31.5.6.2 High Speed
Counter Control - High Speed Counter (Single-phase Settings, LT
Series)
Use this function to start and stop the high-speed counter. Turn
ON the high-speed counter flag under the CH special I/O control in
the system variable (#L_ExIOSpCtrl) to start, and turn it OFF to
stop the counter. The Operation bit will differ depending on the CH
to which you allocate the high-speed counter.
#L_ExIOSpCtrl
Special I/O control
Turn ON the start bit of the CH (0 bit) to start and turn it OFF
to stop the output.