External commands mode
page 2/ 4
Line No. Value
There is no need to change settings on the product when using Modbus
communication
•
list of the most used modbus points
Configure DHW comfort mode (R/W)
Modbus address
191 (OxBF)
Temperature in tenths of
a degree
e.g.: 500 (0x01F4) for
50°C
Configure DHW reduced mode (Eco)
(R/W)
Modbus address
192 (OxC0)
Temperature in tenths of
a degree
e.g.: 500 (0x01F4) for
50°C
DHW T° (Read only)
Modbus address
194 (OxC2)
Temperature in tenths of
a degree
e.g.: 500 (0x01F4) for
50°C
DHW status (Read only)
Modbus address
196 (OxC4)
To modify the DHW temperature setpoints via the Modbus bus
Page 78 / 104
00U07337760-A
DORCHESTER DR-SG -
Installation, Operation and Maintenance