4
20.
Voltage Insulation: dc 2500V; 1 minute;
21.
Temperature Drift: 100 PPM;
22.
Output Ripple: 10mV;
23.
Mounting: DIN Rail 35mm Mounting;
Communication Protocol
Order
Register
Address
Content Meaning
Byte
1 0
2 1
E Active
Energy
4
3 2
4 3
R Reactive
Energy
4
5 4 Psum
Total
Active
Power
2
6
5
Qsum
Total Reactive Power
2
7
6
Csum
Total Power Factor
2
8 7 Ssum
Total
Apparent
Power
2
9 8 Ua A
Phase
Voltage
2
10 9 Ub B
Phase
Voltage
2
11 10 Uc C
Phase
Voltage
2
12 11 Uca CA
Line
Voltage
2
13 12 Uab AB
Line
Voltage
2
14 13 Ubc BC
Line
Voltage
2
15
14
Ia
A Phase Current
2
16
15
Ib
B Phase Current
2
17
16
Ic
C Phase Current
2
18 17 Pa A
Phase
Active
Power
2
19 18 Pb B
Phase
Active
Power
2
20 19 Pc C
Phase
Active
Power
2
21
20
Qa
A Phase Reactive Power
2
22
21
Qb
B Phase Reactive Power
2
23
22
Qc
C Phase Reactive Power
2
24
23
Ca
A Phase Power Factor
2
25
24
Cb
B Phase Power Factor
2
26
25
Cc
C Phase Power Factor
2
27
26
Sa
A Phase Apparent Power
2
28
27
Sc
B Phase Apparent Power
2
29
28
Sc
C Phase Apparent Power
2
Note 1: Output parameters of WB9128-1 power transducer can be selected by the User. Its default settings of
address is 1, baud rate is 9600 bps and 1 stop bit. If the user needs other settings of communication address, baud
rate, system types, output parameters and output specifications, WB9128-1 can be configured by configuration
software, please refer to
《
WB9128-1 upper computer user configuration manual
》
。
Mianyang Weibo Electronics Co.,Ltd
www.wb-my.com
4
