA
3: RS-485 communication input
4: Digital keypad potentiometer
knob
Adjust the parameter
according to
customer’s
applications
0: Digital keypad
1: External terminals, STOP key is
valid
2: External terminals, STOP key is
invalid
3: RS-485 communication, STOP
key is valid
4: RS-485 communication, STOP
key is invalid
Adjust the parameter
according to
customer’s
applications
Multi-Pump
Operation Mode
0: Disable
1: Fixed time circulation
(alternative operation)
2: Fixed quantity control (multi-
pump operating at constant
pressure)
0: Disable multi-pump function
1: Master
2–4: Slave
Multi-Pump Fixed
Time Circulation
Period
Pump’s Frequency
at Time-Out
(Disconnection)
Pump Fault
Treatment
bit 0: When the
operating pump is
failed, whether it
switches to an
alternative pump
or not
0: Stop all pump action
1: Switch to an alternative pump
000 = 0
001 = 1
010 = 2
011 = 3
100 = 4
101 = 5
110 = 6
111 = 7
bit 1: During the
operation, stop or
standby after
resetting from
error
0: Standby after resetting
1: Stop after resetting
bit2 Whether the
system can run or
not when the
0: 0: The system cannot activate
1: The system selects another
pump to operate