To read temperature register values over Modbus/TCP from the Barionet add
a request for “04 Read Input registers”. The offset 601 means it will start with
Modbus register 601 (Barionet register for the first temperature sensor), the
length 1 defines that only one register will be read.
BARIX AG | 17. Oct. 2013 | Barionet Hands-on Training Guide | Page 35/38