Connection and addressing notes
- Protocol
- Modbus RTU
- Device role
- slave module
- PDU address region
- 0-168, byte addressed
- 32-bit value size
- 4 bytes
- Next register after a 32-bit value
- address +4
- Value types
- IEEE float 32 bit, word 16 bit, double word 32 bit
- Values
- static or dynamic
Registers in the map: 26. function 3 (holding registers). byte order big-endian. data types: dword, single, word.
| MODBUS offset | Description | Units | Data type | Scale |
|---|---|---|---|---|
| 84 | Version | word | ||
| 144 | Meter type | dword | ||
| 148 | Meter number 1 | dword | ||
| 152 | Serial number | dword | ||
| 156 | Program number | dword | ||
| 0 | Heat energy E1 | single | ||
| 4 | Actual flow | single | ||
| 8 | Volume V1 | single | ||
| 12 | Actual power | single | ||
| 16 | Inlet temperature T1 | single | ||
| 20 | Outlet temperature T2 | single | ||
| 24 | Pulse input A | single | ||
| 28 | Pulse input B | single | ||
| 32 | Heat energy E1 | dword | ||
| 86 | Info code | word | ||
| 92 | Cooling energy E3 | single | ||
| 96 | Volume V2 | single | ||
| 100 | Temperature T3 | single | ||
| 124 | Max power | single | ||
| 128 | Tarif 2 | single | ||
| 132 | Tarif 3 | single | ||
| 136 | Tarif limit 2 | single | ||
| 140 | Tarif limit 3 | single | ||
| 160 | Cong number 1 | dword | ||
| 164 | Cong number 2 | dword | ||
| 168 | Hour counter | dword |