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1. FUNCTIONS AND CONFIGURATION
1 - 8
(3) MR-J3-500B-RJ080W
POINT
The servo amplifier is shown without the front cover. For removal of the front cover,
refer to section 1.7.2 of the MR-J3-
B Servo Amplifier Instruction Manual.
SSCNET cable connector (CN1B)
Used to connect the rear axis servo amplifier. For the final
axis, puts a cap.
D
C
B
A
7
9
6
8
5
4
3
2
1
0
F
E
12
ON 4E
SW1
SW2
TEST
Cooling fan
Fixed part
(4 places)
8
7
6
5
4
3
2
1
0
F
E
D
C
B
A
9
Display
The 3-digit, seven-segment LED shows the servo
status and alarm number.
Rotary axis setting switch (SW1)
Used to set the axis No. of servo amplifier.
SW1
Test operation select switch (SW2-1)
Used to perform the test operation
mode by using MR Configurator.
For manufacturer setting (Be sure to set
to the "Down" position).
USB communication connector (CN5)
Connect the personal computer.
I/O signal connector (CN3)
Used to connect digital I/O signals.
More over an analog monitor is output.
SSCNET cable connector (CN1A)
Used to connect the servo system controller or the front
axis servo amplifier.
Encoder connector (CN2)
Used to connect the direct drive motor encoder.
SW2
21
Refer to the
MR-J3- B
Servo
Amplifier
Instruction
Manual.
Section 3.3
Refer to the
MR-J3- B
Servo
Amplifier
Instruction
Manual.
Name/Application
Detailed
explanation
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.
Rating plate
Section 3.2
Section 1.4
Power factor improving DC reactor terminal block (TE3)
Used to connect the power factor improving DC reactor.
Main circuit terminal block (TE1)
Used to connect the input power supply and direct drive
motor.
Control circuit terminal block (TE2)
Used to connect the control circuit power supply.
Refer to the
MR-J3- B
Servo
Amplifier
Instruction
Manual.
Battery holder
Install the battery MR-J3BAT.
Connector for manufacturer setting (CN2L)
Not used for this servo amplifier.
Battery connector (CN4)
Used to connect the battery for absolute position data
backup.
Chapter 2
Section 3.4
Chapter 9