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1. FUNCTIONS AND CONFIGURATION
(7) MR-J3-11KA(4) to MR-J3-22KA(4)
POINT
The servo amplifier is shown without the front cover. For removal of the front
cover, refer to section 1.7.2.
Section 3.1
Section 3.3
Main circuit, control circuit and protective earth (PE)
terminal block
Used to connect the input power supply, servo motor,
regenerative option and ground.
MODE UP DOWN SET
Name/Application
Detailed
explanation
Chapter 6
Chapter 6
Display
The 5-digit, seven-segment LED shows the servo
status and alarm number.
Operation section
Used to perform status display, diagnostic, alarm and
parameter setting operations.
Used to set data.
Used to change the
mode.
Used to change the
display or data in each
mode.
MODE
UP
DOWN
SET
USB communication connector (CN5)
Connect the personal computer.
Section 12.8
Analog monitor connector (CN6)
Outputs the analog monitor.
Section 3.2
Section 3.4
RS-422 communication connector (CN3)
Connect the personal computer.
Section 12.8
Chapter 13
I/O signal connector (CN1)
Used to connect digital I/O signals.
Section 3.2
Section 3.4
Battery holder
Contains the battery for absolute position data backup.
Section 14.3
Encoder connector (CN2)
Used to connect the servo motor encoder.
Section 3.4
Section 12.1
Battery connector (CN4)
Used to connect the battery for absolute position data
backup.
Section 12.9
Chapter 14
Charge lamp
Lit to indicate that the main circuit is charged. While
this lamp is lit, do not reconnect the cables.
Rating plate
Section 1.5
Cooling fan
Fixed part
(4 place)