Danfoss ECL Comfort 210 Instructions Manual

Danfoss ECL Comfort 210 Instructions Manual

Communication description
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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
1
DEN-SMT/DK

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Summary of Contents for Danfoss ECL Comfort 210

  • Page 1: Table Of Contents

    Instructions ECL Comfort 210 / 310, communication description Table of Contents Introduction ....................................2 ECL 210/310 communication interfaces ..........................3 USB service port ..................................4 USB driver installation ........................................4 RS-485 Modbus ..................................5 RS-485 network description ......................................6 Modbus/TCP, Ethernet description ............................8 Static IP address............................................8 Dynamic IP address ..........................................9...
  • Page 2: Introduction

    Instructions ECL Comfort 210 / 310, communication description 1. Introduction This document describes the various communication possibilities built into the ECL 210 and ECL 310 product family. The initial sections describe the main communication interfaces and their specific properties. The following describes Modbus specific implementations.
  • Page 3: Ecl 210/310 Communication Interfaces

    Instructions ECL Comfort 210 / 310, communication description 2. ECL 210/310 communication interfaces There are three communication interfaces for the ECL 210/310.  USB service port, Modbus RTU with relaxed timing (non Modbus standard)  RS-485 Modbus RTU, ECL 310 with galvanic isolation ...
  • Page 4: Usb Service Port

    Instructions ECL Comfort 210 / 310, communication description 3. USB service port The USB service port implements a Communication Device SCADA system: Class (CDC) that allows Windows PCs to recognize the ECL Connected via Danfoss 210/310 as a Virtual Serial Port, giving functionality of a point- Modbus OPC server to-point Modbus RTU communication with the ECL.
  • Page 5: Rs-485 Modbus

    Instructions ECL Comfort 210 / 310, communication description 4. RS-485 Modbus The figure illustrates what a Modbus network might look like. TCP/IP, USB or RS-232 to RS-485 (Modbus) ECL Comfort 310 as of version 1.10 M-Bus connection Heat meter Figure 4.1: Modbus network overview Danfoss District Energy VI.LG.V3.02...
  • Page 6: Rs-485 Network Description

    Instructions ECL Comfort 210 / 310, communication description 4.1 RS-485 network description The network used for this module is conditionally compliant (implementation class = basic) with the Modbus over serial line two-wire RS-485 interface. The module uses the RTU transmission mode. Devices are connected directly to the network, i.e.
  • Page 7 Instructions ECL Comfort 210 / 310, communication description Figure 4-3 illustrates some network layouts that will not work properly. Figure 4-3: Examples of unusable network layouts 4.1.2 Installing a Modbus network It is recommended that all of the devices on a network are installed sequentially to ensure that they will not conflict with each other.
  • Page 8: Modbus/Tcp, Ethernet Description

    Instructions ECL Comfort 210 / 310, communication description 5. Modbus/TCP, Ethernet description The ECL 310 has a Modbus/TCP communication interface that allows the ECL to be connected to an Ethernet network. This Security Note: allows remote access to the ECL 310 controller based on standard communication infrastructures.
  • Page 9: Dynamic Ip Address

    Instructions ECL Comfort 210 / 310, communication description 5.3 Dynamic IP address If the ECL 310 is connected to a router that uses a dynamic Internet IP address, a Dynamic DNS (Domain Name System) service can be used to make the installation addressable from a URL name in stead of an IP address.
  • Page 10 Instructions ECL Comfort 210 / 310, communication description In order to contact the controllers on the local area network from the internet it is necessary for the router to perform a port translation. Table 5-1 lists the addresses on the network. The “Local address”...
  • Page 11: Ecl 210/310 Modbus Description

    Instructions ECL Comfort 210 / 310, communication description 6. ECL 210/310 Modbus description This section describes the overall ECL 210/310 Modbus communication interface. Parameter naming The parameters are overall divided into two functional sections, the application – and system parameters.
  • Page 12: Rs-485 Bias/Polarization

    Instructions ECL Comfort 210 / 310, communication description 6.3 RS-485 Bias/polarization Biasing/polarization on the RS-485 Modbus network is necessary for the bus to operate properly. It can be controlled by writing 0 (disable, this is default) / 1 (enable) to PNU 2049.
  • Page 13: Time And Date

    Instructions ECL Comfort 210 / 310, communication description The minimum value for the parameters in Table 6-3 is 10 °C and the maximum value is 150 °C. It is possible to set the flow temperature higher than the maximum flow temperature setting (default 90 °C) but the flow temperature will still be capped by the...
  • Page 14: Rules For Schedule Adjustment

    Instructions ECL Comfort 210 / 310, communication description Summer time rules The rules for summer time change are the EU rules for central Europe. If the automatic summer time is enabled, the hour in which the clock is set forward is not a valid time. If the time is changed from 02:00 to 03:00, the time between 02:00 and 03:00 cannot be valid.
  • Page 15: Anti-Bacteria

    Instructions ECL Comfort 210 / 310, communication description For circuit 2 add 100 to the addresses in Table 6-5 and for circuit 3 add 200 to the addresses in Table 6-5. Example: The schedule for Tuesday is P1 starts at 6:30 and stops at 08:00, P2 starts at 16:30 and ends 22:00 and P3 is not active.
  • Page 16: Holiday

    Instructions ECL Comfort 210 / 310, communication description Table 6-7: Setting Value Address (if DHW is circuit 2) 0-127 12122 Start time 0-47 12123 Duration [m] 10-600 12124 Desired temperature [°C] 9-110 12125  The anti-bacteria function is not active if the frost protection mode is active.
  • Page 17: Alarm

    The ECL 310 allows communication with up to 5 energy meters via M-bus. The M-bus readout is based on the EN-1434 standard. Danfoss recommends that AC supplied energy meters are used for M-bus communication. Use of a battery supplied energy meter will normally shorten the battery life-time.
  • Page 18 Instructions ECL Comfort 210 / 310, communication description PNU offset Description Default Address 255, 1 – 250 are valid Type 0 : Generic small data set, small units 1: Generic small data set, large units 2: Generic large data set, small units...
  • Page 19: System Information Parameters

    Instructions ECL Comfort 210 / 310, communication description 6.11.1 Installation process The ECL 310 will NOT automatically search for M-bus devices. The M-bus addresses can either be set directly (PNU offset 0, e.g. 6000) or the ECL 310 can search for devices via the ECL display examples: “SCAN”...
  • Page 20 Instructions ECL Comfort 210 / 310, communication description Software no. PNU 35 holds the software version number. It is returned as a 2-  Software byte number where the first byte is the major version number and  the second byte is the minor version number.
  • Page 21: System Commands

    Instructions ECL Comfort 210 / 310, communication description ECA extension Serial number, code number, software version and hardware Parameter version can be read for an attached ECA 32 or ECA 33 module. extension Serial no. 2100-2101 The formats are just as for the ECL controller.
  • Page 22: Configurable Input

    Instructions ECL Comfort 210 / 310, communication description 6.14.2 Manual status (read only) Manual status can be read in PNU 4020 – 4031 (Triac 1, Triac 2, ..., relay 6). For 3-point motorized control valve value output, the first PNU holds the value, e.g.
  • Page 23 Instructions ECL Comfort 210 / 310, communication description Table 6-10: Sensor S11* S12* 4100 4101 4102 4103 4104 4105       Type: 1 = Pt1000       Type: 2 = 0-10 V ADC ...
  • Page 24: Unit And Pulse

    Instructions ECL Comfort 210 / 310, communication description Table 6-13: Sensor 4126 4127 4128 4129 4130 4131       Option: 0 = None       Option: 1 = Pull up  ...
  • Page 25: Modbus Protocol

    Instructions ECL Comfort 210 / 310, communication description 7. Modbus protocol The ECL 210/310 controllers are Modbus compliant devices. The controller supports a number of public function codes. The Modbus application data unit (ADU) is limited to 240 bytes. Supported public function codes...
  • Page 26 Instructions ECL Comfort 210 / 310, communication description 7.1.1.2 Read parameters (0x04) This function is used to read the value of an ECL Comfort parameter number. Values are always returned as integer values and must be scaled according to the parameter definition.
  • Page 27: Broadcasts

    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 ...
  • Page 28: Ecl 485 Bus Description

    The ECL 485 bus is used to connect ECL 210, ECL 310 and ECA 30/31 with each other in a master/slave system. The master/slave communication exchanges information Only Danfoss District Energy products developed for the ECL 485 bus can be used. between the devices, e.g. time and date, outdoor temperature, refill request etc.
  • Page 29 Instructions ECL Comfort 210 / 310, communication description 8.1.2 Recommended installation sequence Before starting the electrical wiring and installation, it is recommended that a network plan is made which specifies ECL 485 address. If the ECL controllers are to be used in a SCADA system, it is also recommended to include the network plan.
  • Page 30: Appendix

    Instructions ECL Comfort 210 / 310, communication description 9. Appendix 9.1 References http://www.Modbus.org/ Modbus homepage The Modbus standards can be downloaded from here 9.2 Definitions and Abbreviations Description Software Hardware Human Machine Interface ECL 210 or ECL 310 B type...
  • Page 31: Energy Meter Type Descriptions

    Instructions ECL Comfort 210 / 310, communication description 9.3 Energy meter type descriptions The following shows the possible types and the related values. Note that some energy meter only support a limited number of parameters. The type 0 & 1 values should be supported by most energy meters.
  • Page 32 Instructions ECL Comfort 210 / 310, communication description "PNU offset" Type 2 Type 3 Address Address Type Type Scan time Scan time ID / Serial ID / Serial - low part - low part Reserved Reserved Flow temp. [0,01 °C] Flow temp.
  • Page 33: Good Behavior In Designing A District Heating Modbus Network

    Instructions ECL Comfort 210 / 310, communication description 9.4 Good behavior in designing a district heating Modbus network In this chapter some basic design recommendations are listed. These recommendations are based on communication in heating systems. This chapter is built as an example of a network design. The example can vary from a specific application. The typical requirement in heating systems is to get access to a number of similar components and to be able to make a few adjustments.
  • Page 34 Instructions ECL Comfort 210 / 310, communication description 9.4.4 Parallel network If a large number of controllers is used in a limited area with a limited length of the communication cable, parallel network might be a way to generate more bandwidth.
  • Page 35: Parameter List (Pnu List)

    Instructions ECL Comfort 210 / 310, communication description 9.5 Parameter list (PNU list) The parameter list is an overall description of possible parameters. The actual available parameters depend on the used application, e.g. A266.1 contains more parameters than the A230.1 application.
  • Page 36 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Alarm Context #21 1060 Alarm Context #22 1061 Alarm Context #23 1062 Alarm Context #24 1063 Alarm Context #25 1064 Alarm Context #26 1065 Alarm Context #27...
  • Page 37 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Schedule PNU 3110 - 3675 Schedule Monday circuit X period 1 start Monday P1 ON 3110 Schedule Monday circuit X period 1 stop Monday P1 OFF...
  • Page 38 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Output Output bit mask High word (digital outputs) 3998 Output bit mask Low word (digital outputs 3999 Manual status, Triac 1 4020 Manual status, Triac 2...
  • Page 39 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Override values - reserve start 4080 … … Override value, ECA32 AO1 4096 Override value, ECA32 AO2 4097 Override value, ECA32 AO3 4098 … Override values - reserve end...
  • Page 40 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale M-bus M-bus - common Baud rate 5997 Command request 5998 State 5999 M-bus Energy meter 1 Address 6000 Type 6001 Scan time 6002 ID / Serial...
  • Page 41 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Raw sensor 1 10201 Raw sensor 2 10202 Raw sensor 3 10203 Raw sensor 4 10204 Raw sensor 5 10205 Raw sensor 6 10206 Raw sensor 7...
  • Page 42 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Alarm group contains 20 PNU's can be placed at 10600, 116x0, 126x0, 136x0 Pressure 10600 Voltage 10601 Temperature 10602 Digital 10603 -res 10604 -res 10605 -res...
  • Page 43 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Hol_End_Month_P4 10726 Hol_End_Year_P4 10727 Hol_Status_P5 Holiday program 5 10728 Hol_Start_Day_P5 10729 Hol_Start_Month_P5 10730 Hol_Start_Year_P5 10731 Hol_End_Day_P5 10732 Hol_End_Month_P5 10733 Hol_End_Year_P5 10734 Hol_Status_P6 Holiday program 6 10735...
  • Page 44 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Hol_Status_P12 Holiday prog. 12 10777 Hol_Start_Day_P12 10778 Hol_Start_Month_P12 10779 Hol_Start_Year_P12 10780 Hol_End_Day_P12 10781 Hol_End_Month_P12 10782 Hol_End_Year_P12 10783 Hol_Status_P13 Holiday prog. 13 10784 Hol_Start_Day_P13 10785 Hol_Start_Month_P13 10786...
  • Page 45 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Hol_Status_P19 Holiday prog. 19 10826 Hol_Start_Day_P19 10827 Hol_Start_Month_P19 10828 Hol_Start_Year_P19 10829 Hol_End_Day_P19 10830 Hol_End_Month_P19 10831 Hol_End_Year_P19 10832 Hol_Status_P20 Holiday prog. 20 10833 Hol_Start_Day_P20 10834 Hol_Start_Month_P20 10835...
  • Page 46 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Master/slave Pump demand 11050 Valve or pump function 11051 DHW prior. 11052 Primary secondary placed 11053 Continue regulation 11054 DHW Circulation Priority 11055 Wind_Gain_Min 11056 Wind_Gain_Max...
  • Page 47 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Ext. input 11141 Ext. mode 11142 Alarm Clear 11146 Upper difference 11147 Lower difference 11148 Delay 11149 Cut off temp. 11150 Max DHW load temperature 11152...
  • Page 48 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale High_Signal_X2 11300 High_Setpoint_Y2 11301 Low_Signal_X1 11302 Low_Setpoint_Y1 11303 Retry Time Two pump control 11310 TP_Day_Value Two pump control 11311 TP_Hour_Value Two pump control 11312 Stabilization Time...
  • Page 49 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Alarm value 11636 Alarm timeout 11637 P exercise 12022 M exercise 12023 Pre stop 12026 Limit 12030 Infl. - max. 12035 Infl. - min. 12036 Adapt. time...
  • Page 50 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Flow_Energy_Input_Type 12109 Flow_Energy_actual 12110 Flow_Energy_Limit 12111 Flow_Energy_Intr.gr 12112 Flow_Energy_Filter_Value 12113 Flow_Energy_Impuls 12114 Flow_Energy_Unit 12115 Flow_Energy_High_Limit_Y2 12116 Flow_Energy_Low_Limit_Y1 12117 Flow_Energy_Low_Tout_X2 12118 Flow_Energy_High_Tout_X1 12119 Day_Anti_Bact 12122 Start_Anti_Bact 12123...
  • Page 51 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale High_Signal_X2 12300 High_Setpoint_Y2 12301 Low_Signal_X1 12302 Low_Setpoint_Y1 12303 Retry Time Two pump control 12310 TP_Day_Value Two pump control 12311 TP_Hour_Value Two pump control 12312 Stabilization Time...
  • Page 52 Instructions ECL Comfort 210 / 310, communication description ECL Comfort Parameter Description Access Scale Flow_Energy_Input_Type 13109 Flow_Energy_actual 13110 Flow_Energy_Limit 13111 Flow_Energy_Intr.gr 13112 Flow_Energy_Filter_Value 13113 Flow_Energy_Impuls 13114 Flow_Energy_Unit 13115 Flow_Energy_High_Limit_Y2 13116 Flow_Energy_Low_Limit_Y1 13117 Flow_Energy_Low_Tout_X2 13118 Flow_Energy_High_Tout_X1 13119 Day_Anti_Bact 13122 Start_Anti_Bact 13123...
  • Page 53: Revision History

    Instructions ECL Comfort 210 / 310, communication description 9.6 Revision History Version Date Description 2010-11-15 Initial release 2011-03-21 Minor corrections 2011-08-20 Correction to schedule description and minor additions Produced by Danfoss A/S © 08/2011 Danfoss District Energy VI.LG.V3.02 DEN-SMT/DK...

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