MicroARM-A9
Programmable Logic Controller
Table of content
1. Introduction ................................................................................ 3
2. Charateristics .............................................................................. 3
2.1 Board presentation............................................................................................3
2.2 LED meanings.....................................................................................................4
2.3 Mechanical dimension.......................................................................................4
3. Connections ............................................................................... 5
3.1 Digital..................................................................................................................5
3.1.1 Digital input..................................................................................................................5
3.1.2 Digital output...............................................................................................................5
3.2 Analog.................................................................................................................6
3.2.1 Analog input................................................................................................................6
3.2.2 Analog output..............................................................................................................6
3.2.3 Internal board analog input........................................................................................6
3.3 Communication port..........................................................................................7
3.3.1 COM0 RS232................................................................................................................7
3.3.2 COM1 RS232 TTL........................................................................................................7
3.3.3 COM2 RS485................................................................................................................7
3.3.4 COM3 RS485................................................................................................................7
3.4 HMI......................................................................................................................8
3.5 Po er supply......................................................................................................8
4. Standby ...................................................................................... 8
5. Saved variables ........................................................................... 9
6. Choice of target ......................................................................... 9
. Safety and warnings .................................................................... 9
8. Protection device ...................................................................... 10
9. Elimination ............................................................................... 10
10. Cleaning ................................................................................. 10
11. Technical features ................................................................... 10
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