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087H3803
Danfoss 087H3803 Instructions
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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
DEN-SMT/DK
5
4
6
Table of Contents
Default Chapter
1
Table of Contents
1
1 Introduction
2
2 ECL 210/310 Communication Interfaces
3
3 USB Service Port
4
USB Driver Installation
4
4 RS-485 Modbus
5
RS-485 Network Description
6
5 Modbus/Tcp, Ethernet Description
8
Static IP Address
8
Dynamic IP Address
9
Ethernet Network Example
9
6 ECL 210/310 Modbus Description
11
Modbus Address
11
RS-485 Baud Rate
11
RS-485 Bias/Polarization
12
Mode and Status
12
Heat Curve
12
Time and Date
13
Rules for Schedule Adjustment
14
Anti-Bacteria
15
Holiday
16
Alarm
17
Energy Meter Data, M-Bus (from Version 1.10)
17
System Information Parameters
19
System Commands
21
Output Status, Manual Output Status and Output Override
21
Configurable Input
22
Unit and Pulse
24
7 Modbus Protocol
25
Function Codes
25
Broadcasts
27
Error Codes
27
Modbus/Tcp
27
8 ECL 485 Bus Description
28
Installation of the ECL 485 Network
28
9 Appendix
30
References
30
Definitions and Abbreviations
30
Energy Meter Type Descriptions
31
Good Behavior in Designing a District Heating Modbus Network
33
Parameter List (PNU List)
35
Revision History
53
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Danfoss 087H3803 Specifications
General
Brand
Danfoss
Model
087H3803
Category
Controller
Language
English
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