Instructions
ECL Comfort 210 / 310, communication description
Table of Contents
1.
Introduction ............................................................................................................................................................................2
2.
ECL 210/310 communication interfaces ...............................................................................................................................3
3.
USB service port ......................................................................................................................................................................4
3.1
USB driver installation ........................................................................................................................................................................................................4
4.
RS-485 Modbus .......................................................................................................................................................................5
4.1
RS-485 network description .............................................................................................................................................................................................6
5.
Modbus/TCP, Ethernet description .......................................................................................................................................8
5.2
Static IP address....................................................................................................................................................................................................................8
5.3
Dynamic IP address .............................................................................................................................................................................................................9
5.4
Ethernet network example ...............................................................................................................................................................................................9
6.
ECL 210/310 Modbus description....................................................................................................................................... 11
6.1
Modbus address ................................................................................................................................................................................................................ 11
6.2
RS-485 Baud rate ............................................................................................................................................................................................................... 11
6.3
RS-485 Bias/polarization ................................................................................................................................................................................................. 12
6.4
Mode and status ................................................................................................................................................................................................................ 12
6.5
Heat curve............................................................................................................................................................................................................................ 12
6.6
Time and date..................................................................................................................................................................................................................... 13
6.7
Rules for schedule adjustment..................................................................................................................................................................................... 14
6.8
Anti-bacteria ....................................................................................................................................................................................................................... 15
6.9
Holiday .................................................................................................................................................................................................................................. 16
6.10
Alarm...................................................................................................................................................................................................................................... 17
6.11
Energy meter data, M-bus (from version 1.10) ....................................................................................................................................................... 17
6.12
System information parameters .................................................................................................................................................................................. 19
6.13
System commands ........................................................................................................................................................................................................... 21
6.14
Output status, Manual output status and Output override .............................................................................................................................. 21
6.15
Configurable input ........................................................................................................................................................................................................... 22
6.16
Unit and pulse .................................................................................................................................................................................................................... 24
7.
Modbus protocol ................................................................................................................................................................. 25
7.1
Function codes................................................................................................................................................................................................................... 25
7.2
Broadcasts............................................................................................................................................................................................................................ 27
7.3
Error codes........................................................................................................................................................................................................................... 27
7.4
Modbus/TCP........................................................................................................................................................................................................................ 27
8.
ECL 485 bus description ...................................................................................................................................................... 28
8.1
Installation of the ECL 485 network............................................................................................................................................................................ 28
9.
Appendix .............................................................................................................................................................................. 30
9.1
References............................................................................................................................................................................................................................ 30
9.2
Definitions and Abbreviations...................................................................................................................................................................................... 30
9.3
Energy meter type descriptions................................................................................................................................................................................... 31
9.4
Good behavior in designing a district heating Modbus network ................................................................................................................... 33
9.5
Parameter list (PNU list) .................................................................................................................................................................................................. 35
9.6
Revision History ................................................................................................................................................................................................................. 53
Danfoss District Energy
VI.LG.V3.02
DEN-SMT/DK
1
