Changed to write a PLC-related Siemens S7 300/400 Controller

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Test the IP address of the SCM PLC and read the data of the relevant address of the PLC.

1. For example, fill in the IP address of the PLC: 10.23.74.139, point Ips7open (...), type refer to the type of the company,

   
   

   
   Start AB: Fill in the PLC address, point "ips7rdreal (...)",.

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Can see the real-time data of the machine yo.

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Analyze the PLC (10.23.74.139), the network protocol used, (TCP/IP).

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In addition to a Siemens software, SIMATIC Manager, we have the opportunity to exchange.

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This article is from "Hangzhou Technology blog" blog, please be sure to keep this source http://hangyc.blog.51cto.com/427521/1782272

Changed to write a PLC-related Siemens S7 300/400 Controller