Mitsubishi Electric MELSERVO-J4 series, Instruction Manual

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1 FUNCTIONS AND CONFIGURATION
1.7 Structure
43
1
*1 This is for MR-J4-_GF-RJ servo amplifier. MR-J4-_GF servo amplifier does not have CN2L connector.
*2 "External encoder" is a term for linear encoder used in the linear servo system, load-side encoder used in the fully closed loop system,
and scale measurement encoder used with the scale measurement function in this manual.
(11) Battery holder
Used to house the battery for absolute position data backup.

Page 384 Battery
(12) Protective earth (PE) terminal  Page 83 Connection example of power
circuit

Page 98 Explanation of power supply
system
(13) Main circuit power connector (CNP1)
Used to connect the input power supply.
(14) Rating plate  Page 41 Model designation
(15) Control circuit power connector (CNP2)
Used to connect the control circuit power supply and regenerative option.

Page 83 Connection example of power
circuit

Page 98 Explanation of power supply
system
(16) Servo motor power output connector (CNP3)
Used to connect the servo motor.
(17) Charge lamp
When the main circuit is charged, this will light up. While this lamp is lit, do not reconnect the cables.

(18)
*1*2
External encoder connector (CN2L)
Used to connect the external encoder. Refer to the following for the compatible external encoders.
 Page 18 Summary
 Page 104 Connectors and pin
assignment
"Linear Encoder Instruction Manual"
(19) Optional unit connector 1 (CN7)
This connector is used for connection with an optional unit. The connector is attached only on MR-J4-
_GF_-RJ.

(20) Optional unit connector 2 (CN9)
This connector is used for connection with an optional unit. The connector is attached only on MR-J4-
_GF_-RJ.

No. Name/Application Detailed explanation