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1. FUNCTIONS AND CONFIGURATION
1.2 Function block diagram
The function block diagram of this servo is shown below.
Regenerative option
Servo amplifier
CHARGE
lamp
Servo motor
Regenerative
TR
(Note 1)
Base amplifier
Voltage
detection
Overcurrent
protection
Encoder
Dynamic
brake
Control
power
supply
Electro-
magnetic
brake
Current
detection
Model position
control
Model speed
control
Pulse
input
Model
position
Actual position
control
Actual speed
control
Current
control
Model
torque
Virtual
motor
Virtual
encoder
Model
speed
D I/O control
Servo on
Start
Failure, etc.
Controller
Analog monitor
(2 channels)
D
C
P
NFB MC
L
1
L
2
L3
CN1
CN3
RS-232C
I/F
CN2
U
V
W
U
V
W
M
RS-232C D/A
(Note 3)
(Note 3)
(Note 3)
(Note 3)
(Note 3)(Note 3)
(Note 2)
Power
supply
(Note 4)
Cooling fan
Current
detector
Diode
stack
B2
B1
Relay
RA
24VDC
Note 1. The built-in regenerative resistor is not provided for the MR-E-10A-QW003/MR-E-20A-QW003.
2. The single-phase 230VAC can be used for MR-E-70A-QW003 or smaller servo amplifier.
Connect the power supply cables to L
1
and L
2
while leaving L
3
open. Refer to section 1.3 for the power supply specification.
3. The control circuit connectors (CN1, CN2 and CN3) are safely isolated from main circuit terminals
(L
1
, L
2
, L
3
, U, V, W, P, C and D).
4. Servo amplifiers MR-E-200A-QW003 have a cooling fan.
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