December 2001 Tool Changer 6 – 437
N → S:
Special tool follows
a normal tool
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).
N → S,
Single changing
arm, M4540 = 0
First the pocket number of the old tool and the tool number zero are
transferred.
Zero means clear the spindle!
7
77
7 Acknowledge with M4093.
Then the pocket number and tool number of the new tool are transferred.
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
W264
M4541
W262
M4524
M4523
M4522
M4540
M4520
M4093
M4073
Pocket No. [N]
Tool No. Ø
Pocket No. [S]
Tool No. [S]