Mitsubishi Electric MELDAS 600M Series Instruction Manual page 380

(e) Starting the return
(f) Resetting the retract mode
(g) Return path
(h) Movement path
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CHAPTER 2 MACHINE OPERATIONS
6. Operation Switch Functions and Other Functions
Turn the transit point switch (Y78D) ON.
Move to the return start point with the
manual mode (JOG, handle, step).
Change to the automatic operation mode.
Turn the feed hold switch OFF, and start
the automatic operation.
To start the return, change from the manual mode to the automatic mode, and move toward
the transit point with cycle start. The retract return mode is entered during the return.
The retract mode is reset when reset 1 is input, emergency stop occurs the return is
completed.
1) The axis returns in the following order.
Return start point → Transit point #2 → Transit point #1 → Interruption point
When transit point #2 is not
designated
When transit point #2 is not designated,
the return start point will be regarded as
the transit point #2.
Return path:
Return start point (= transit point #2)
→ transit point #1 → interruption point
After the interruption point is reached, the retract return mode is canceled. Automatic
operation starts, and the remaining blocks are executed.
3 kinds of movement path are shown below. For types (1) and (3), the return type must be set
with the parameters.
(1) Return start point to #2
1) First, the axes other than that designated in parameter ret2 simultaneously move.
2) Next, the axes designated in parameter ret2 move simultaneously.
(2) #2 to #1
3) All axes move simultaneously.
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Transit point #2 will be memorized.
The transit point recognition complete
signal (X61F) will turn ON.
Transit point #2 will be memorized.
The transit point recognition complete
signal (X61F) will turn ON.
The return will start.
When only interruption point is designated
without transit point designation
When only the interruption point is designated
without a transit point designation, the return
start point will be regarded as transit point #1.
Return path:
Return start point (= transit point #1)
→ interruption point
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