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Modbus for s7-200 connect to inverter omron

3/15/2011 10:00 AM	Rate (0)
Nguyen van do Posts: 3 Rating: (0)	hi! I have a plc s7-200 cpu226 and a Inverter Omron use modbus RTU. please help me how to connect them and write programmer to read and write bettwen PLC and inverter thanks so much
Nguyen van do Posts: 3 Rating: (0)
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3/16/2011 7:38 AM	Rate (0)
Greg_E Posts: 88 Rating: (2)	Hi Nguyen van do, Because i never worked with Omron, this is my suggestion. First of all you must have a RS485(pins 3,8) cable to communicate between the devices. Second, if you would like to transfer data between the devices your siemens must be as Master and there are libraries for this. Best Regards, Greg.
Greg_E Posts: 88 Rating: (2)
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3/18/2011 9:36 AM	Rate (0)
Nguyen van do Posts: 3 Rating: (0)	thanks Greg_E so much. I can ask you that when chick check refresh communication, modbus device name appear in microwin? can you send to me program to control induction motor. ex: start, reserve direct, and r/w data from inverter
Nguyen van do Posts: 3 Rating: (0)
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3/24/2011 3:11 AM	Rate (0)
primus 1 Posts: 45 Rating: (4)	Hi What type of Omron Inverter are you using. And how many. Regards Tom
primus 1 Posts: 45 Rating: (4)
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3/30/2011 5:16 AM	Rate (0)
Nguyen van do Posts: 3 Rating: (0)	OK, inverter of OMRON is 3g3jx. communication is RS485 modbus RTU. help me. thanks send to me programe hey
Nguyen van do Posts: 3 Rating: (0)
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