Mitsubishi Electric Q Series Programming Manual page 150

4 POSITIONING SIGNALS
(9) Tool length offset data storage register (D810+20n, D811+20n)
(a) This register stores the offset value specified in the tool length offset data
No..
Tool length offset data storage register is shown bellow.
Offset value
(b) The contents of the data registers (D1650 to D1689 : offset value)
corresponding to the setting tool length offset data No. is stored in the tool
length offset area at the tool length offset (G43, G44) command.
[Example] When the X axis is assigned to axis 3
D1650,D1651=50000(H1=5.0000mm)
50000 is stored into D850 and D851.
0 is stored into D850 and D851.
Applicable registers
Higher rank
D811+20n
Execute "G43 X50. H1 ;".
Execute "G49 X50. ;".
4 - 71
.................. Monitor device
Lower rank
D810+20n