18. MR-J4W2-0303B6 SERVO AMPLIFIER
18 - 2
18.1.2 Function block diagram
The function block diagram of this servo is shown below.
CN5
USB
USB
Personal
computer
Servo system
controller or
servo amplifier
I/F
Control
Servo
amplifier
or cap
CN1A
CN1B
D/A
CN3
Current
detector
Regene-
rative
TR
Control
circuit
power
supply
Servo amplifier
Base amplifier
+
+
CHARGE
lamp
RA
PM
0
U1
V1
W1
U
V
W
Electro-
magnetic
brake
B
RA
24 V DC
B1
B2
Encoder
A-axis servo motor
M
Built-in
regenerative
resistor
Current
detection
(B)
Current
detector
Regenerative
brake
Virtual
encoder
Virtual
motor
Model position
control (A)
Model speed
control (A)
Model position
control (B)
Model speed
control (B)
Control (A)
Actual position
control (A)
Actual speed
control (A)
Current
control (A)
Actual position
control (B)
Actual speed
control (B)
Current
control (B)
Virtual
encoder
Virtual
motor
Control (B)
Battery
(absolute position
detection system)
U2
V2
W2
U
V
W
Electro-
magnetic
brake
B
RA
24 V DC
B1
B2
Encoder
B-axis servo motor
M
CNP1
CN2B
Overvoltage
Current
detection
(A)
Overcurrent
(A)
Overcurrent
(B)
Analog monitor
(two channels)
Digital
I/O control
Inverter (A)
Inverter (B)
CNP1
CNP1
CN2A
CN4
Circuit
protector
48 V DC
24 V DC
48 V DC main circuit
power supply
Circuit
protector
24 V DC
24 V DC main circuit
power supply
24
E1
E2
MR-BAT6V1SET-A
Step-
down
circuit
Summary of Contents for MR-J4W2-0303B6
Page 39: ...2 INSTALLATION 2 8 MEMO ...
Page 97: ...4 STARTUP 4 20 MEMO ...
Page 181: ...6 NORMAL GAIN ADJUSTMENT 6 28 MEMO ...
Page 235: ...9 DIMENSIONS 9 6 MEMO ...
Page 245: ...10 CHARACTERISTICS 10 10 MEMO ...
Page 309: ...13 USING STO FUNCTION 13 14 MEMO ...
Page 365: ...15 USING A DIRECT DRIVE MOTOR 15 24 MEMO ...
Page 389: ...16 FULLY CLOSED LOOP SYSTEM 16 24 MEMO ...
Page 461: ...17 APPLICATION OF FUNCTIONS 17 72 MEMO ...
Page 556: ...APPENDIX App 41 ...
Page 585: ...MEMO ...