How smart PLC constructs ALT instruction

Single button start stop is a common problem , A lot of people are interested . This blog post discusses different implementation methods , I hope that's helpful . Although the instructions are simple , However, reasonable use in programming can help us to program efficiently , Later we will use ALT Instruction construction 《 Single cylinder function block 》 and 《 Dual cylinder function block 》, You can refer to other columns for this part , stay PLC The object-oriented programming series will be explained in detail .

Function block of object-oriented programming series ：

PLC Cylinder function block of function block series FB(SCL Language )_RXXW_Dor The blog of -CSDN Blog https://blog.csdn.net/m0_46143730/article/details/125385061

1、ALT Instructions

  The reverse command is in Mitsubishi PLC There is a dedicated ALT Instructions ,SMART PLC No, .

2、 One button controls the two-way cylinder