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Sample program for ET200 modbus master read 10 multimeter

6/13/2013 6:24 PM	Rate (0)
hoaild22@gmail.com Bronze Member Joined: 7/6/2010 Last visit: 12/17/2025 Posts: 84 Rating: (1)	Hi expert i have project such as : - station 1: PLC 317 master (main station) - station 2 : ET200S read 10 slave multimeter via modbus - station 3 : ET200S read 10 slave multimeter via modbus ...etc -station10 : ET200S read 10 slave multimeter via modbus PLC 317 read ET200S via profibus. Now Please help me and give me sample program PLC 317 master read 10 multimeter per each station. I had found example program on support siemens but example program only read 1 multimeter so i dont know how to read 10 multimeter. Thank you very much

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6/13/2013 6:32 PM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello Mencaulong, all slaves connected to a RS485 network can be addresses sequentially. So when you have got a sample for one multimeter, execute the program ten times, one after another, with different Modbus slave addresses. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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6/13/2013 7:42 PM	Rate (1)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/15/2026 Posts: 12481 Rating: (2722)	Agreed, but you must make sure that the function calls are staggered, if not they will clash. The discussion that I am providing a link to discusses the CP 341 Modbus master functions, but the same applies to the 1Si blocks. CP 341 with 5 modbus slave - Adressing Slaves Hope this helps, Daniel Chartier

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6/17/2013 12:17 PM	Rate (0)
hoaild22@gmail.com Bronze Member Joined: 7/6/2010 Last visit: 12/17/2025 Posts: 84 Rating: (1)	Thank you very much I will try to do follow that

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2/6/2014 1:24 PM	Rate (0)
CS Moderator Moderator Joined: 9/1/2005 Last visit: 1/9/2026 Posts: 4114 Rating: (195)	follow up question published by SeSa_engis split to a seperate thread with the subject Looking for modbus comm. blocks (fb2,fb3 ... s_send ect..) Best regards CS Moderator
	My Forum is the place to personalize your profile, track your topics, and maintain content that interests you. Best regards CS Moderator
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