
B-63943EN-1/02 16.MEASUREMENT
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Axis specification Signal input Valid parameters
Command code
T series M series T series M series T series M series
G36
(parameter G36
(bit 3 of No.3405)=0)
Basic 1st axis
XAE1
(GAE1)
6241,
6251,
6254
G37
(parameter G36
(bit 3 of No.3405)=0)
Basic 3rd axis
Basic1st to 3rd
axes
XAE2
(GAE2)
XAE1 to XAE3
(GAE1 to
GAE3)
6242,
6252,
6255
6241 to 6243,
6251 to 6253,
6254 to 6256
G37.1
(parameter G36
(bit 3 of No.3405)=1)
Basic 1st axis Basic 1st axis
XAE1
(GAE1)
XAE1
(GAE1)
6241,
6251,
6254
6241,
6251,
6254
G37.2
(parameter G36
(bit 3 of No.3405)=1)
Basic 3rd axis Basic 2nd axis
XAE2
(GAE2)
XAE2
(GAE2)
6242,
6252,
6255
6242,
6252,
6255
G37.3
(parameter G36
(bit 3 of No.3405)=1)
Basic 3rd axis
XAE3
(GAE3)
6243,
6253,
6256
NOTE
In an M-series machine, if parameters No.6242 and
No.6243 are set to 0, the setting of parameter
No.6241 becomes valid. If parameters No.6252
and No.6253 are set to 0, the setting of parameter
No.6251 becomes valid. If parameters No.6255
and No.6256 are set to 0, the setting of parameter
No.6254 becomes valid.
[Operation] When the signal is turned "1", the control unit works as follows:
• Reads the position of the tool along the axis currently specified
and updates the current compensation value based on the
difference between the specified measuring position and the read
measuring position in the following case: When the measuring
position reached signal corresponding to the G code is turned on
in a block where G36 (T series) or G37 is specified after the tool
is within distance ε of the measuring position specified by a
program and before the tool overshoots the measuring position
by distance ε. The control unit then stops the tool, and terminates
the move command for the block.
• Enters an alarm (PS0080) state and terminates the move
command for the block without updating the compensation value
in the following case: When the measuring position reached
signal corresponding to the command is turned "1" in a block
where G36 (T series), G37 is specified after the tool is within
distance γ of the measuring position but before the tool is within
distance ε of the measuring position.
• The measuring position reached signal is not monitored on the
rising edge, but the state of the signal is simply monitored. So, if
the measuring position reached signal remains to be set to 1, and
automatic tool length measurement (M series) (automatic tool
offset (T series) (G36, G37) is then specified, the CNC issues the