Mitsubishi Electric MR-J2S-A Instruction Manual page 352

15. ABSOLUTE POSITION DETECTION SYSTEM
3
M4 C0
Read ABS data
enabled counter
C1
Check
sum
counter
D2 A0
D2 A0
C2
Retry counter
M6
ABS 2 bits read
completion
M5
Checksum 2 bits read completion
Y41 X32
ABS transfer Send data
mode ready
M7
ABS 2 bits request
Y42 X32
ABS Send data ready
request
Y42 X32 T200
10ms delay timer
4
3
(Continued from preceding page)
Reading 4 bits
MOV K1X30 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 frequency of ABS
C0
data reception
Completion of reading: 2 bits
PLS M6
of ABS data
Right rotation of A0 10 bits
RORP K10
Masking checksum
WAND H003F A0
Sum check OK
M1
Sum check NG
M2
Sum check memory
MOV A0 D6
ABS checksum error
Y4A
Resetting ABS request
RST Y42
ABS 2 bits request
PLS M7
Setting ABS request
SET Y42
K1
10ms delay timer
T200
Transmission data read
M4
enabled
4
(To be continued)
15 - 31
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Reading ABS data
32 bits
(2 bits 16 times)
Detecting ABS data
checksum error
ABS request
control