4 ā Monitoring T2S - ETH User Manual ā v1.4
12. Service ................................................................................................................................................. 67
13. Maintenance Task .................................................................................................................................. 68
14. Annex 1: Supervisor alarms - T2S ETH .................................................................................................. 69
15. Annex 2: Module alarms - T2S ETH ....................................................................................................... 72
16. Annex 3: Modbus .................................................................................................................................. 77
16.1 Hardware Requirements .............................................................................................................. 77
16.1.1 Cabling: .......................................................................................................................... 77
16.1.2 Baud rate, parity and mode ............................................................................................ 77
16.2 Database Description ................................................................................................................. 78
16.2.1 Typographic convention: ................................................................................................. 78
16.2.2 Data types: ..................................................................................................................... 78
16.2.3 Supported function: ........................................................................................................ 78
16.3 Status and Constants Description ................................................................................................ 84
16.3.1 Module status explanation (A1): ...................................................................................... 84
16.3.2 Alarm types: ................................................................................................................... 84
16.3.3 Alarm sources: ............................................................................................................... 85
16.3.4 Validity and Unit description (A2):.................................................................................... 85
16.4 Examples .................................................................................................................................... 86
16.4.1 Introduction .................................................................................................................... 86
16.5 Modbus Testing ........................................................................................................................... 90
16.5.1 Requirement: .................................................................................................................. 90
16.5.2 Modbus Testing procedure ............................................................................................. 91