Beckhoff BC9000 Documentation page 4

Table of contents
6.4 Mapping the Bus Terminals ............................................................................................................. 38
6.5 Local process image........................................................................................................................ 38
6.6 Allocated flag area %MB.. ............................................................................................................... 39
6.6.1 Remanent and persistent data......................................................................................... 39
6.6.2 Diagnostics ...................................................................................................................... 40
6.6.3 Cycle Time Measuring ..................................................................................................... 40
6.7 Fieldbus process image................................................................................................................... 40
6.7.1 Fieldbus process image................................................................................................... 40
6.7.2 ModbusTCP Process Image............................................................................................ 40
6.7.3 ADS Process Image ........................................................................................................ 41
6.8 Program transfer.............................................................................................................................. 41
6.8.1 Program transfer via the serial interface.......................................................................... 41
6.8.2 Program Transfer via Ethernet ........................................................................................ 42
6.9 Libraries ........................................................................................................................................... 45
6.9.1 Libraries ........................................................................................................................... 45
6.9.2 TcUtilitiesBC9000 ............................................................................................................ 46
6.9.3 TcIpUtilitiesBC ................................................................................................................. 49
7 Fieldbus system ...................................................................................................................................... 51
7.1 Ethernet ........................................................................................................................................... 51
7.2 Topology .......................................................................................................................................... 53
7.3 Reaction times ................................................................................................................................. 53
7.4 ADS-Communication ....................................................................................................................... 54
7.4.1 ADS-Communication ....................................................................................................... 54
7.4.2 ADS protocol.................................................................................................................... 55
7.4.3 ADS services ................................................................................................................... 56
7.5 ModbusTCP..................................................................................................................................... 64
7.5.1 ModbusTCP Protocol....................................................................................................... 64
7.5.2 Modbus TCP interface ..................................................................................................... 65
7.5.3 ModbusTCP slave error answer (BK9000, BX/BC9xx0, IP/ILxxxx-B/C900, EK9000) ..... 67
7.5.4 ModbusTCP functions ..................................................................................................... 67
7.5.5 Examples for ModbusTCP............................................................................................... 74
7.6 Description of parameters ............................................................................................................... 75
7.6.1 Properties of the Bus Terminal Controller........................................................................ 75
8 Error handling and diagnosis................................................................................................................. 78
8.1 Diagnostic LEDs .............................................................................................................................. 78
8.2 General errors ................................................................................................................................. 81
8.3 ADS diagnostics .............................................................................................................................. 81
8.4 ModbusTCP diagnostic ................................................................................................................... 83
9 Appendix .................................................................................................................................................. 84
9.1 General operating conditions........................................................................................................... 84
9.2 Approvals......................................................................................................................................... 85
9.3 Test standards for device testing..................................................................................................... 86
9.4 Bibliography ..................................................................................................................................... 86
9.5 List of Abbreviations ........................................................................................................................ 86
9.6 Support and Service ........................................................................................................................ 88
4 Version: 4.0.0 BC9000 and BC9100