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
Page 9: ...A 8 MEMO ...
Page 17: ...8 MEMO ...
Page 31: ...1 FUNCTIONS AND CONFIGURATION 1 14 MEMO ...
Page 95: ...4 STARTUP 4 20 MEMO ...
Page 169: ...6 NORMAL GAIN ADJUSTMENT 6 20 MEMO ...
Page 201: ...7 SPECIAL ADJUSTMENT FUNCTIONS 7 32 MEMO ...
Page 213: ...8 TROUBLESHOOTING 8 12 MEMO ...
Page 219: ...9 OUTLINE DRAWINGS 9 6 MEMO ...
Page 229: ...10 CHARACTERISTICS 10 10 MEMO ...
Page 295: ...13 USING STO FUNCTION 13 14 MEMO ...
Page 327: ...14 USING A LINEAR SERVO MOTOR 14 32 MEMO ...
Page 371: ...16 FULLY CLOSED LOOP SYSTEM 16 24 MEMO ...
Page 521: ...APPENDIX App 38 ...
Page 537: ...MEMO ...
Page 541: ......