Autonics Ai-M-42LA Manuel - Sayfa 14

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Autonics Ai-M-42LA Manuel
两相步进电机马达样本闭环步进电机驱动器说明书 韩国Autonics步进伺服马达选型样本pdf资料
Ai-SERVO
1)System overview
Ai-Servo is a closed-loop stepper motor system that combines the strengths of stepper motor systems and servo motor systems.
The integrated encoder allows accurate motor movement through feedback, a characteristic of servo motors.
As with stepper motors, Ai-Servo has a fast response rate for continuous short stroke positioning and does not have hunting problem, reduc-
ing vibrations.
Ai-Servo does not need to be tuned during initial setup, is equipped with various alarm functions, and boasts higher torque and reduced
overheating problems.
2)Control properties
Target position
+
-
3)Feature comparision between Ai-SERVO and conventional system
Stepper system
Accuracy
Low position control accuracy
Hunting
No hunting when stopped
Low speed
Vibration in low speed
operation
Continuous drive High response rate
System setting
Quick and easy setting
Optimized for short continuous high-
Applications
speed drive
Features
1) Fast response rates and accurate position control
The integrated encoder compares the current position with the
received command pulse then provides feedback, allowing for
accurate positioning.
Controller
Pulse signal
Positioning com-
pleted signal
Alarm signal
2) 10-stage resolution
10-stage resolution of up to 10,000 P/R allows highly precise posi-
tion control (up to 0.036°).
500 1000
1600 2000
奥托尼克斯电子中国autonics电机热线 4006-022-002
Closed-Loop Stepper Motor System
Target
Inverter
position
Closed-loop system
Ai-SERVO
High position control accuracy
No hunting when stopped
Low vibrations in low speed
High response rate
Quick and easy setting
Optimized for lengthy high-speed drive Optimized for lengthy high-speed drive
Motor+Encoder
Driver
Encoder signal
3200 3600
5000
6400 7200 10000
Up to 0.036
positioning
control
※Torque graph when stopped
Ai-SERVO
Motor
Encoder
-7.2°
-5.4°
-3.6°
When rotating the motor while stopped, the encoder
detects the rotation of the motor and controls the
motor so that it generates the maximum torque.
Servo system
High position control accuracy
Hunting when stopped
Low vibrations in low speed
Slower response rate (correction time)
Gain tuning required
3) No hunting for accurate stop positioning
Unlike servo systems which require hunting (fine vibration) when
stopped, AiS series does not require hunting for stable and ac-
curate stop positioning.
Complete stop
(Ai-SERVO)
Monitor
Camera
深圳 北京 上海 株洲 天津 青岛
Conventional
stepper mo-
tors
-1.8°
0°
1.8°
3.6°
5.4°
Subtle vibration
(Conventional servo motors)
Ai-SERVO
motor
Driver
Optical inspection equipment
(A)
Photoelectric
Sensors
(B)
Fiber
Optic
Sensors
(C)
Door/Area
Sensors
(D)
Proximity
Sensors
(E)
Pressure
Sensors
(F)
Rotary
Encoders
(G)
Connectors/
Sockets
(H)
Temperature
7.2°
Controllers
(I)
SSRs / Power
Controllers
(J)
Counters
(K)
Timers
(L)
Panel
Meters
(M)
Tacho /
Speed / Pulse
Meters
(N)
Display
Units
(O)
Sensor
Controllers
(P)
Switching
Mode Power
Supplies
(Q)
Stepper Motors
& Drivers
& Controllers
(R)
Graphic/
Logic
Panels
(S)
Field
Network
Devices
(T)
Software
Q-15