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Samkoon HMI & Siemens S7-200 “Communication” Tutorial

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The S7-200 PLC is a small programmable logic controller from Siemens, with a modular structure and expansion modules. These modules are used for many different programming applications. However, PLC S7-200 has built-in rich features, so it is capable of meeting different requirements of industrial machinery and equipment.

Communication and PLC control via HMI is a necessity with any PLC today, today will guide you to use Samkoon HMI to connect to Siemens S7-200 PLC through the CPU Port.

Samkoon HMI & Siemens S7-200 “Wiring Diagram”

Below is the RS485 wiring diagram between PLC Siemens S7-200 and HMI Samkoon:

PLC Siemens S7-200 “CPU Communication Setting” recommends that you keep the default settings of the Siemens S7-200

Samkoon HMI to PLC Siemens S7-200 Configuration

We need to set the communication parameters for HMI Samkoon according to the parameters installed for PLC Siemens S7-200

I/O Mapping

Project Video Tutorial


+ PLC Siemens S7-200 Programming Software Download
+ Samkoon HMI Programming Software Download

If in the process of using the Samkoo HMI to connect and control the Siemens S7-200 PLC, you need any support, please comment below the article, will reply to you as soon as I read the comments.

Best Regards!

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