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15. ABSOLUTE POSITION DETECTION SYSTEM
M1
K1D9K7912H0001DFROP
M1 Y4B
D3D3D*P
Y4BSET
K1D3K41H0001DTOP
Y49 X36
Y41
T0
Y41 Y42
Y41 X32
T0
T1
T3
4 4
D3D9D3D P
M3SET
Y41RST
K50
T1
K10
T3
K10
Y49
(Note)
5
5
K0DD3
Restoring absolute
position data
Detecting ABS
coordinate error
Writing ABS data
to A1SD71
ABS communicatio
n
error detecting
*1 A1SD71: reading home
position address
Inserting constant K for conversion
into the unit of feed per pulse
Adding home position address
to absolute position
Setting ABS coordinate error
*1 X-axis: Present position
change ABS data "ready"
ABS data "ready"
Resetting ABS transfer mode
ABS transfer mode timer (5s)
ABS request response timer
(1s)
Ready to send response
timer (1s)
ABS communication error
Note: When the unit setting parameter value of the AD71 positioning module is changed from "3" (pulse) to "0" (mm),
the unit is 0.1 m for the input value. To change the unit to 1 m, and this program to multiple the feed value
by 10.
(Continued from preceding page)
(To be continued)
Check sum OK
Check
sum OK
ABS coordinate error
ABS commu-
nication error
Servo-on PB
ABS transfer mode
ABS transfer
mode
ABS request
ABS transfer
mode
Send data ready
ABS transfer NG
ABS request NG
Send data ready NG
K