Elvaco CMi4130, Руководство пользователя

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CMi413
0 User’s Manual English
CMi413
0 User’s Manual English
page | 13 (25) [2020-06]
V1.1
Figure 4: CMi4130 M-Bus message structure
For message format
JSON , the data is presented as ASCII.
Field Size Description
Message format
identifier 1 byte 0x0F = Standard
0x10 = Compact
0x11 = JSON
0x12 = Scheduled
– Daily redundant
0x13 = Scheduled - Extended
0x14 = Combined heat/cooling
Table 4: CMi4130 message formats
6.7.2 Structure and payload
In this section, a detailed description of the structure and payload for each message format is presented.
Standard
Figure 5 illustrates the structure of message format Standard . For a detailed description of the payload,
see Table 5.
Figure 5: Structure, message format Standard
DIB Field Size Data type Description
0 Message
format
identifier 1 byte - 0x0F (Standard)
1 Energy 6 bytes INT32 Energy consumption (Wh, J)
0403xxxxxxxx = xxxxxxxx Wh
0404xxxxxxxx = xxxxxxxx * 10 Wh
0405xxxxxxxx = xxxxxxxx * 100 Wh
0406xxxxxxxx = xxxxxxxx kWh
040Exxxxxxxx = xxxxxxxx MJ
040Fxxxxxxxx = xxxxxxxx * 10 MJ