Modbus Tcp/Ip Unit Ids; Modbus Registers; Unit Id 1: Vaillant Geotherm/3; Input Registers (R) - ISE smart connect Modbus Vaillant Product Manual

4.4

Modbus TCP/IP unit IDs

The Modbus TCP/IP gateway manages the following unit IDs:
Unit ID Description
1 Vaillant geoTHERM/3
2 Vaillant geoTHERM/3 domestic hot water
3 Vaillant geoTHERM/3 auxiliary heater
4 Vaillant VR60 heating circuit 4
5 Vaillant VR60 heating circuit 5
6 Vaillant VR60 heating circuit 6
7 Vaillant VR60 heating circuit 7
8 Vaillant VR60 heating circuit 8
9 Vaillant VR60 heating circuit 9
12 Vaillant VR90 heating circuit 2
14 Vaillant VR90 heating circuit 4
15 Vaillant VR90 heating circuit 5
16 Vaillant VR90 heating circuit 6
17 Vaillant VR90 heating circuit 7
18 Vaillant VR90 heating circuit 8
4.5

Modbus Registers

4.5.1

Unit ID 1: Vaillant geoTHERM/3

4.5.1.1

Input Registers (R)

Addr. Name
1 eBUS error
2 eBUS last error
3 Air brine outlet
temperature sensor state
4-5 Air brine outlet
temperature sensor value
6 Brine inlet
temperature sensor state
7-8 Brine inlet
temperature sensor value
9 Environment circuit:
Pressure sensor state
10-11 Environment circuit:
Pressure sensor value
12 Status fan / brine pump
13-14 Compressor starts
15-16 Compressor operating
hours
17 Compressor is running
18 Pressure compressor high
sensor state
19-20 Pressure compressor high
sensor value
Order No. S-0002-007
Datatype
eBusErrorState
eBusError
sensorState
IEEE 754 single float 2
sensorState
IEEE 754 single float 2
sensorState
IEEE 754 single float 2
status
uint32_t
uint32_t
status
sensorState
IEEE 754 single float 2
ise smart connect Modbus Vaillant
Polling Range
interval
[min]
-
-
2
-2048.0 –
2047.9
2
-2048.0 –
2047.9
2
0 – 65.5
2
60
60
2
2
0 – 65.5
Product Manual Page 17 (45)
Modbus TCP/IP
Reso- Unit
lution
0.1 °C
0.1 °C
0.1 bar
h
0.1 bar