Absolute position detection system – MITSUBISHI ELECTRIC MR-J2S- A User Manual

Page 352

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15. ABSOLUTE POSITION DETECTION SYSTEM

M4

C0

D5

K1X30

MOV

K2

DROR

D2

D2

D5

C0

C1

C2

M6

M5

Y41

X32

M7

Y42

X32

Y42

X32

T200

3

3

4

4

D5

H0003

WAND

A0

D5

WOR

D0

M6

PLS

K10

RORP

A0

H003F

WAND

M1

M2

D6

A0

MOV

Y4A

Y42

RST

M7

PLS

Y42

SET

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

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