1. Contact and Coil Instructions Programming Principles of PLC Ladder Diagram Language 1. The ladder diagram consists of multiple rungs, each coil can form a rung, and each rung has multiple branches, representing a logical equation; 2. The relays, contacts, and coils in the ladder diagram are not physical but are bits in the PLC … Read more
1. Contact and Coil Instructions Programming Principles of PLC Ladder Diagram Language 1. The ladder diagram consists of multiple rungs, with each coil forming a rung, and each rung having multiple branches, representing a logical equation; 2. The relays, contacts, and coils in the ladder diagram are not physical; they are bits in the PLC … Read more
Fundamentals of PLC: Secrets to Efficient Counter Usage Hello everyone, I am Xiao Qi. Today, I want to talk to you about counters in PLCs. Speaking of counters, they are like scoreboards in our daily life, such as in basketball games. However, counters in PLCs are much more powerful; they can count up, count down, … Read more