Mitsubishi Electric MELSERVO-J4 Series Transition Handbook page 501

Part 7: Common Reference Material
(3) Software version
The following shows how to read the software version of the servo amplifier.
(a) Transmission
Transmit command [0] [2] and data No. [7] [0].
(b) Return
The slave station returns the requested software version.
Command Data No.
[0] [2] [7] [0]
Software version (15 digits)
Space
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