WEG MMW03-M22CH, User Manual

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Energy Analyzer - MMW03-M22CH | 29
4 RS485 COMMUNICATION
4.1 READABLE AND WRITABLE DATA
The following functions are supported:
„
Function 03H: This function reads the readable addresses in the modbus table.
„
Function 10H: This function writes to the writable addresses in the modbus table.
Specifications:
„
R / W : Can read and write the value in this address.
„
RO : Can only read the value in this address.
„
WO : Can only write to this address.
„
float : 32 bit floating number.
Related modbus table is given below:
Adress Parametre Type Read / Write Write Condition
Faz 1 Basic Measurements
0 Phase 1 Voltage (L-N) float RO
2 Phase 1-2 Voltage (L-L) float RO
4 Phase 1 Current float RO
6 Phase 1 Cos
φ
float RO
8 Phase 1 Power Factor float RO
10 Phase 1 Active Power float RO
12 Phase 1 Reactive Power float RO
14 Phase 1 Apparent Power float RO
16 Phase 1 THDV float RO
18 Phase 1 THDI float RO
Phase -2 Basic Measurements
20 Phase 2 Voltage (L-N) float RO
22 Phase 2-3 Voltage (L-L) float RO
24 Phase 2 Current float RO
26 Phase 2 Cos
φ
float RO
28 Phase 2 Power Factor float RO
30 Phase 2 Active Power float RO
32 Phase 2 Reactive Power float RO
34 Phase 2 Apparent Power float RO
36 Phase 2 THDV float RO
38 Phase 2 THDI float RO
Phase -3 Basic Measurements
40 Phase 3 Voltage (L-N) float RO
42 Phase 3-1 Voltage (L-L) float RO
44 Phase 3 Current float RO
46 Phase 3 Cos
φ
float RO
48 Phase 3 Power Factor float RO
50 Phase 3 Active Power float RO
52 Phase 3 Reactive Power float RO
54 Phase 3 Apparent Power float RO
56 Phase 3 THDV float RO
58 Phase 3 THDI float RO
Common Measurements (Phase-1, Phase-2, Phase-3)
60 Average Voltage (L-N) float RO
62 Average Voltage (L-L) float RO
64 Total Current float RO
66 System Power Factor float RO
68 Total Active Power float RO
70 Total Reactive Power float RO
72 Total Apparent Power float RO
74 System Frequency float RO
76 Neutral Current float RO