Table Of Contents - Actel ARTU Series Installation And Operation Manual

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.......................................................................................................................................................... 3
4.5 Application examples...................................................................................................................................6
5 Communication Description.................................................................................................................. 6
5.1 Full parameter information of instrument....................................................................................................6
5.2 Instrument event record information......................................................................................................... 10
5.3 Read DI state..............................................................................................................................................11
5.4 Read DO state............................................................................................................................................ 11
5.5 Communication examples......................................................................................................................... 12
6. Appendixes.......................................................................................................................................... 13
6.1 Dial switch settings........................................................................................................................... 13
6.1.1 Dial code definition...........................................................................................................................................13
6.1.2 Address settings................................................................................................................................................ 13
6.1.3 Baud-rate settings..............................................................................................................................................13
6.1.4 Mode settings.................................................................................................................................................... 13
6.1.5 Format settings..................................................................................................................................................13
6.2 Modbus function code description.............................................................................................................14
6.2.1 Exception response format of the ARTU tetratele unit to an erroneous command received............................ 14
6.2.2 Status of the used Modbus 01H/02H function..................................................................................................14
6.2.3 Read by using Modbus 03 or 04 function.........................................................................................................14
6.2.4 Status of mandatory alarm by using Modbus 05H function............................................................................. 15
6.2.5 Write multiple data by using Modbus 10H function.........................................................................................15
7 Communication Connection Modes.....................................................................................................15
8 Debugging and Maintenance................................................................................................................16
8.1 Operation instructions................................................................................................................................16
8.2 Debugging..................................................................................................................................................16
Contents