MB40 & MB45 MODBUS TCP/IP Gateway
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Contents
MB40 & MB45 MODBUS TCP/IP Gateway – DL30 type Environdata Weather Stations ........................ 1
Overview ............................................................................................................................................. 1
Please Note ......................................................................................................................................... 2
Getting Started .................................................................................................................................... 4
Configuring the MB40 ..................................................................................................................... 4
Configuring Modbus ........................................................................................................................... 5
Modbus RTU .................................................................................................................................... 5
Modbus TCP/IP & Ethernet Webserver .............................................................................................. 6
Configuration Using Switches –Switch 1 ......................................................................................... 6
Configuration Using Switches –Switch 2 ......................................................................................... 6
Configuration Using Switches –Switch 3 & 4 .................................................................................. 7
Configuration Using Switches –Switch 5 to 8 ................................................................................. 7
Configuration Using Webpage ........................................................................................................ 7
Configuration Using Modbus (RTU or TCP/IP) ................................................................................ 8
Weather Station Data ......................................................................................................................... 9
Current Weather Data .................................................................................................................... 9
Daily Weather Data ......................................................................................................................... 9
Last Hourly Data .............................................................................................................................. 9
Last 10-Minute Data...................................................................................................................... 10
Functionality ..................................................................................................................................... 10
Weather Station Polling Period ..................................................................................................... 10
Weather Station Date and Time Configuration ............................................................................ 11
Webpage ........................................................................................................................................... 12
XML Request ..................................................................................................................................... 13
Single Register ............................................................................................................................... 13
All Registers ................................................................................................................................... 14
Error Request ................................................................................................................................ 15
Troubleshooting ................................................................................................................................ 16
Power Connected .......................................................................................................................... 16
Weather station Comms ............................................................................................................... 16
Ethernet ........................................................................................................................................ 16
RS485 ............................................................................................................................................ 16
Troubleshooting Procedure .......................................................................................................... 16
Appendix A ........................................................................................................................................ 19
Complete Holding Register Listing ................................................................................................ 19
