Mitsubishi Electric MR-E A Series Instruction Manual page 19

1. FUNCTIONS AND CONFIGURATION
1.2 Function block diagram
The function block diagram of this servo is shown below.
(Note 2)
Power
NFB
supply
3-phase
200 to
230VAC,
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1-phase
230VAC
Note:1. The built-in regenerative brake resistor is not provided for the MR-E-10A/20A.
Regenerative brake option
Servo amplifier
(Note 3)
DS RA
MC
L
1
L
2
L
3
Fan
(MR-E-200A only)
Control
power
supply
Regenerative brake
Pulse
input
Model position
control
Actual position
control
(Note 3)
D I/O control
2. The single-phase 230VAC can be used for MR-E-70A or smaller servo amplifier.
Connect the power supply cables to L
3. The control circuit connectors (CN1, CN2 and CN3) are safely isolated from main circuit terminals
(L , L , L , U, V, W, P, C and D).
1 2 3
(Note 3)
P C D
(Note 1)
Regenerative
TR
CHARGE
lamp
Voltage
Base amplifier
detection
Model speed
control
Model Model torque
Model
position speed
Actual speed
control
RS-232C D/A
I/F
CN1
CN3
(Note 3)
Servo on
Start
Failure, etc.
and L while leaving L
1 2
1 - 2
(Note 3)
U
V
Current
detector
W
Dynamic
brake
(Note 3)
Current
Overcurrent
detection
protection
Virtual
encoder
Virtual
motor
Current
control
Analog monitor
(2 channels)
Controller
RS-232C
open.
3
Servo motor
U
V
SM
W
E1
Electro-
magnetic
E2
brake
Encoder