MBus protocol

Necessary prerequisites for compatibility between an Mbus meter and a Tyness opt Mbus card

Water meter :

The following information (VIF) must be found in the data available via a measurement data query.

VIF code (Value information field)

Description: volume
Coding: E001 0nnn
Range: 10(nnn-6) m3 which gives a unit ranging from 0.001l to 10000l

Calorimeter:

The following information (VIF) must be found in the data available via a measurement data query.

VIF code (Value information field)

Description : Energy (2 possibilités)
Coding: E000 0nnn
Range: 10(nnn-3) Wh which gives a unit ranging from 0.001Wh to 10000Wh
ou
Coding: E000 1nnn
Range: 10(nnn) J which gives a unit ranging from de 0.001kJ to 10000kJ

Description : volume
Coding: E001 0nnn
Range: 10(nnn-6) m3 which gives a unit ranging from 0.001l to 10000l

Description : Flow Temperature
Coding: E101 10nn
Range: 10(nn-3) °C which gives a unit ranging from 0.001°C to 1°C

Description : Return Temperature
Coding: E101 11nn
Range: 10(nn-3) °C which gives a unit ranging from 0.001°C to 1°C

Electricity meter:

The following information (VIF) must be found in the data available via a measurement data query.

VIF code (Value information field)

Description: Energy (2 possibilités)
Coding: E000 0nnn
Range: 10(nnn-3) Wh which gives a unit ranging from 0.001Wh to 10000Wh
ou
Coding: E000 1nnn
Range: 10(nnn) J which gives a unit ranging from 0.001kJ to 10000kJ

The following DIF codes are compatible with the Tyness opt Mbus card:

8 0001 8 Bit Integer
16 0010 16 Bit Integer
24 0011 24 Bit Integer
32 0100 32 Bit Integer
32 / N 0101 32 Bit Real
48 0110 48 Bit Integer
64 0111 64 Bit Integer