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Communication with M-Bus
2CMC48001M0201
231
A43/A44
Revision: C
User Manual
Read request for a specified date and channel number
A read request for a specified date and channel number is performed by sending
the following SND_UD to the meter followed by a REQ_UD2 (all values are hexa‐
decimal
).
Byte No.
Size
Value
Description
1
1
68
Start character
2
1
0D
L-field, calculated from C field to last user data
3
1
0D
L-field, repeated
4
1
68
Start character
5
1
53/73
C-field, SND_UD
6
1
xx
A-field, address
7
1
51
CI-field, data send, LSB first
8
1
02
DIF size, 2 byte integer
9
1
EC
VIF time point, date, M-Bus data type G
10
1
FF
VIFE next byte is manufacturer specific
11
1
F9
VIFE extension of manufacturer specific VIFE's, next VIFE
specifies actual meaning.
12
1
B8
VIFE specifying readout based on channel number
13
1
FF
VIFE next byte is manufacturer specific
14
1
xx
VIFE specifying data channel number
15-16
2
xxxx
Date (M-Bus data type G, LSB byte sent first)
17
1
xx
CS checksum, calculated from C field to last data
18
1
16
Stop character
Read request for a specified date, time and quantity
A read request for a specified date, time and quantity is performed by sending
the following SND_UD to the meter followed by a REQ_UD2 (all values are
hexa-decimal).
Byte No.
Size
Value
Description
1
1
68
Start character
2
1
0E
L-field, calculated from C field to last user data
3
1
0E
L-field, repeated
4
1
68
Start character
5
1
53/73
C-field, SND_UD
6
1
xx
A-field, address
7
1
51
CI-field, data send, LSB first
8
1
0E
DIF size, 12 digit BCD data
9
1
ED
VIF time point, date, M-Bus data type G
10
1
FF
VIFE next byte is manufacturer specific
Summary of Contents for A43
Page 1: ...A43 A44 User Manual ...
Page 40: ...Meter Settings A43 A44 40 2CMC48001M0201 User Manual Revision C ...
Page 55: ...Technical Description 2CMC48001M0201 55 A43 A44 Revision C User Manual ...
Page 58: ...Technical Description A43 A44 58 2CMC48001M0201 User Manual Revision C ...
Page 61: ...Technical Description 2CMC48001M0201 61 A43 A44 Revision C User Manual ...
Page 75: ...Technical Description 2CMC48001M0201 75 A43 A44 Revision C User Manual ...
Page 84: ...Measurement Methods A43 A44 84 2CMC48001M0201 User Manual Revision C ...
Page 91: ...Measurement Methods 2CMC48001M0201 91 A43 A44 Revision C User Manual ...
Page 95: ...Measurement Methods 2CMC48001M0201 95 A43 A44 Revision C User Manual ...
Page 102: ...Communication with Modbus A43 A44 102 2CMC48001M0201 User Manual Revision C ...
Page 107: ...Communication with Modbus 2CMC48001M0201 107 A43 A44 Revision C User Manual ...
Page 131: ...Communication with Modbus 2CMC48001M0201 131 A43 A44 Revision C User Manual ...
Page 147: ...Communication with Modbus 2CMC48001M0201 147 A43 A44 Revision C User Manual ...
Page 154: ...Communication with Modbus A43 A44 154 2CMC48001M0201 User Manual Revision C ...
Page 157: ...Communication with Modbus 2CMC48001M0201 157 A43 A44 Revision C User Manual ...
Page 161: ...Communication with Modbus 2CMC48001M0201 161 A43 A44 Revision C User Manual ...
Page 166: ...Communication with Modbus A43 A44 166 2CMC48001M0201 User Manual Revision C ...
Page 180: ...Communication with M Bus A43 A44 180 2CMC48001M0201 User Manual Revision C ...
Page 182: ...Communication with M Bus A43 A44 182 2CMC48001M0201 User Manual Revision C ...
Page 188: ...Communication with M Bus A43 A44 188 2CMC48001M0201 User Manual Revision C ...
Page 195: ...Communication with M Bus 2CMC48001M0201 195 A43 A44 Revision C User Manual ...
Page 254: ...Communication with M Bus A43 A44 254 2CMC48001M0201 User Manual Revision C ...
Page 257: ...Communication with M Bus 2CMC48001M0201 257 A43 A44 Revision C User Manual ...