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N → S:
Special tool follows
a normal tool
N → S,
Single changing
arm, M4540 = 0
December 2001
With this change sequence, two pocket numbers or two tool numbers must
be transferred in succession. M4520 indicates that another TOOL CALL
strobe (M4073) will follow. Regardless of M4541, there is a different
sequence of pocket number transfer for single and double-arm changers
(M4540).
First the pocket number of the old tool and the tool number zero are
transferred.
Zero means clear the spindle!
7 7 7 7
Acknowledge with M4093.
Then the pocket number and tool number of the new tool are transferred.
Tool Changer
6 – 437
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