Showing posts with label plc project. Show all posts
Showing posts with label plc project. Show all posts

Wednesday, February 4, 2009

two stage counter

When an SV higher than 9999 is required, two counters can be combined as shown in the following example. In this case, two CNT instructions are combined to make a BCD counter with an SV of 20,000.


PLC ladder logic two stage counter