Mitsubishi Electric GOT1000 Series Quick Start Manual page 5

2
Restore the system as soon as possible
Operation halts due to unknown reasons at an unknown location.
Using the One-Touch Ladder Jump Function in combination with
operation flow diagrams helps you quickly search the problems cause.
【Benefit】
During automatic operation, the process may stop without any warning alarms
(e.g. sensor positioning error). when this occurs, just touch the operation flow
diagram which will show you the root cause of the problem. Since there is no
need to use personal computers or ladder programs, the downtime of the
system is reduced.
Automatic operation flow diagram
All home position (M50) Lifter down (M55)
Lifter down (M51) Manual open (M56)
Manual close (M52) Lifter up (M57)
Lifter up (M53) Feed-backward (M58)
Feed-forward (M54)
Touch
During automatic operation, if the
operation stops at a certain place,
touch the operation block to
display the relevant ladder block.
3
Find out the cause of the problem
The machine needs to be moved manually, but it does not work.
Just touch the screen to display the interlock status while in manual
operation mode.
【Benefit】
When manually restoring the system after tooling change or emergency stop,
just press a switch to check the interlock status. This also reduces the
downtime.
Manual operation screen
Lifter up
(M80)
Lifter down
(M81)
If lifter down does not work due to the
interlock, press I/L display touch
switch to check the I/L ladder block of
the lifter down operation.
Operation guard
＜How to draw the flow diagram screen＞
(1) Draw the screen for the automatic operation flow diagram. (to the left)
(2) Set internal devices in of the PLC automatic operation circuit (M50 to M58) to the
〈Display M54 ladder block〉
Interlock doctor
＜How to draw manual operation screen＞
(1) Put "I/L display" switch next to the operation switch on the manual operation
I/L display
(2) Set internal devices for interlock of the relevant operation (M70, M71) to the I/L
(M70)
〈Display interlock ladder block of lifter down〉
I/L display
(M71)
Touch
− 3 −
Supported software package: GT Designer2 Version 2.43V or later
Why's it
stopped ?
Hey, wake up and
lift the package !
touch switches of each operation block.
Lifter upper Lifter up Lifter down
end X10 M53 M55
M54
M54
If lifter is up (M53 is on) but the operation
does not move to Feed-forward (M54), the
problem cause is the lifter upper end sensor
(X10) which must have been on
・ ・ ・
It's in manual mode
but the machine doesn't
work . Why ?
screen. (to the left)
display switch.
Feed-forward Air pressure
end X15 normal X08
M71
Feed-backward
end X14
Air pressure is normal (X08 is on) but both
feed-forward (X15) and feed-backward (X14)
are off. To enable the operation (interlock
(M71)), either one or both must be on.
Just touch here to
search the cause.
Feeding
forward
Touch me, then
I will diagnose
your problem .
Lifter down
I/L