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Operation – MITSUBISHI ELECTRIC MR-J2S- CP User Manual

Page 120

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4. OPERATION


(3) Timing chart

ON
OFF

Reverse rotation start (ST2)

ON
OFF
ON
OFF

ON
OFF

ON
OFF
ON
OFF
ON
OFF

td

Movement finish (MEND)

Rough match (CPO)

Home position return

completion (ZP)

Servo motor speed

Z-phase

Proximity dog (DOG)

Forward rotation start (ST1)

Home position

Proximity dog

5ms or more

Point table No. 1
Acceleration time
constant

Home position return
speed Parameter No. 9

Point table No. 1
Deceleration time constant

Creep speed
Parameter No. 10

Home position shift
distance Parameter No. 11

Home position address
Parameter No. 42

3ms or less

The parameter No.42 (home position return position data) setting value is the positioning address
after the home position return is completed.

(4) Adjustment

In dog type home position return, adjust to ensure that the Z-phase signal is generated during dog
detection. Locate the rear end of the proximity dog (DOG) at approximately the center of two
consecutive Z-phase signals.
The position where the Z-phase signal is generated can be monitored in "Within one-revolution
position" of "Status display".

OF

0

65536

0

ON

Proximity dog

(DOG)

Proximity

dog

Servo motor

Z-phase