Power supply ripple testing is a crucial parameter in power quality detection, but accurately measuring power supply ripple has become a challenge for engineers. How can we overcome this problem? In fact, after searching for it thousands of times, the solution is right there in front of us. Because a DC regulated power supply is … Read more
Click the above “ Tech Training ” to select “Pin to Top Public Account” Over 140,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos 1. No Light Spot or Waveform Power is not connected. The brightness knob is not adjusted properly. X, Y-axis offset knob is misaligned. The Y-axis … Read more
Please follow our WeChat subscription account “Finger Motorcycle” for the latest motorcycle maintenance and repair information. Search for ID mscmoto directly in WeChat to follow! This article mainly discusses several points that are often overlooked when using general-purpose oscilloscope probes. 1. Bandwidth This is usually marked on the probe. If the probe’s bandwidth is insufficient, … Read more
The oscilloscope measures the voltage applied to its input. In most cases, this is not an issue, but in certain situations, it is necessary to move the reference measurement plane and recalibrate the oscilloscope’s measurements. For example, if a minimum insertion loss impedance box (MLP) is used to terminate a measurement source with an impedance … Read more
Click on “ Technical Training” above to select “Pin to Top” Over 140,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos 4. Usage (1) Pre-Usage Check Before using the oscilloscope for the first time or after long-term storage, it is necessary to perform a simple check to see if … Read more
01 What Is the Trigger Mode of an Oscilloscope? The “trigger” of an oscilloscope is to synchronize the oscilloscope’s scanning with the observed signal, thus displaying a stable waveform. Different “trigger modes” are required to meet various observation needs. The basic trigger modes of an oscilloscope are three: The first is “Auto Mode (AUTO)”: In … Read more
Master Truck Repair ★ Learn Circuit Repair Series Course ★ 01 Lecture 1 – Detailed Practical Explanation 02 Lecture 2 – Computer Boards, Pins, Circuit Diagrams 03 Lecture 3 – ECU Power Communication Jumper and Car Diagnostic Port Definition 04 Lecture 4 – ECU Main Relay and Power Supply Module Explanation 05 Lecture 5 – … Read more
What is the structure of a servo? The simplest servo control unit consists of a servo motor and a servo controller. Today, we will analyze the servo motor and the servo controller. Principle of Motor Action Right-Hand Rule (Ampere’s Law) – Current Generates Magnetic Field Ampere’s Law, also known as the right-hand screw rule, describes … Read more
In PLC, there are three main quantities: digital signals, analog signals, and pulse signals. Once you understand the relationship between these three, you can master PLC proficiently. 01 PLC Programming Algorithms (1) 1. Digital signals, also known as logic signals, refer to values that can only be 0 or 1, ON or OFF. This is … Read more
Search on WeChat Skill Training The Programmable Logic Controller (PLC) is a type of programmable memory used to store programs internally, execute logical operations, sequential control, timing, counting, and arithmetic operations based on user commands, and control various types of machinery or production processes through digital or analog input/output. Today, we have organized a comprehensive … Read more