Hitachi EH-150 Series Applications Manual page 8

6.3 Modbus master mode .................................................................................................................................... 6-29
6.3.1 Overview .............................................................................................................................................. 6-29
6.3.2 User project structure ............................................................................................................................ 6-30
6.3.3 Initial setting ......................................................................................................................................... 6-31
6.3.4 Send Query, Receive Response ............................................................................................................ 6-35
6.3.5 Error detection in modbus master mode ............................................................................................... 6-49
6.4 Modbus slave mode ...................................................................................................................................... 6-50
6.4.1 Overview .............................................................................................................................................. 6-50
6.4.2 User project structure ............................................................................................................................ 6-53
6.4.3 Initial setting ......................................................................................................................................... 6-54
6.4.4 Response ............................................................................................................................................... 6-63
6.4.5 Error detection in modbus slave mode.................................................................................................. 6-72
6.5 Hi-Protocol mode .......................................................................................................................................... 6-74
6.5.1 Basic function ....................................................................................................................................... 6-74
6.5.2 Performance .......................................................................................................................................... 6-76
6.5.3 User project structure ............................................................................................................................ 6-77
6.5.4 Initial setting ......................................................................................................................................... 6-78
6.5.5 Error detection in Hi-Protocol mode..................................................................................................... 6-84
6.6 Simple data link mode ................................................................................................................................... 6-86
6.6.1 Abstract of simple data link .................................................................................................................. 6-87
6.6.2 Performance specification..................................................................................................................... 6-89
6.6.3 User project structure ............................................................................................................................ 6-91
6.6.4 Master configuration (Initial setting of EH-SIO) .................................................................................. 6-92
6.6.5 Configuration of slave station ............................................................................................................... 6-99
6.6.6 Error detection in simple data link mode ............................................................................................ 6-101
Chapter 7 System setup .................................................................................................. 7-1 to 7-12
7.1 Trial Run ......................................................................................................................................................... 7-1
7.2 Error indication ............................................................................................................................................... 7-2
7.3 Troubleshooting .............................................................................................................................................. 7-4
Chapter 8 Daily and Periodic Inspection ............................................................................ 8-1 to 8-8
8.1 Daily inspection .............................................................................................................................................. 8-1
8.2 Periodic inspection ........................................................................................................................................ 8-2
8.3 Self-check mode ............................................................................................................................................ 8-3
8.3.1 Check item .............................................................................................................................................. 8-3
8.3.2 Preparation before self-check ................................................................................................................. 8-4
8.3.3 Starting of self-check mode .................................................................................................................... 8-5
8.3.4 Result of self-check ................................................................................................................................ 8-6