Func
Code
Name
Range
Min
Unit
Factory
Default
Modify
P7.19
Pressure level.
0.001
P7.20
～
0.001
Mpa
0.001M
pa
○
P7.20
Hibernation
pressure level
P7.19
P7.27
～
01
00
○
P7.21
Hibernation level
continuous time
0
250s
～
1s
10s
○
P7.22
Hibernation
frequency
0.00
400.0Hz
～
0.01Hz 20.00Hz
○
P7.23
Hibernation
frequency
continuous time
0
250s
～
1s
10s
○
P7.24
Low alarm limit
pressure
0.001
P7.25
～
0.001
Mpa
0.001M
pa
○
P7.25
The alarm limit
pressure
P7.24
P7.27
～
0.001
Mpa
0.001M
pa
○
P7.26
Constant pressure
water supply
mode
0 Non-constant pressure water
supply mode
1 One pump constant pressure
water supply mode
2 Two pumps constant pressure
water supply mode
3 Three pumps constant
pressure water supply mode
4 Four pumps constant
pressure water supply mode
:
:
:
:
:
1
0
×
P7.27
Remote pressure
gauge range
0.001
20.000Mpa
～
0.001
Mpa
1.000M
pa
○
P7.28
Multi pump
operation mode
0 Fixed sequence switch
1 Timing of the rotation
:
:
1
0
○
P7.29
Rotation in timed
intervals
0.5
100.0H
～
0.1H
5.0H
○
P7.30
Pump switching
judgment time
0.1
～
1000.0s
0.1s
300.0s
○
P7.31
Electromagnetic
switching delay
time
0.1
～
10.0s
0.1s
0.5s
×
P7.32
PID Control of
positive and
negative role and
feedback pressure
error polarity
Unit’s digit:
0: PID forward action;
1: PID reverse action.
Ten’s digit :
0: The feedback pressure is
greater than the actual pressure;
1
00
×
Larson Electronics, LLC
Phone:
Fax: (903) 498-3364
www.larsonelectronics.com
31
of
52
VFD-1P-220.240-1HP-7A-DCM
(877) 348-9680
