Mitsubishi Electric MELDAS C6 Programming Manual page 315

15. Measurement Support Functions
Precautions
(1) Program error (P600) results if G37 is commanded when the automatic tool length
measurement function is not provided.
(2) Program error (P604) results when no axis has been commanded in the G37 block or when
two or more axes have been commanded.
(3) Program error (P605) results when the H code is commanded in the G37 block.
(4) Program error (P606) results when G43_H is not commanded prior to the G37 block.
(5) Program error (P607) results when the sensor signal was input outside the allowable
measuring range or when the sensor signal was not detected even upon arrival at the end
point.
(6) When a manual interrupt is applied while the tool is moving at the measuring speed, a return
must be made to the position prior to the interrupt and then operation must be resumed.
(7) The data commanded in G37 or the parameter setting data must meet the following
conditions:
|Measurement point − start point| > R command or parameter r
> D command or parameter d
(8) When the D command and parameter d in (7) above are zero, operation will be completed
normally only when the commanded measurement point and sensor signal detection point
coincide. Otherwise, program error (P607) will results.
(9) When the R and D commands as well as parameters r and d in (7) above are all zero, program
error (P607) will result regardless of whether the sensor signal is present or not after the tool
has been positioned at the commanded measurement point.
(10) The automatic tool length measurement command (G37) must be commanded together with
the G43H_ command that designates the offset No.
G43H_;
G37 Z_ R_ D_ F_;
15.1 Automatic tool length measurement
307