User Manual

Energy management
M-Bus Communication Protocol for EM24 M1
10
Measurement Unit VIF VIFE
Watt*0.1
00101010b = 2Ah
-
Wh*100
00000101b = 05h
-
PRIMARY M-BUS CODES
Volt*0.1
11111101b = FDh 01001000b = 48h
EXTENSION OF PRIMARY M-BUS CODES
VAR*0.1
11111111b = FFh 00000001b = 01h
PF*0.001
11111111b = FFh 00000010b = 02h
Hz*0.1
11111111b = FFh 00000011b = 03h
VARh*100
11111111b = FFh 00000100b = 04h
VA*0.1
11111111b = FFh 00000111b = 07h
Hour*0.01
11111111b = FFh 00001001b = 09h
Wh(-)*100 (exported energy)
11111111b = FFh 00001011b = 0Bh
VARh(-)*100 (exported energy)
11111111b = FFh 00001100b = 0Ch
Watt L1*0.1
11111111b = FFh 00001101b = 0Dh
Watt L2*0.1
11111111b = FFh 00001110b = 0Eh
Watt L3*0.1
11111111b = FFh 00001111b = 0Fh
Wsys DMD*0.1
11111111b = FFh 00010000b = 10h
Wsys DMD max*0.1
11111111b = FFh 00010001b = 11h
Ampere L1*0.001
11111111b = FFh 00010010b = 12h
Ampere L2*0.001
11111111b = FFh 00010011b = 13h
Ampere L3*0.001
11111111b = FFh 00010100b = 14h
Ampere DMD max*0.001
11111111b = FFh 00010101b = 15h
Volt L1-N*0.1
11111111b = FFh 00010110b = 16h
Volt L2-N*0.1
11111111b = FFh 00010111b = 17h
Volt L3-N*0.1
11111111b = FFh 00011000b = 18h
Volt L1-L2*0.1
11111111b = FFh 00011001b = 19h
Volt L2-L3*0.1
11111111b = FFh 00011010b = 1Ah
Volt L3-L1*0.1
11111111b = FFh 00011011b = 1Bh
VA L1*0.1
11111111b = FFh 00011100b = 1Ch
VA L2*0.1
11111111b = FFh 00011101b = 1Dh
VA L3*0.1
11111111b = FFh 00011110b = 1Eh
VAsys DMD*0.1
11111111b = FFh 00011111b = 1Fh
VAsys DMD max*0.1
11111111b = FFh 00100000b = 20h
VAR L1*0.1
11111111b = FFh 00100001b = 21h
VAR L2*0.1
11111111b = FFh 00100010b = 22h
VAR L3*0.1
11111111b = FFh 00100011b = 23h
PF L1*0.001
11111111b = FFh 00100100b = 24h
PF L2*0.001
11111111b = FFh 00100101b = 25h
PF L3*0.001
11111111b = FFh 00100110b = 26h
Wh*100 PAR
11111111b = FFh 00100111b = 27h
VARh*100 PAR
11111111b = FFh 00101000b = 28h
EXTENSION OF M-BUS CODES
(Manufacturer Specific)
Colors:
= Primary M-Bus Codes
= Extension of Primary M-Bus Codes
= Manufacturer Specific
3 REVISIONS
This is the first release of the EM24 M1 (PFA, PFB & X models) communication protocol.