HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 340)

01.98
TNC 407/TNC 415/TNC 425 13 Hirth coupling 4-215
LBL 293 ;read MP430.3
PS K + 430
PS K + 3
CM 9032
PL D28 ;Hirth grid
L M1
R M302
S M305 ;Submit 2 ready
EM
LBL
300 ;Subprogram for Hirth positioning
L M2719 ;word memory processing started
SN M3021 ;PLC error message: word memory not opened
L M2011 ;axis 4 in position
AN M2707 ;strobe PLC positioning axis 4 not active
CMT 30 ;calculate nominal grid value left and right
CM 360 ;actual axis 4 in grid spacing
Locking and unlocking
LN
M2011 ;axis 4 in position not fulfilled
S O3 ;reset lock
L M2 ;axis in grid spacing
A M2011 ;axis 4 in position
R O3 ;lock
Close control loop
LN
M2011 ;axis 4 in position
A I4 ;lock released
AN I6 ;axis not locked
R M2547 ;close control loop axis 4
Open control loop
L
M2 ;axis in grid spacing
A M2011 ;axis in position
A I6 ;axis locked
AN I4 ;axis not locked
S M2547 ;open control loop axis 4
R M300 ;reset activation Hirth UP
Close control loop
LN
I4 ;lock released
AN I6 ;axis not locked
AN M2011 ;axis in position
AN M2547 ;control loop axis 4 closed
S M2547 ;open control loop if lock not released