Communication Function (Mitsubishi General-Purpose Ac Servo Protocol) - Mitsubishi Electric MELSERVO-J3 Series Handbook

Part 6: Common Reference Material

4. COMMUNICATION FUNCTION (MITSUBISHI GENERAL-PURPOSE AC SERVO PROTOCOL)

You can operate servo driving, parameter change, monitor function, etc. using RS-422 communication
(Mitsubishi general-purpose AC servo protocol) with the servo amplifier.
POINT
RS-422 serial communication function is supported by servo amplifier with
software version A3 or later.
The USB communication function (CN5 connector) and the RS-422
communication function (CN3 connector) are mutually exclusive functions. They
cannot be used together.
This function is not available with MR-J4-_B_(-RJ) and MR-J4W2-_B servo
amplifiers.
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