Delta VFD-EL-W Series - Chapter 5: Troubleshooting

Chapter 4 Parameters｜VFD-EL-W
154
02 Pr.10.35 = 2 Fixed quantity control (multi-pump operating at constant pressure)
Related parameters (Pr.10.35 = 2)
Pr.
Function
Setting Range
Default
User's
Master
User’s
Slave
Note

00.03
Start-up Display
0: F (frequency command)
1: H (output frequency)
2: A (output current)
3: U (user-defined)
4: FWD/REV command
0
3
3

00.04
Content of Multi-
function Display
(User-Defined)
0: Display the content of user-
defined unit
1: Display counter value (c)
2: Display the status of multi-
function input terminal (d)
3: Display the drive's DC bus
voltage (u)
4: Display the drive’s output
voltage (E)
5: Display PID analog feedback
signal (b)
6: Display the drive's power
factor angle (n)
7: Display the drive’s output
power (P)
8: Display the setting value and
the feedback of PID control (P)
9: Display AVI analog input
terminal signal (V) (I)
10: Display ACI analog input
terminal signal (mA/V) (i)
11: Display IGBT temperature
(°C) (h)
0
8
8
00.13
User-Defined Value
(Max. operation
frequency)
0–9999
0
100
100
Sets the constant
pressure control to
correspond to the largest
physical quantity and the
decimal place. The
number displayed is
10.0 currently.
00.14
Decimal Places for
User-Defined Value
0–3
0
1
1
01.00
Max. Operation
Frequency
50.00–400.0 Hz
60.00
60
60
Set the parameters
according to the
specifications of pumps.
01.01
Motor Rated
Frequency
0.10–400.0 Hz
60.00
60.00
60.00
01.02
Motor Rated
Voltage
230V models: 0.1–255.0 V
220.0
220.0
220.0
460V models: 0.1–510.0 V
400.0
400.0
400.0

01.09
Acceleration Time
1
0.1–600.0 sec./ 0.01–600.00 sec.
10.0
0.5
0.5
Adjust the parameter
according to customer’s
applications

01.10
Deceleration Time
1
0.1–600.0 sec./ 0.01–600.00 sec.
10.0
5.0
5.0

01.12
Deceleration Time
2
0.1–600.0 sec./ 0.01–600.00 sec.
10.0
3.0
3.0
The time for the drive
decelerating to stop
when the pressure
reaches the setting
value.

02.00
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
0
2
2
Adjust the parameter
according to customer’s
applications