Mitsubishi Electric MR-J2S-A Instruction Manual page 376

15. ABSOLUTE POSITION DETECTION SYSTEM
3
M9 C0
Read ABS data
enabled counter
M9 C0
Read ABS data
enabled counter
C1 X22
Checksum
Ready to
counter
send ABS
data
D2 A0
D2 A0
C2
Retry counter
4
(Continued from preceding page) 3
Reading 4 bits
MOV K1X20 D5
Masking 2 bits
WAND H0003 D5
Adding 2 bits
WOR D5 A0
Right rotation of A0 2 bits
ROR K2
D1
Counting the number of
C1
checksum data
Completion of reading
PLS M10
checksum 2 bits
Reading 4 bits
MOV K1X20 D5
Masking 2 bits
WAND H0003 D5
Adding 2 bits
WOR D5 A0
Right rotation of A0 2 bits
DROR K2
Adding checksum
D5 D2 D2
D0
Counting the number of ABS
C0
data
Completion of reading ABS
PLS M11
2 bits data
Right rotation of A0 10 bits
RORP K10
Masking sum check
WAND H003F A0
Sum check OK
M6
Sum check NG
M7
Sum check memory
MOV A0 D6
ABS transfer mode OFF
SET M26
permission
ABS checksum error
Y3A
(To be continued) 4
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11)
Reading checksum
6bits
(2 bits 3 times)
11)
Reading ABS data
32 bits
(2 bits 16 times)
Detecting ABS
checksum error