The developed timer extends the functions of general counter and improves the accuracy of timer.
该计时器既扩展了通用计数器的功能，又提高了计时器的准确度。
2
Fitted with built-in timer and mechanical cycle counter.
内置计时器及机械循环计数器。
3
This paper introduces a circuit setting up and displaying the data of timer, counter and data register out of PLC. It gives the ladder-type Patterned program.