1. Overview of MODBUS Communication The MODBUS protocol consists of MODBUS protocol over serial links and MODBUS protocol based on TCP/IP. The serial link MODBUS protocol includes MODBUS ASCII (string) and MODBUS RTU. The MODBUS protocol library provided by 200SMART supports MODBUS RTU communication. MODBUS RTU sends data in hexadecimal values. MODBUS ASCII sends data … Read more
Search on WeChat Technical Training Control System Design of a Certain XX Machine There is a certain XX machine, driven by a 7.5kW motor. Depending on the raw materials, the speed needs to be infinitely adjustable within a certain range, and the system must protect itself in case of excessive raw materials or equipment jamming. … Read more
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PLCs, inverters, and human-machine interfaces (HMIs) are essential devices in modern industrial automation control. Their applications have made factory production and manufacturing processes more automated, efficient, precise, and controllable, greatly advancing the automation process of China’s manufacturing industry and contributing significantly to the country’s modernization efforts. A touch screen is a digital input-output device with … Read more
Siemens All-in-One + TIA Portal + EPLAN Electrical Design Video Recordings for Sale at Low Prices! Chuangkong Education Siemens All-in-One Course Introduction 1. Touch Screen Controls Inverter via PLC 1. Currently, in general situations, controlling an inverter typically requires communication between the PLC and the inverter to read the inverter’s information. The touch screen then … Read more
Search on WeChat Technical Training In most cases, the touchscreen is connected to a PLC, which then connects to the inverter. However, the touchscreen can also connect directly to the inverter without going through the PLC, controlling the inverter’s start, stop, frequency change, etc. Today, we will take the Wecon touchscreen controlling the Mitsubishi D … Read more
PLC and Inverter Communication: Writing PLC for Simpler Speed Control Using PLC to control the inverter, manage speed adjustment and start/stop, and eliminate a bunch of wiring through communication. Today, I will guide you through this practical project! Project Requirements and Function Description The requirements for this PLC and inverter communication project are: Control the … Read more
Learn about PLC Using the PLC’s digital output to control the inverter (i.e., connecting the PLC’s digital output directly to the inverter’s digital input, allowing the PLC to control the inverter’s start, stop, forward, reverse, and multi-speed operation at high, medium, and low speeds through programming). Using the PLC’s analog signal to control the inverter. … Read more
Click the blue text “Xijia Transmission” to follow the official account! When using the CU240B-2 DP, CU240E-2 DP, CU230P-2 DP, and CU250S-2 DP control units, the inverter will trigger the F01910 fault if it does not receive a message from the PROFIBUS master station within the specified watchdog time. 1 Common Causes of Faults (1) … Read more
Click↑↑Tech Training, follow and pin it to subscribe for free long-term 200,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos Today, I mainly want to share a practical case involving a water level control project using PLC, inverter, and touch screen. Let’s take a look at the entire process, … Read more