
Contents
1. General.................................................................................................................................................. 1
2. Model description..................................................................................................................................1
3. Technical Parameters.............................................................................................................................2
4. Installation and Wiring.......................................................................................................................... 3
4.1 Outline dimensions...................................................................................................................................... 3
4.2 Installation methods.....................................................................................................................................3
4.3 Wiring.......................................................................................................................................................... 4
4.5 Application examples...................................................................................................................................6
5 Communication Description.................................................................................................................. 7
5.1 Full parameter information of instrument....................................................................................................7
5.2 Instrument event record information......................................................................................................... 11
5.3 Read DI state..............................................................................................................................................12
5.4 Read DO state............................................................................................................................................ 13
5.5 Communication examples......................................................................................................................... 13
5.6 Detailed explanation of analog input and output signals...............................................................................13
6. Appendixes.......................................................................................................................................... 15
6.1 Dial switch settings................................................................................................................... 15
6.2 Modbus function code description........................................................................................................... 15
7 Communication Connection Modes.....................................................................................................17
8 Debugging and Maintenance................................................................................................................17
8.1 Operation instructions................................................................................................................................17
8.2 Debugging..................................................................................................................................................18