Principles and Examples of Siemens PLC S7-1200 Counter Instructions
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