Elvaco CMi4140, User Manual

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CMi414
0 User’s Manual English
CMi414
0 User’s Manual English
page | 14 (26) [2020-06]
V1.1
Figure 3: Structure, message format Compact
DIB Field Size Data type Description
0 Message
format
identifier 1 byte - 0x16 (Compact)
1 Heat
energy
E1 /
Cooling
energy
E3 6-7 bytes INT32
Energy consumption (Wh, J, Cal)
0403xxxxxxxx = xxxxxxxx Wh
0404xxxxxxxx = xxxxxxxx * 10 Wh
0405xxxxxxxx = xxxxxxxx * 100 Wh
0406xxxxxxxx = xxxxxxxx kWh
0407xxxxxxxx = xxxxxxxx * 10 kWh
040Exxxxxxxx = xxxxxxxx MJ
040Fxxxxxxxx = xxxxxxxx * 10 MJ
04FB0Dxxxxxxxx = xxxxxxxx MCal
04FB0Exxxxxxxx = xxxxxxxx * 10 MCal
04FB0Fxxxxxxxx = xxxxxxxx * 100 MCal
2 Meter ID 6 bytes According to M-Bus
EN13757-3 identification
field Meter ID
0C78xxxxxxxx
3 Info bits 7 bytes INT32 Error and warning flags
04FD17xxxxxxxx
For further information about Info bits please
refer to the meter’s manual
Table 7: Payload, message format Compact
JSON
For message format JSON , the data is presented in a plain text format. Table 8 provides a description of
all fields included in the telegram.
Field Description
Message format
identifier 0x17 (Message format JSON )
Energy Energy consumption
Unit Unit of energy consumption (Wh, kWh, MWh, GWh,
J, kJ, MJ, GJ, Cal, kCal, MCal or GCal)
Meter ID Identification number of the meter in which the
module is mounted.
Table 8: Fields, message format JSON
An example of a telegram for message format
JSON is presented below:
Figure 4: JSON message example
Scheduled mode
{"E":12345678,"U":"kWh","ID":87654321}