Delta VFD-EL-W Series - Page 157

Chapter 4 Parameters｜VFD-EL-W
152
Pr.
Function
Setting Range
Default
User's
Master
User’s
Slave
Note
pump has an error
10.44
Pump Start-Up
Sequence
Selection
0: By pump ID
1: According to the operating time
0
1
1
Adjust the parameter
according to
customer’s
applications
10.45
Pump Alternative
Operation Time
Setting
0.0–360.0 sec.
60.0
60.0
60.0
Adjust the parameter
according to
customer’s
applications
10.00
PID Set Point
Selection
0: PID function disabled
1: Digital keypad
2: Reserved
3: Reserved
4: PID reference target value
(Pr.10.11)
0
1
1
Adjust the parameter
according to
customer’s
applications
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
Adjust the parameter
according to
customer’s
applications

10.03
Integral Time (I)
0.00–100.0 sec.
1.00
0.7
0.7

10.04
Differential Time
(D)
0.00–1.00 sec.
0.00
-
-
10.12
PID Feedback
Signal Error
Deviation Level
1.0–50.0%
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 Feedback
Signal Error
Deviation
Detection Time
0.1–300.0 sec.
5.0
15
15
10.18
PID Feedback
Physical Quantity
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 connection
1: Parallel connection
00
01
01
The parallel PID
calculation mode
applies for the
constant pressure
water supply control.
10.20
PID Error
Deviation
Treatment
0: Warn and continue operation
(no treatment)
1: Coast to stop
2: 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
PID Error
Deviation Restart
Delay Time
1–9999 sec.
60
1800
1800

10.22
Set Point
Deviation Level
0–100%
0
5
5
If the feedback value
and the set point
deviation are both is
0.15 kg (3 kg × 5% =
0.15 kg), that is,
when feedback value
is ≥ 2.85 kg and time
> 10 seconds, the AC
10.23
Set Point Stop
Detection Time
1–9999 sec.
10
10
10