15.ABSOLUTE POSITION DETECTION SYSTEM

(b)Device list

 

X input contact

 

Y output contact

X0

ABS bit 0 / completion of positioning

Y0

Servo-on

X1

ABS bit 1 / zero speed

Y1

ABS transfer mode

X2

Send ABS data ready/ torque limit control

Y2

ABS request

X3

Servo alarm

Y3

Alarm reset

X4

Alarm reset PB

Y4 (Note 2)

Electromagnetic brake output

X5

Servo emergency stop

Y5 (Note 1)

Clear

X6

Servo-on PB

Y10

Servo alarm

X7

Servo ready

Y11

ABS communication error

X10

JOG ( ) PB

Y12

ABS check sum error

X11

JOG () PB

 

 

 

 

X12

Position start PB

 

 

 

 

X13

Position stop PB

 

 

 

 

X14

Home position return start PB

 

 

 

 

X15

1PG error reset

 

 

 

 

 

D register

 

M contact

D0

ABS data: Lower 16 bits

M0

Error flag

D1

ABS data: Upper 16 bits

M1

ABS data transmission start

D2

Check sum addition counter

M2

Retry command

D3

Check data in case of check sum error

M3

ABS data read

D4

Transmission retry count in check sum

M4

Spare

 

discrepancy

 

 

 

 

D24

Home position address: Lower 16 bits

M5

Servo-on request

D25

Home position address: Upper 16 bits

M6

Retry flag

D106

1PG present position address: Lower 16 bits

M10

 

 

 

D107

1PG present position address: Upper 16 bits

M11

ABS data 2 bit receiving buffer

 

 

M12

 

 

 

 

 

 

 

M13

 

 

 

 

 

M20

 

 

 

 

 

 

ABS data 32 bit buffer

 

 

M51

 

 

 

 

 

M52

 

 

 

 

 

 

Check sum 6 bit buffer

 

 

M57

 

 

 

 

 

M58

For checksum comparison

 

 

M59

 

 

 

 

 

 

T timer

M62

Sum check discrepancy (greater)

T200

Retry wait timer

M63

Sum check discrepancy

 

 

 

 

 

T201

ABS transfer mode timer

M64

Sum check discrepancy (less)

T202

ABS request response timer

M70 (Note 1)

Clear signal ON timer request

T203

Ready to send response timer

M71 (Note 1)

Data set type home position return request

T204

ABS data waiting timer

M99

ABS data ready

T210 (Note 1) Clear signal ON timer

 

 

 

 

 

 

 

C counter

 

 

C0

All data reception frequency counter (19 times)

 

 

C1

Check sum reception frequency counter

 

 

C2

ABS data reception frequency counter (16 times)

Note 1: Necessary when data set type home position return is executed. 2: Necessary in the event of electromagnetic brake output.

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Mitsubishi Electronics MR-J2S- A Electromagnetic brake output, M62 Sum check discrepancy greater T200 Retry wait timer M63