AccuEnergy AXM-WEB2, User Manual, Page: 4 / 131

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V: 1.10 Revised: January 2020 2
Table of Contents
1. Introduction to Ethernet ................................................................................................... 4
Introduction to Ethernet ................................................................................................................... 4
IPv6 ...................................................................................................................................................4
2. Functional Description of the Ethernet module ............................................................ 4
3. Appearance and Dimensions ........................................................................................... 5
4. Installation Method ........................................................................................................... 6
5. Definition of RJ45 ............................................................................................................... 7
6. Initializing the Ethernet module ...................................................................................... 8
7. Cable .................................................................................................................................. 17
8. Connection Method ......................................................................................................... 17
8.1 Direct Connect to a Computer ................................................................................................ 17
8.2 Direct Connect to a Router/Switch ......................................................................................... 21
8.3 Connect through WiFi ............................................................................................................... 21
9. Description of Modbus-TCP Protocol ............................................................................ 22
9.1 Protocol ...................................................................................................................................... 22
9.1.1 Data Frame Format .............................................................................................................22
9.1.2 Modbus Application Header (MBA Header) Field ...........................................................22
9.1.3 Function Field ......................................................................................................................23
9.1.4 Data Field .............................................................................................................................23
9.2 Format of communication ........................................................................................................ 24
9.2.1 Explanation of frame .........................................................................................................24
1) Read Status of Relay (Function code 01) .............................................................25
2) Read Status of DI (Function Code 02) ..................................................................26
3) Read Data (Function Code 03) ..............................................................................27
4) Control Relay (Function Code05) ..........................................................................28
5) Preset/Reset Multi-Register (Function Code 16) .................................................29
10. Web Interface Readings and Parameter Settings ...................................................... 30
10.1 User Access Login .................................................................................................................... 30
10.2 Dashboard ................................................................................................................................ 31
10.3 Metering web page .................................................................................................................. 32
10.3.1 Basic Metering ...................................................................................................................32
10.3.2 Power & Energy .................................................................................................................33
10.3.3 Min/Max .............................................................................................................................34
10.3.4 THD .....................................................................................................................................35
10.3.5 Harmonics ..........................................................................................................................36
10.3.6 Phase Angles ......................................................................................................................37
10.3.7 Sequence ............................................................................................................................37
10.3.8 I/O .......................................................................................................................................38
10.4 Logs............................................................................................................................................ 40
10.4.1 Trendlog .............................................................................................................................41
Realtime .......................................................................................................................41
Energy ..........................................................................................................................42
Data Preview ...............................................................................................................43
10.4.2 Trendlog Management ....................................................................................................44
Clear Logs ....................................................................................................................45