Mitsubishi Electric MR-E A Series Instruction Manual page 247

15. MR-E-
15.1.2 Function block diagram
The function block diagram of this servo is shown below.
(Note 2)
NFB
Power
supply
3-phase
200 to
www.DataSheet4U.com 230VAC
Single-phase
230VAC
Note: 1. The built-in regenerative brake resistor is not provided for the MR-E-10AG/20AG.
AG SERVO AMPLIFIER COMPATIBLE WITH ANALOG INPUT
Regenerative brake option
Servo amplifier
(Note3)
DS RA
MC
L
1
L
2
L
3
Fan
(MR-E-200AG only)
Control
power
supply
Regenerative
brake
A/D
CN1
(Note 3)
D I/O control
Servo On
Analog
Start
(2 channels)
Failure, etc.
2. Single-phase 230VAC power supply can be used for MR-E-70AG or servo amplifiers with smaller
capacities. Connect the power 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)
Current
Regenerative
detector
TR
CHARGE
lamp
Base amplifier
Voltage
detection
Model
speed control
Virtual
motor
Model torque
Model
speed
Current
Actual speed
control
control
RS-232C D/A
I/F
CN3
(Note 3)
and L while leaving L
1 2
15 - 2
(Note 3)
U
V
W
Dynamic brake
(Note 3)
Over-
Current
current
detection
protection
Virtual
encoder
Analog monitor
(2 channels)
Controller
RS-232C
open.
3
Servo motor
U
V
SM
W
E1
Electro-
magnetic
E2
brake
Detector