RobotStudio event

Bosch 6100 timer

Hii ALL;

I have yrc5-6600 spotwelding robot and this robot control weld via analog bosch timer which verison is 6100.6300L. This robot working without problem.

But i can not control air from propotion valf with manual mode with I/O. This valf connected to the timer and timer program changed valf output value when change program number (Spot number), So I want to change this valf value from flex pendant(FP) with use I/O when the robot is manual mode . Could you help me?