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CP341 MODBUS RTU Master

Created by: PAF at: 2/4/2007 8:42 PM (3 Replies)

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2/4/2007 8:42 PM	Rate (0)
PAF Posts: 1 Rating: (0)	Hello, Ineed configure a CP341 for MODBUS RTU MASTER. I don´t know configure y the step 7 using FB7 and FB8. In spanish: Hola, necesit oconfigurar una comunicación MODBUS RTU, utilizando la CP341 como master. Estoy teniendo problemas para configurar el numero de esclavo a interrogar y el rango de direcciones. Necesitoque por favor me envien un ejemplo de esta comunicación o que me orienten en cuanto a su utilización. Gracias.
PAF Posts: 1 Rating: (0)
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2/4/2007 8:51 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 12/23/2024 Posts: 2705 Rating: (320)	Hi PAF, Please look on Modbus Network for more information, please ask questions there if you need anything more.
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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2/5/2007 8:17 AM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 12/23/2024 Posts: 2705 Rating: (320)	Hi Paf, In the mentioned thread there is one example, also when installed the master modbus software there are some examples. In the handbook that is also installed the function codes are mentioned and described There you can see also the lengths of the data. Normally you use a send to write registers or coils to the slave(s) and also a send to read some registers or coils from a slave. The information is coming back with the receive.
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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10/5/2008 5:02 PM	Rate (0)
Banxico Posts: 15 Rating: (2)	Hola PAF,¿Lograste configurar lo que necesitabas?
Banxico Posts: 15 Rating: (2)
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