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13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
13.1.6 Parts identification
(1) Converter unit (MR-J3-CR55K(4))
POINT
The servo amplifier is shown without the front cover. For removal of the front
cover, refer to section 13.1.7.
Protective earth (PE) terminal ( )
Ground terminal.
L L terminal (TE2-1)
When using brake unit, connect it to this terminal. Do not
connect anything other than the brake unit.
Section 13.3.4
Name/Application
Detailed
explanation
I/O signal connector (CN1)
Used to connect digital I/O signals.
Main circuit terminal block (TE1-1)
Supply main circuit power.
Regenerative option Power factor improving DC reactor
(TE1-2)
Section 13.3.3
Charge lamp
Lit to indicate that the main circuit is charged. While
this lamp is lit, do not reconnect the cables.
L L terminal (TE2-2)
Used to connect to a drive unit using a connection
conductor supplied with drive unit.
Magnetic contactor control connector (CNP1)
Connect to the operation coil of the magnetic contactor.
Display
The 3-digit, seven-segment LED shows the servo status
and alarm number.
For manufacturer setting connector (CN6)
The connector is for manufacturer setting. Although the
shape is similar to analog monitor connector (CN6) of the
drive unit, do not connect anything including an analog
monitor.
Protection coordination connector (CN40)
Connect to CN40A of the drive unit.
Operation section
Used to perform status display, diagnostic, alarm,
parameter and point table setting operations.
MODE UP
DOWN
SET
Section 13.4
For manufacturer setting connector (CN3)
For manufacturer adjustment. Though the shape is similar
to RS-422 communication connector (CN3), do not
connect anything, including a personal computer and MR-
PRU03 parameter unit.
Fixed part
(4 places)
Cooling fan
Used to set data.
Used to change the
display or data in each
mode.
Used to change the
mode.
Control circuit terminal L
11
L
21
(TE3)
Supply control circuit power.
Section 13.1.4
Rating plate
Section 13.9.10