Chapter 14  High Speed Counter Module AS02HC 
14-19 
  Z-Phase Function Setting 
AS02HC-A’s two channels which are with one input point CH1 Z and CH2 Z respectively should be configured in function 
by HWCONFIG before they are used to achieve the functions of counter reset, gate control, counter value capture and 
digital filtering. 
Phase-Z Function Setting
Counter Reset, Counter Reset +Yno,   
-  Counter Reset 
Counter Reset   
(Default) 
The counter is cleared (the counter value is 
reset to 0 and the counter status is 
The counter value can not be cleared if 
the  SSI input and  the  absolute-position 
counter type are selected. 
Counter Reset +Yno 
Same to Counter Reset above. Also clears 
the output points that are set by the 
DHCCMP comparison instruction or table 
comparison instruction DHCCMPT. 
The DHCCMP or DHCCMPT instruction is 
used. 
Capture 
The counter value capture is triggered 
through the rising edge and falling edge of 
The DHCCAP instruction is used. 
Gate control 
When phase Z is at low level, the counter’s 
counting pauses. When phase Z is at high 
level, the counter’s counting continues.   
Applicable to the pulse input only.