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4 POSITIONING SIGNALS
(5) Execute sequence No. (sub) storage register (D805+20n)
.....…..…….. Monitor device
(a) This register sotres the N No. of the subprogram started by "M98"
(subprogram call).
(b) When a subprogram is called from a subprogram, this number changes to
the N No. of the subprogram called.
When the subprogram is ended by "M99", this number changes to the N
No. of the subprogram which called.
(c) This number changes to "0" using the Motion dedicated instruction
(S(P).SVST) at the Motion program start.
(6) Execute block No. (sub) storage register (D806+20n)
.....…..…….. Monitor device
(a) This register stores the block No. of the subprogram started by "M98"
(subprogram call).
(b) When a subprogram is called from a subprogram, this number changes to
the block No. of the subprogram called.
When the subprogram is ended by "M99", this number changes to the block
No. of the subprogram which called.
(c) This number changes to "0" using the Motion dedicated instruction
(S(P).SVST) at the Motion program start.
(7) G43/G44 command storage register (D808+20n)
....…….. Monitor device
(a) This register stores the following values when the tool length offset (G43,
G44) or tool length offset cancel (G49) set in the Motion program is
executed.
• For G43....…….43
• For G44....…….44
• For G49....…….0
(b) The default value is "0".
(8) Tool length offset data No. storage register (D809+20n)
....…….. Monitor device
(a) This register stores the setting tool length offset data No. at the tool length
offset (G43, G44) command.
[Example] When the X axis is assigned to axis 3
Execute "G43 X100. H20 ;".
20 is stored in D849.
(b) The default value is "0".