Mitsubishi MELSEC-F FX-TRN-BEG-E - Page 101

FX-TRN-BEG-E F: Advanced Challenge 6
B-73
6.5.3 Control Objective
Detect the size of each part and distribute it to the specified place.
6.5.4 Control Specifications
1) When [PB1] (X20) on the operation panel is pressed,
Supply command
(Y0) for the hopper
is turned ON.
When [PB1] (X20) is released,
Supply command
(Y0) is turned OFF.
When
Supply command
(Y0) is turned ON, the robot supplies a part.
2) When [SW1] (X24) on the operation panel is turned ON, the conveyors move forward.
When [SW1] (X24) is turned OFF, the conveyors stop.
3) Large, medium and small parts on the conveyors are sorted by the input of sensors
Upper
(X0),
Middle
(X1) and
Lower
(X2) and carried to the specified trays.
- Large part: Pushed to the lower conveyor and carried to the right tray.
- Medium part: Moved to the tray by the robot.
- Small part: Pushed to the lower conveyor and carried to the left tray.
4) When the sensor
Detect part
(X3) is turned ON, the conveyor stops and a large or small
part is pushed to the lower conveyor.
Note:When the actuating command for the pusher is set ON, it extends completely.
When the actuating command is set OFF, the pusher retracts completely.
5) When
Part on table
(X5) is turned ON in the robot,
Unload command
(Y4) is set ON.
When
Robot operation finished
(X6) is turned ON (it is ON when a part is placed on the
tray),
Unload command
(Y4) is set OFF.
6) While [SW2] (X25) on the operation panel is ON, a new part is to be automatically supplied
at the following time.
- When the robot starts to carry a medium part
- When a small or large part is put into a tray
Output
Y0 Supply command
One part is supplied when Y0 is ON: Wooden part
repeats in order L, M, S, M, S, L.
Y1 Conveyor forward Conveyor moves forward when Y1 is ON.
Y2 Conveyor forward Conveyor moves forward when Y2 is ON.
Y3 Pusher
Extends when Y3 is ON and retracts when Y3 is OFF.
The pusher cannot be stopped in the mid stroke.
Y4 Unload command
Robot moves part to tray when Y4 is ON. A process
cycle begins.
Y5 Conveyor forward Conveyor moves forward when Y5 is ON.
Y6 Conveyor reverse Conveyor moves backward when Y6 is ON.
Type Device No. Device name Operation