Mitsubishi Electric MELSERVO-J2S Series Transition Handbook page 504

[Appendix 1] Summary of MR-J4_B_-RJ020 + MR-J4-T20
12. MODE SWITCHING METHOD
12.1 Mode Switching Method from J2S Compatibility Mode to J4 Mode
(1) Turn on the servo amplifier with the MR-J4-T20 removed.
(2) Run the application of "MR-J4(W)-B Change mode" or "MR Mode Change" and verify that "J2S
Compatibility Mode" is not displayed in "Compatibility Mode". If displayed, try again from (1) of this
section.
(3) Select "Change the mode" and then choose "J4 mode". Do not choose any control mode other than
"Standard control mode" for the "Operation Mode".
(4) Click the "Write (W)" button.
(5) By cycling the power supply of the servo amplifier, the mode will switch to J4 mode.
POINT
There are function limits for the MRJ4-_B servo amplifier when using the MRJ4-
_B_-RJ020 servo amplifier in J4 mode. Regarding other functions, they are the
same as for the MRJ4-_B servo amplifier.
Function
CN2L connector
Linear servo system
Direct drive servo system
Fully closed loop system
Appendix 1-41
Availability
MR-J4-_B_ MR-J4-_B_-RJ020
Yes
None
(Not compatible)
Compatible Not compatible
Compatible Not compatible
Compatible Not compatible