Mitsubishi melservo-j2 series Instruction Manual page 158

8. COMMUNICATION FUNCTIONS
(2) Transmission of data request from the controller to the servo
S
Controller side O
H
Servo side
(3) Recovery of communication status by time-out
EOT causes the servo to return to
E
the receive neutral status.
Controller side
O
T
Servo side
Data: Choose the data length from among 4, 8, 12 and 16 frames (data length depends on the command).
4 frames
10 frames
S E
Data Check
T T
No. sum
X X
Station number
or
group
or
Data
S
T
X
Data or 12 frames or 16 frames
8 frames
8 - 5
Station number
or
group
E
Check
Data T
sum
X
6 frames (data)