Circuit Troubleshooting

EcuBus-Pro Comprehensive User Guide with PCAN-FD

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EcuBus-Pro Comprehensive User Guide with PCAN-FD

Introduction EcuBus-Pro is an open-source project designed to provide communication protocols and tools for automotive electronic control units (ECUs), enabling developers to interact with vehicle ECUs for diagnostics, debugging, data logging, and performance optimization. It has the following main features: Open-source and free User-friendly interface Cross-platform support (Windows, Linux, MacOS) Multi-hardware compatibility, including PEAK, KVASER, … Read more

Practical Troubleshooting of PLC Instruction Tables in Data Acquisition

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Practical Troubleshooting of PLC Instruction Tables in Data Acquisition

Click the little blue text to follow! Practical Troubleshooting of PLC Instruction Tables in Data Acquisition Last Friday, the newly installed automated production line in the workshop suddenly alarmed and stopped. Xiao Wang hurried over to find me. “Master Li, the main control computer shows no data, the program is still running but no production … Read more

Comprehensive Guide to Connecting Printer Devices: Installing Drivers, Configuring Networks, and Testing Prints

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Comprehensive Guide to Connecting Printer Devices: Installing Drivers, Configuring Networks, and Testing Prints

Click the arrow and follow us! How to Connect Printer Devices 1. Preparation Before starting the connection, please ensure you have prepared the following items: 1. Printer and its accessories: including the printer unit, power cable, USB data cable (if required for wired connection), ink or toner cartridges (if it’s the first use of a … Read more

Common Faults of FAW Jiefang New Energy Traction Vehicle and CRRC Multi-Functional Controller

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Common Faults of FAW Jiefang New Energy Traction Vehicle and CRRC Multi-Functional Controller

01Diagnostic Interface Layout Diagram *Electrical Block Diagram of the Drive System The controller, as a key power component in new energy vehicles, interacts with the entire vehicle through the CAN network to exchange command and status information. The controller collects motor current, speed, and position signals, integrates system status and vehicle control commands, and converts … Read more

Tutorial on Configuring IoT Gateway for PLC Remote Monitoring and Cloud Platform Access

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Tutorial on Configuring IoT Gateway for PLC Remote Monitoring and Cloud Platform Access

Having worked in the industrial control industry for over a decade, today I will guide you step-by-step on how to use the IoT gateway to achieve PLC remote monitoring, eliminating the need to hire someone to debug the equipment on-site! 1. Hardware Connection Core Devices: PLC (taking Siemens S7-1200 as an example), 4G IoT gateway … Read more

Essential PLC Fault Diagnosis Flowchart for Electricians

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Essential PLC Fault Diagnosis Flowchart for Electricians

Over 70,000 friends have followed this industrial control WeChat platform:Technical sharing, Learning exchange, Industrial control videos PLCs have strong self-diagnostic capabilities. When there is a fault in the PLC itself or in peripheral devices, the diagnostic indicator function of the PLC, indicated by the on/off state of the LEDs, can be used for diagnosis. I. … Read more

What to Do When Analog Signals Jump, Drop, or Become Infinite During PLC Debugging?

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What to Do When Analog Signals Jump, Drop, or Become Infinite During PLC Debugging?

Today, I will present an example of interference from a variable frequency drive (VFD) on a PLC’s analog signal and a solution using a signal isolation module to overcome such interference. 1. Example 1: Phenomenon Description In a Siemens PLC, the AO point outputs a 4-20mA current control signal to a Siemens VFD, but it … Read more

Comprehensive Guide to HTTP Status Codes

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Comprehensive Guide to HTTP Status Codes

In the vast world of the internet, when you enter a URL in the browser’s address bar and press Enter, a grand “drama” of data exchange quietly unfolds. The Hypertext Transfer Protocol (HTTP) serves as a bridge for communication between the client (such as a browser) and the server, enabling web browsing, data exchange, and … Read more

How to Enable and Pair Bluetooth in the Nissan Teana?

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How to Enable and Pair Bluetooth in the Nissan Teana?

Can’t connect to the Nissan Teana’s Bluetooth? Avoid these pitfalls! Have you ever had the frustrating experience of wanting to listen to some music while driving, only to find that the car’s Bluetooth won’t connect to your phone? After fiddling with it for a while, there’s still no sound, and your good mood is instantly … Read more

Mac Bluetooth Connection Issues? Why Does Your Mouse Keep Disconnecting? Seven Steps to Solve 99% of Bluetooth Pairing Problems!

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Mac Bluetooth Connection Issues? Why Does Your Mouse Keep Disconnecting? Seven Steps to Solve 99% of Bluetooth Pairing Problems!

Have you ever experienced the frustration of your Bluetooth mouse suddenly disconnecting while using a Mac? Especially when the mouse disconnects, your work efficiency drops instantly, forcing you to frequently restart or reconnect. Don’t worry, this issue isn’t necessarily due to hardware failure; often, it’s caused by settings or environmental factors. Today, let’s discuss how … Read more