Servo Amplifier Replacement Model; Features; Important Points To Note When Replacing - Mitsubishi Electric MELSERVO-J4 Series Transition Handbook

【Appendix 1】 Introduction to Renewal Tool
[Appendix 1] Introduction to Renewal Tool
1. SUMMARY
The MR-J3 renewal tool is a tool to replace the presently used "MR-J3 series", "MR-J3W series" servo
amplifier with the "MR-J4 series" servo amplifier. We are prepared to provide mounting attachments
compatible with the existing mounting dimensions and conversion cables compatible with the existing cables.

1.1 Servo amplifier replacement model

Type
General-purpose interface
SSCNET Interface

1.2 Features

・Wiring work can be shortened because the existing cables can be connected as they are. (except for some
models)
・The renewal kit can be mounted using the existing mounting holes.

2. IMPORTANT POINTS TO NOTE WHEN REPLACING

(1) Depending on the condition of the existing setup, sometimes noise reduction techniques are necessary
when replacing.
(2) When using the existing cables, please consider the remaining life of the cables. If deterioration is
significant, replacing with a new cable is recommended.
(3) Because the conversion cable does not have a long bending life, fix the cable when using.
(4) When using the control signal conversion cable "SC-J3WJ4WCTC03M", refer to the cable connection
diagram in section 6.2.5.
(5) Contact a Mitsubishi Electric. if the existing MR-J3 servo amplifier or servo motor is a special product.
POINT
For details and the latest version of the tool and compatible models, check the
website of Mitsubishi Electric System & Service Co., Ltd.
Former model
MR-J3-_A
MR-J3-_A4
MR-J3-_B
MR-J3-_B4
MR-J3W-_B
Appendix 1 - 2
Replacement
MR-J4-_A
MR-J4-_A4
→ MR-J4-_B
MR-J4-_B4
MR-J4W2-_B