Operation – MITSUBISHI ELECTRIC MR-J2S- CL User Manual

Page 117

Advertising
background image

4 - 34

4. OPERATION

(3) Timing chart

The following shows the timing chart that starts after selection of the program including the "ZRT"
command.

ON
OFF

ON
OFF

ON
OFF

ON
OFF

td

ON
OFF

Movement complete (PED)

Home position return

completion (ZP)

Servo motor speed

Z-phase

Proximity dog (DOG)

Forward rotation start (ST1)

Home position

Proximity dog

5ms or more

Parameter No. 41

Acceleration time

constant

Home position return

speed Parameter No. 9

Parameter No. 41

Deceleration time constant

Creep speed

Parameter No. 10

Home position shift

distance Parameter No. 11

Home position address

Parameter No. 42

3ms or less

Forward
rotation
0 r/min

The address on completion of home position return is the value automatically set in parameter No.42
(home position return position data).

(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

Servo motor Z

phase

Proximity dog

(DOG)

Proximity

dog

Advertising