beautypg.com

Communication functions – MITSUBISHI ELECTRIC MELSERVO MR-J2S- A User Manual

Page 285

background image

14 - 6

14. COMMUNICATION FUNCTIONS

(2) Transmission of data request from the controller to the servo

S

O
H

S
T
X

E
T
X

S
T
X

E
T
X

Controller side
(Master station)

Servo side
(Slave station)

10 frames

C

o

mma

n

d

Data

No.

Check

sum

E

rr

o

r code

Data*

Check

sum

6 frames (data)

Station number

Station number

(3) Recovery of communication status by time-out

E

O

T

Controller side
(Master station)

Servo side
(Slave station)

EOT causes the servo to return to
the receive neutral status.

(4) Data frames

The data length depends on the command.

or

Data

4 frames

Data

8 frames

or 12 frames or 16 frames