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Modbus TCP
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Modbus TCP
by admin » Thu Nov 17, 2011 9:01 pm
These are examples of how to communicate to external hardware using the Modbus TCP standard (Thanks - Embedded). Modbus is a popular protocol for communicating with industrial PLC's
There are two programs a Client and a Server. Usually the Client is the controller and the Server is the PLC device.
These examples use the registers (FC = 3 & FC = 16) to communicate but could be adapted to use coils if required.
For more information on Modbus: http://www.modbus.org/
- Modbus.jpg (72.9 KiB) Viewed 36544 times
There are two programs a Client and a Server. Usually the Client is the controller and the Server is the PLC device.
These examples use the registers (FC = 3 & FC = 16) to communicate but could be adapted to use coils if required.
For more information on Modbus: http://www.modbus.org/
- Modbus TCP Client V1-06 clip.png (63.63 KiB) Viewed 36544 times
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Modbus Server V1-02.fsm- (50.09 KiB) Downloaded 3603 times
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