Industrial Communication Problems: Cable Connection, Impedance Matching, and Termination Resistors

In modern manufacturing environments, many machines and control devices must communicate with each other. A typical manufacturing system may include: PLCs Industrial robots PCs HMIs Servo drives Sensors Vision systems Motion controllers Remote I/O Industrial network switches These devices exchange data continuously through communication networks. When communication problems occur, engineers often focus first on software, […]
Why Digital Signals Become Unstable When Power Is Not Stable
Introduction A digital signal is normally expected to remain in a stable state between HIGH and LOW. Digital circuits use these two defined voltage levels to process and transmit information reliably. However, a digital signal can sometimes enter an undefined or unstable state, especially when the power supply is not stable. This problem can occur […]
How to Protect Your Electronics from Power Surges and Outages During Severe Weather

Severe weather can create serious problems for electronic equipment. Thunderstorms, lightning, strong winds, utility failures, and unstable power conditions can cause power surges, voltage drops, brownouts, and complete power outages. These power problems can affect computers, network equipment, industrial controllers, manufacturing systems, measurement instruments, and other sensitive electronic devices. One practical way to improve equipment […]