In the field of industrial control, time is a core dimension that runs through the entire production process—from timestamping device operation logs to timed production scheduling, and to accurately tracing the moment of faults, all of which rely on the PLC’s precise control of real-time. The S7-1200 PLC, as the core device of Siemens’ small … Read more
Due to limited cloud storage, the following video tutorials will be available for 30 days until other tutorials are uploaded. I apologize for any inconvenience. 1-01 Basic Knowledge 1 2-02 Basic Knowledge 2 3-03 Basic Knowledge 3 >>>>>>>>>>>>>>>> 6-06 Introduction to TIA Portal Software – 1 7-06 Introduction to TIA Portal Software – 2 8-08 … Read more
Search on WeChatAutomation Knowledge Base Hello everyone, today I want to talk about a practical problem I recently solved—how to control communication between the S7-1200 PLC and the V90 servo. I remember when I first started, I spent several days flipping through the manual, feeling overwhelmed by the technical jargon. After some trial and error, … Read more
S7-1200 PLC Programming Instructions The programming instructions for the S7-1200 PLC are used in the Siemens TIA Portal environment, covering functions from basic to advanced. Below are the key instructions and considerations organized in a structured manner. 1. Basic Instructions 1. Bit Logic Instructions Normally open contact (I0.0), normally closed contact (NOT I0.1), coil output … Read more
Understanding Source and Sink Wiring Methods for S7-1200 PLCs Sink Wiring Method – Definition: Also known as common cathode wiring, this method connects the common terminal “1M” of the S7-1200 to the negative terminal of the power supply. Current flows from the common terminal of the PLC into the input terminal. – Example: When using … Read more
When writing programs for the Siemens S7-1200, various OB organization blocks need to be inserted into the program blocks according to project requirements to address and view organizational events, hardware and software faults, and status information that occur during PLC operation. Today, we will focus on the Startup organization block (OB100) to discuss its function … Read more
Configuring and utilizing the SiemensS7-1200 PLC and simplified series panels (such as KTP400 Basic) requires a systematic approach. 1. Software Preparation Install TIAPortal: Use version V13 or higher, ensuring it includes STEP7Basic (PLC programming) and WinCCBasic (HMI configuration) components. Activate License: Activate the required license through AutomationLicenseManager to avoid functional limitations. 2. Create Project Create … Read more
1. Project Background and Requirements In industrial automation scenarios, the Siemens S7-1200 PLC often needs to achieve remote monitoring, data collection, or control command issuance. However, traditional wired communication has issues such as complex wiring, poor scalability, and limitations in mobile scenarios. This solution utilizes Guangzhou Jukong’s 4G/5G wireless communication products to implement wireless data … Read more
The S7-1200 series PLC can control the speed of the V90 PN servo drive through PROFINET, with the S7-1200 PLC responsible for sending control commands and speed setpoints, as well as reading the status and actual speed of the V90 servo drive; the V90 servo drive itself performs the speed closed-loop control calculations. This example … Read more
【Introduction】Starting from version V15 of TIA Portal, the Modbus (RTU) instruction set has been updated to version V4.0 and above. The S7-1200 firmware must be at least version V4.2. This article mainly discusses the new features of Modbus RTU version 4 and above. S7-1200 Motion Control Example Download S7-1500 Analog Module Wiring Diagram PLC Manual … Read more