Instructions
ECL Comfort 210 / 310, communication description
7.2
Broadcasts
The modules support Modbus broadcast messages (unit
address = 0).
Command/function where a broadcast is usable
Write ECL parameter (0x06)
7.3
Error codes
For specific details, please consult the specifications
Modbus Application Protocol V1.1a.
Modbus over Serial Line, Specification & Implementation
guide V1.0
both of which can be found on
http://www.Modbus.org/
7.4
Modbus/TCP
The ECL 310 supports Modbus over TCP connections so that it
is possible to send and receive Modbus commands over an
Ethernet network. The Modbus traffic must be sent to port
502.
Danfoss District Energy
VI.LG.V3.02
DEN-SMT/DK
27