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1. FUNCTIONS AND CONFIGURATION
(5) MR-J3-350A4
MR-J3-500A(4)
POINT
The servo amplifier is shown without the front cover. For removal of the front
cover, refer to section 1.7.2.
Section 3.2
Section 3.4
MODE UP DOWN SET
Fixed part
(4 place)
Cooling fan
Rating plate
Section 1.5
Display
The 5-digit, seven-segment LED shows the servo
status and alarm number.
Power factor improving DC reactor terminal block (TE3)
Used to connect the power factor improving DC reactor.
Name/Application
Operation section
Used to perform status display, diagnostic, alarm and
parameter setting operations.
Used to change the
display or data in each
mode.
Used to set data.
Used to change the
mode.
MODE
UP
DOWN
SET
Analog monitor connector (CN6)
Outputs the analog monitor.
USB communication connector (CN5)
Connect the personal computer.
RS-422 communication connector (CN3)
Connect the personal computer.
I/O signal connector (CN1)
Used to connect digital I/O signals.
Encoder connector (CN2)
Used to connect the servo motor encoder.
Battery connector (CN4)
Used to connect the battery for absolute position data
backup.
Charge lamp
Lit to indicate that the main circuit is charged. While
this lamp is lit, do not reconnect the cables.
Protective earth (PE) terminal ( )
Ground terminal.
Section 3.1
Section 3.3
Section 12.9
Chapter 14
Section 3.4
Section 12.1
Section 14.3
Section 12.8
Chapter 13
Section 12.8
Section 3.2
Section 3.4
Chapter 6
Chapter 6
Detailed
explanation
Section 3.1
Section 3.3
Section 3.1
Section 3.3
Section 3.1
Section 3.3
Battery holder
Contains the battery for absolute position data backup.
Main circuit terminal block (TE1)
Used to connect the input power supply and servo motor.
Control circuit terminal block (TE2)
Used to connect the control circuit power supply.