{1. Bit Logic Instructions} (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, with each rung representing a logical equation; 2. The relays, contacts, and coils in the ladder diagram are not … Read more
Please follow me if you like, I share new knowledge every day. 1. Types of Counters As shown in the figure, the Siemens S7-1200 PLC has three types of counters: Count Up Counter (CTU), Count Down Counter (CTD), and Count Up/Down Counter (CTUD). They belong to software counters. The maximum counting rate is limited by … Read more
Click on the above Electrical Engineering Learning to follow and star it. A professional self-media in the field of electrical engineering, don’t miss it. 1. Bit Logic Instructions (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 … Read more