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
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