22
7.1 Overview of Parameters
Modbus
Address
Item Communicated
Range
Data Type
Unit
Data
Size
(Byte)
Read (R) /
Write (W)
0. System Parameter: 0001 ~ 00FF
1
Current date on meter
year: 00~99
month: 1~12
byte
year, month
2
R / W
2
day: 1~31,
week: Sun. – Sat.
byte
day, week
2
R / W
3
Current time on meter
hour: 00~24
minute: 00~60
byte
hour and
minute
2
R / W
4
second: 00~60
byte
second
1
R / W
5
Meter constant
3200
Uint
P/kWh
2
R
6
Meter model
0: None
1: DPM-C530A
byte
1
R
7
Total time on power
day: 0~65535
byte
day
2
R
8
hour: 00~24
minute: 00~60
byte
hour and
minute
1
R
9
Firmware version number
0.0000 ~ 9.9999
Uint
2
R
A
Last write-in date on firmware
year: 00~99
month : 1~12
byte
year, month
2
R
B
day: 1~31
byte
day
1
R
C
Positive and opposite phase
sequence
0: ABC
1: CBA
byte
1
R / W
D
Method of wiring for electric
system
0:
3φ4W
1:
3φ3W
2:
1φ2W
3:
1φ3W
byte
1
R / W
E
Value of current on primary-side
current transformer (A)
1 ~ 9999
Uint
2
R / W
F
Value of current on secondary-
side current transformer (A)
0: 1A
1: 5A
2: 2.5A
byte
1
R / W
10
Multiplier on primary-side
potential transformer
1 ~ 9999
Uint
2
R / W
11
Multiplier on secondary-side
potential transformer
1 ~ 9999
Uint
2
R / W
12
Quantity of Transformer
0
：
3CT3PT
1
：
3CT2PT
2
：
3CT0PT
3
：
2CT3PT
4
：
2CT2PT
5
：
2CT0PT
6
：
1CT3PT
7
：
1CT2PT
8
：
1CT0PT
9
：
0CT3PT
10
：
0CT2PT
11
：
0CT0PT
byte
1
R / W
13
Language
0: English
1: Traditional Chinese
2: Simplify Chinese
byte
1
R / W
14
Power-saving mode (second)
0~99
byte
sec
1
R / W
Parameters and Functions
