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1. FUNCTIONS AND CONFIGURATION
1.1.1 Function block diagram
The function block diagram of this servo is shown below.
(Note2)
Power
supply
3-phase
200 to
230VAC,
or
1-phase
100 to
120VAC
NFB
MC
Servo amplifier
Regenerative brake option
(Note1)
(Note3)
PDC
DS
RA
L
1
L
2
L
3
CHARGE
lamp
Regenerative
brake
transistor
Dynamic
brake
Current
detector
Servo motor
SM
U
V
W
U
V
W
E2
E1
Encoder
Electro-
magnetic
brake
CN2
L
11
L
21
Fan
(MR-J2S-200CP or more)
Regenerative
brake
Base
amplifier
Voltage
detection
Overcurrent
protection
Control
power
supply
Current
detection
I/F
A/D
CN1A CN1B
RS-232C
RS-422
D/A
CN3
CON1
MR-BAT
Optional battery
(for absolute position
detection system)
D I/O control
Servo on
Start
Failure, etc.
Analog
(2 channels)
To other servo
amplifier
RS-422/RS-232C
Controller
Analog monitor
(2 channels)
Model adaptive control
Current
control
Position
control
Speed
control
Position
command
creation
Note:1. The built-in regenerative brake resistor is not provided for the MR-J2S-10CL (1).
2. For 1-phase 230VAC, connect the power supply to L
1
,L
2
and leave L
3
open.
L
3
is not provided for a 1-phase 100 to120VAC power supply.
3. For MR-J2S-350CL or less.
Program
SPN (1000)
STA (200)
STB (300)
MOV (500)
SPN (1000)
MOVA (1000)
MOVA (0)
STOP