Panasonic FPG Series Technical Manual page 178

Feedback Counter
Pulse output diagram
Operations of the various flags
-Pulse output busy flag (X100) goes ON when E point control is started and goes OFF when the pulse
output is completed.
-Pulse output done flag (X101) goes ON when the pulse output is completed. This remains ON until the
next operation of either E point control, P point control, JOG operation, JOG positioning operation,
home return or pulser input operations is started.
-The elapsed value is stored in the counter inside the positioning unit as absolute value.
13-4
FP2 Positioning Unit