Hello everyone, I am Xing Ge. Today, let’s talk about fault diagnosis for Siemens PLCs. As an automation engineer, encountering system failures is a common occurrence. However, being able to quickly locate and resolve issues is a true skill! Below, I will share my accumulated experience in PLC fault diagnosis over the years, hoping to … Read more
As a power source for industrial production, air compressors’ precise control directly affects production efficiency and energy consumption levels. This article details the intelligent control scheme for compressors based on Siemens PLC. 1. Hardware Configuration 1.1. PLC and Expansion Module Selection For medium to large air compressor control systems, it is recommended to use the … Read more
Introduction Hello everyone, I am Engineer Li. I have been working in the automation industry for 15 years, mainly focusing on the design and maintenance of industrial automation control systems. Over the years, I have visited many factories and dealt with various PLC faults. From initially being flustered to now handling issues calmly, I have … Read more
Fault Diagnosis When the S7-1200 operates as a DP Master, the CPU does not stop and does not require downloading an organization block when a DP slave is lost. There are several methods for diagnosing faults in PROFIBUS DP: 1. Through the Indicator Lights on the Module The DIAG light on the front panel is … Read more
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
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
Click the blue text for more exciting information Event-Driven Programming for Fault Diagnosis in Smart Home PLC Systems Over the years, I have worked on numerous smart home projects and discovered a common issue: when a fault occurs, everyone is completely at a loss! Homeowners call every day, and for a minor issue, I have … Read more
Click the blue text to follow! Energy Consumption Reduction Strategies for IoT Application Fault Diagnosis Using Object-Oriented Programming in PLCs Last week, the injection molding machine in the workshop had another issue, and it took Xiao Wang most of the day to find the fault point. Seeing him sweating profusely, I went over to lend … Read more
Research on Fault Diagnosis Using PLC Instruction Tables in Industrial Automation Control I remember a few days ago when I went to a pharmaceutical factory to address a production line fault. As I entered the control room, a sweating engineer named Xiao Li rushed towards me, saying, “Wen Ge, it’s great that you’re here! The … Read more
In modern industrial production, the application of PLCs (Programmable Logic Controllers) is becoming increasingly widespread. However, with the increase in usage frequency, operators have higher demands for PLCs. Today, we have compiled some practical tips for daily PLC applications to help you work more efficiently. 1. Grounding Issues: Ensure Stable System Operation The grounding requirements … Read more