Delta VFD-EL-W Series User Manual

Chapter 4 Parameters  VFD-EL-W
4-105
Parameter Function Settings Default
End
user’s
master
End
user’s
slave
Note
4: PID set point (Pr.10.11)
10.01
Input Terminal
for PID
Feedback
0: Positive PID feedback from
external terminal AVI (0–
10 V
DC
)
1: Negative PID feedback
from external terminal AVI
(0–10 V
DC
)
2: Positive PID feedback from
external terminal ACI (4–
20 mA)
3: Negative PID feedback
from external terminal ACI
(4–20 mA)
0 3 3
10.02
Proportional
Gain (P)
0.0–10.0 1.0 1.2 1.2
Adjusts according to
customer’s applications
10.03
Integral Time
(I)
0.00–100.00 sec.
(0.00=Disable)
1.00 0.7 0.7
10.04
Differential
Time (D)
0.00–1.00 sec. 0.00 - -
10.12
PID Deviation
Level
0.0–100.0% 10.0 5 5
When the pressure feedback
is < 0.5 kg and time > 15
sec., follow the settings for
Pr.10.20.
10.13
PID Deviation
Detection
Time
0.1–300.0 sec. 5.0 15 15
10.18
Feedback of
PID Physical
Quantity Value
1.0–99.9 99.9 10 10
Sets the maximum feedback
of PID physical quantity
value to be 10 kg.
10.19
PID
Calculation
Mode
Selection
0: Serial mode
1: Parallel mode
0 1 1
The parallel PID calculation
mode applies for the
constant pressure water
supply control.
10.20
Erroneous PID
Feedback
Deviation
Level Action
0: Wan and keep operating
1: Warn and coast to stop
2: Wand and ramp to stop
3: Ramp to stop and restart
after Pr.10.21 delay time
0 3 3
When there is water
shortage or unusual
pressure feedback, the pump
stops running for 1800 sec.
(30 minutes) until the
pressure feedback is back to
normal.
10.21
Restart Delay
Time after
Erroneous PID
Deviation
Level
0–9999 sec. 60 1800 1800
10.22
Set Point
Deviation
Level
0–100% 0 5 5
When the feedback value
and the set point deviation
are both 0.15 kg (3 kg X
5%=0.15 kg), that is, when
feedback value is ≥ 2.85 kg
and time > 10 seconds, the
AC motor drive starts to

Delta VFD-EL-W Series Specifications

General

Brand	Delta
Model	VFD-EL-W Series
Category	DC Drives
Language	English