Diehl LoRaWAN CMi4160, User Manual

Page: 15 / 24

CMi4160
– LoRaWAN
®
Module
15 02/2021
Figure 8: Structure, message format Scheduled
– daily redundant
DIB Field Size Data type Description
0 Message
format
identifier
1 byte - 0x21 (Scheduled-daily redundant)
1 Energy 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 Volume 6 bytes INT32 Volume (m 3 )
0413xxxxxxxx = xxxxxxxx * 0.001 m
3
0414xxxxxxxx = xxxxxxxx * 0.01 m 3
0415xxxxxxxx = xxxxxxxx * 0.1 m 3
0416xxxxxxxx = xxxxxxxx m 3
0417xxxxxxxx = xxxxxxxx * 10 m 3
3 Meter
address
10 bytes According to
M-Bus
EN13757-3
identification
field
Meter address
Byte 0-1 = DIF/VIF code
Byte 2-5 = Meter ID, BCD8
Byte 6-7 = Meter manufacturer
Byte 8 = Meter version
Byte 9 = Device type
4 Error flags 4 bytes INT8 Error and warning flags
01FD17xx
For further information about Error
flags please refer to the meter’s user
guide
5 Meter
date/time 6 bytes INT32 Meter date and time (YY-MM-DD
HH:MM)
046Dxxxxxxxx
Bit 31-28 = Year-high*
Bit 27-24 = Month
Bit 23-21 = Year-low*
Bit 20-16 = Day
Bit 15 = Summertime flag**
Bit 12-8 = Hour
Bit 7 = Error flag***
Bit 6 = Reserved for future use***
Bit 5-0 = Minute