I have problem about servo motor pause and continue.

Servo motor is working until metarial enter to security light barrier. it entered something to security light barrier and servo motor stopped but when the material take out from security light barrier and when i press to start button for continue software, servo motor need to continue remaining movement.

what can i use funtion block?

i used MC_halt, servo motor stopped but it didn't continue remaing movement.

servo motor need to continue remaining movement.

could you help please?