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Value information field (VIF)
Provides information on multiplier and the unit of the following data block
Value information field extension (VIFE)
Detailed information on multiplier and the unit of the following data block
Data information field (DIF)
Specifies how the data should be interpreted by the master in terms of length and encoding
Data information field extension (DIFE)
Provides information on the tariff or subunits of the following data block
Reading meter
Query:
REQ_UD2
Response:
RSP_UD (see Telegram structure)
Telegram structure
0x68
0x38
0x38
02
ACC
STAT
0x04
Epa
0x02
0xFF
0x01
I
0xFF
0x01
Pr
Variable at 1, 2 or 4 bytes
Byte
Content
23 - 26
Eto=x
30 - 33
Epa=x
39 - 40
V=x
46 - 47
I=x
52 - 53
P=x
59 - 60
Pr=x
Unit with multiplier
Unit with multiplier
I I
(Current)
(Current)
U U
(Voltage)
(Voltage)
P P
(Power)
(Power)
active
active
P P
(Reactive Power)
(Reactive Power)
reactive
reactive
E E
(Consumption)
(Consumption)
0x68
0x08
PAdr
0
0
0x8c
0xFD
0xC9
0xFF
0x02
0xAC
0xFF
CSum
0x16
Type
4 b. BCD
4 b. BCD
2b. Integer
2b. Integer
2b. Integer
2b. Integer
0x72
ID
0xEE
0x10
0x04
Eto
0x01
V
0x02
0x01
P
0x82
Description
Energy total
Energy partial
Voltage
Current
Power
Reactive Power
0.1
0.1
1 1
0.01
0.01
0.01
0.01
0.01
0.01
0x21
DEV
0x8c
0x11
0xFD
0xDB
0x40
0xAC
[ A ]
[ A ]
[ V ]
[ V ]
[ kW ]
[ kW ]
[ kVAR ]
[ kVAR ]
[ kWh ]
[ kWh ]
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