AS Series Programming Manual Example 2 NETWORK1: When PLC runs, set the value of the counter HC202 to four time frequency (mode setting should be set before executing the DCNT instruction). And then the value of the counter HC202 is cleared. NETWORK2: After the value of the counter HC202 reached the setting value 1000, the contact of HC202 is ON. _6 Explanation of the high-speed counter: AS Series high-speed counters can be divided into hardware counters (up to a maximum of 200KHz input, and for differential input points up to 4MHz) and software counters (up to a maximum of 10KHz). Refer to hardware specification for more details on the input limit. 6-270