Do you know how to use this timer?
1. Classification of timers The Siemens S7-200 SmartCPU has three types of on delay timer TON, hold on delay timer TONR, and off delay timer TOF. However, the total number of timer calls in STEP 7 Micro/WIN SMART is limited to 256, and the timer cannot be used when S7-200SMART subroutine is called for multiple …