|Contents|ii
Contents
1 Multifunction Vehicle Bus Electrical Short Distance Module MVB2791B.............4
1.1 Warning symbols used in EKE manuals.......................................................................................................................4
1.2 Safety considerations......................................................................................................................................................4
1.3 Correct handling of the module.................................................................................................................................... 5
1.4 Ambient conditions for storage.................................................................................................................................... 5
2 About this document..............................................................................................6
3 Module features and operation............................................................................. 7
3.1 Module identification.......................................................................................................................................................7
3.2 Functional block diagram................................................................................................................................................8
3.3 CPU.....................................................................................................................................................................................8
3.4 Duplicated line.................................................................................................................................................................. 8
3.5 Shared memory................................................................................................................................................................8
4 Installation.............................................................................................................. 9
4.1 Warnings............................................................................................................................................................................9
4.2 Installation procedure................................................................................................................................................... 10
4.3 Cable recommendations...............................................................................................................................................11
4.3.1 Bus cable types..............................................................................................................................................11
4.3.2 Bus cable connector...................................................................................................................................... 11
4.3.3 Termination......................................................................................................................................................12
4.4 Firmware update........................................................................................................................................................... 12
5 Configuration........................................................................................................ 14
5.1 References...................................................................................................................................................................... 14
5.2 CPU File System (tms-base)........................................................................................................................................14
5.2.1 Configuring MVB related CPU files............................................................................................................. 15
5.2.2 Installing the file system.............................................................................................................................. 17
6 ISaGRAF Project................................................................................................... 18
6.1 Data types......................................................................................................................................................................18
6.2 C functions and function blocks................................................................................................................................. 19
6.3 I/O devices..................................................................................................................................................................... 22
6.4 Initialising the MVB interface...................................................................................................................................... 26
7 Serial console........................................................................................................28
7.1 Establishing a serial console connection...................................................................................................................28
7.2 Debug commands..........................................................................................................................................................29
7.2.1 Introduction..................................................................................................................................................... 29
7.2.2 Module debug commands............................................................................................................................ 30
7.2.3 MVB debug commands.................................................................................................................................34
MVB2791BTechnical Manual 1.0
