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15. ABSOLUTE POSITION DETECTION SYSTEM
M4 C0
D5K1X30MOV
K2DROR
D2D2D5
C0
C1
C2
M6
M5
Y41 X32
M7
Y42 X32
Y42 X32 T200
3 3
4 4
D5H0003WAND
A0D5WOR
D0
M6PLS
K10RORP
A0H003FWAND
M1
M2
D6A0MOV
Y4A
Y42RST
M7PLS
Y42SET
T200
K1
M4
D2 A0
D2 A0
Reading ABS data
32 bits
(2 bits 16 times)
Detecting ABS data
checksum error
ABS request
control
Reading 4 bits
Masking 2 bits
Adding 2 bits
Right rotation of A0 2 bits
Adding checksum
Counting frequency of ABS
data reception
Completion of reading: 2 bits
of ABS data
Right rotation of A0 10 bits
Masking checksum
Sum check OK
Sum check NG
Sum check memory
ABS checksum error
Resetting ABS request
ABS 2 bits request
Setting ABS request
10ms delay timer
Transmission data read
enabled
(Continued from preceding page)
(To be continued)
Read
enabled
ABS data
counter
Check
sum
counter
Retry counter
ABS 2 bits read
completion
Checksum 2 bits read completion
ABS transfer
mode
Send data
ready
ABS 2 bits request
ABS
request
Send data ready
10ms delay timer