Mitsubishi Electric MR-J2S-CP Instruction Manual page 313

15. COMMUNICATION FUNCTIONS
(3) Recovery of communication status by time-out
E
Controller side
O
T
(Master station)
Servo side
(Slave station)
(4) Data frames
The data length depends on the command.
or
Data
4 frames
EOT causes the servo to return to
the receive neutral status.
Data
8 frames
or 12 frames or 16 frames
15 - 6