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Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
en:calaos_io_controller [2015/08/21 19:41] nico [Calaos PLC IO] |
en:calaos_io_controller [2015/08/21 22:46] cleger [Software] |
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Line 20: | Line 20: | ||
LEDs indicator? | LEDs indicator? | ||
- | ^ Heading 1 ^ Heading 2 ^ Heading 3 ^ | ||
- | | Row 1 Col 1 | Row 1 Col 2 | Row 1 Col 3 | | ||
- | | Row 2 Col 1 | some colspan (note the double pipe) || | ||
- | | Row 3 Col 1 | Row 3 Col 2 | Row 3 Col 3 | | ||
==== Bus ==== | ==== Bus ==== | ||
Line 58: | Line 54: | ||
Modbus has the inconvenient of having a big overhead per packet and is used in systeme where the master need to access content of register of slaves. It's not designed with firmware upgrade of slaves in mind for example. | Modbus has the inconvenient of having a big overhead per packet and is used in systeme where the master need to access content of register of slaves. It's not designed with firmware upgrade of slaves in mind for example. | ||
+ | The frames will have the following format: | ||
+ | {{: | ||
+ | * Slave ID is a configurable id (through DIP switch or jumper) located on each sensors. | ||
+ | * The content is then application defined | ||
+ | {{: | ||
+ | |||
+ | |||
+ | {{: |