Unit Id 3: Vaillant Geotherm/3 Auxiliary Heater; Input Registers (R); Holding Registers (R/W); Unit Id 4 - 9: Vaillant Vr60 Heating Circuit 4 - 9 - ISE smart connect Modbus Vaillant Product Manual

4.5.3

Unit ID 3: Vaillant geoTHERM/3 auxiliary heater

4.5.3.1

Input Registers (R)

Addr. Name
1-2 Backup commutations
3-4 Backup heater operating
hours
5 Backup heater output
4.5.3.2

Holding Registers (R/W)

Addr. Name
6 Backup hysteresis
7 Energy integral since
backup heater started
8 Bivalent temperature
9 Backup heater mode for
CH
10 backup heater mode for
DHW
Unit ID 4 – 9: Vaillant VR60 heating circuit 4 – 9
4.5.4
4.5.4.1 Input Registers (R)
Addr. Name
1 eBUS error
2 eBUS last error
3 VF2 flow temperature
sensor state
4 VF2 flow temperature
sensor value
5 Mixer activation
6 Heating circuit
pump status
Order No. S-0002-007
Datatype
uint32_t
uint32_t
status
Datatype
uint16_t
int16_t
int16_t
backup
backup
Datatype
eBusErrorState
eBusError
sensorState
int16_t
mixerDutyState
status
ise smart connect Modbus Vaillant
Polling Range
interval
[min]
60
60
2
Polling Range
interval
[min]
1 – 20
2
-740 – -50
2
-9 – 10
2
2
2
Polling Range
interval
[min]
2
-2048 –
2
2048
2
2
Product Manual Page 20 (45)
Modbus TCP/IP
Reso- Unit
lution
h
Reso- Unit
lution
K
°min
°C
Reso- Unit
lution
°C