
Signal addresses
• Parameter No.5040#2(MOP)=0
#7 #6 #5 #4 #3 #2 #1 #0
G0297 AOFS2 AOFS1 CHGAO
#7 #6 #5 #4 #3 #2 #1 #0
F0297 MCHAO
• Parameter No.5040#2(MOP)=1
#7 #6 #5 #4 #3 #2 #1 #0
G0203 AOFS2 AOFS1 CHGAO
#7 #6 #5 #4 #3 #2 #1 #0
F0199 MCHAO
The following timing chart shows how the input and signals behave.
utomatic operation
starting signal (STL)
ctive offset change mode
signal (CHGAO)
ctive offset changing
signal (MCHAO)
The offset selected by the active offset
selection signal (AOFS1 or AOFS2) is
changed by manual feed.
command such as Hxxx, Dxxx or G54
specifies what tool compensation number
or workpiece coordinate system is to be
made valid.
Manual feed
(handle/incremental/jog)
mode
Operation restarts
with the new offset.
Operation is put at pause
(stop) to change the offset.
Edit
Apprv.
Desig.
Sheet
Title
Draw
No.
7
10
Date
Design
Descri
tion
Date
FANUC Series16i/18i/21i–MA/MB
Changing Active Offset Value
with Manual Move.
02 030205 Overall revision
001106 S. Isohata E. Genma
A-78535E