Holley mME DTZ541 - Lorawan Function; Meter Reading Message (MRM); Meter Reading Message Header (MRMHDR) Is Defined as

User Manual LoRaWAN mME DTZ541 Three-phase electricity meter
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10 LoRaWAN Function
This chapter describes the payload from the Holley LoRaWAN electricity meter. There are two
messages in the log, “Meter Reading Message” (MRM) is sent regularly by the meter and “Meter
Control Messages” (MCM) is sent by the LoRaWAN server.
10.1 Meter Reading Message (MRM)
Size (Byte)
1
[0 ..30]
Part
MRMHDR
content
10.1.1Meter Reading Message Header (MRMHDR) is defined as:
Bit#
7..6
5..1
0
part
execution
Identifier
State
Execution
execution Bits
description
00
LoRaWAN Meter Protocol V1
01..11
RFU
Identifier
Qualifier Bits
Counter types
description
00000
None (if only the status is send)
00111
mME-DTZ541
Data record-1 from the mME counter
01000
Data record-2 from the mME counter
01001 ... 11111
RFU