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  4. Linear amplifier DC/AC servo driver LPV series LPVSA140A (Servo Techno Co., Ltd.)
Linear amplifier DC/AC servo driver LPV series LPVSA140A-LPVSA140A
Linear amplifier DC/AC servo driver LPV series LPVSA140A-Servo Techno Co., Ltd.

Linear amplifier DC/AC servo driver LPV series LPVSA140A
Servo Techno Co., Ltd.

About This Product

■Summary

The LPVSA series was developed as a servo driver that uses an ultra-precision voice coil linear motor for high-speed positioning and switches to torque control to control pressing force. For the position feedback signal, use a 2-phase encoder for A and B phases, and input a pulse train (or ±10V) to the position command input to perform ultra-high-speed positioning. After positioning is completed, switch to torque control, input ±10V from the torque command input, and control the pressing force with analog voltage. Also, since analog signals can be input for positioning, it is also possible to control high-speed operation of the voice coil motor using the sine wave of the oscillator. Power control uses a linear amplifier system, achieving noiseless, high-speed response, and linear torque control, enabling ultra-precise positioning in nanometer units. The frequency characteristics of the linear amplifier are DC to 20KHz when using a resistive load. The main circuit is a single-phase bridge configuration.

■Features

- Circuits that require high-speed processing are processed using analog calculations, and in order to eliminate problems with high resolution and noise, the position feedback signal is input as a two-phase encoder signal of A and B phases. ・Positioning commands can be either ±10V analog signals or CW or CCW pulse trains. - Demonstrates quick response even to minute feeds. ・Very fast response due to no sampling control. - High speed of 10MPPSmax, so it can be used with high-resolution encoders. -No switching noise.

■Applications

Voice coil type linear motors, bonding wires, scanners, galvano mirrors, etc.

  • Product

    Linear amplifier DC/AC servo driver LPV series LPVSA140A

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1 Models of Linear amplifier DC/AC servo driver LPV series LPVSA140A

Image Part Number Price (excluding tax) Current frequency response Power control method Weight Function indicator lamp Function Output signal Function Input signal Function Protection function Maximum output Command input Rated output External dimensions (W×D×H) Control power supply Control method Control loop Storage temperature, humidity Operating temperature and humidity Positioning Position/current command input Main power supply Main circuit Encoder input
Linear amplifier DC/AC servo driver LPV series LPVSA140A-Part Number-LPVSA140A

LPVSA140A

Available upon quote

DC~20KHz or more
(resistive load)

Linear amplifier

690g

Overcurrent trip (CUR), motor high temperature abnormality (TMP),
Inposition (INP), Full Count (FC),
Encoder error
(Lights red)

Alarm (over high temperature, overcurrent trip, full count)
In-position, A phase, B phase, Z phase
Photocoupler output (ABZ phase is AM26LS31 output)

CW/PULS, CCW/DIR, servo on,
stop, gain low, gain 0,
Position control/current control switching, current control,
alarm reset
(Photocoupler input +5V)

Overcurrent, FET overheating,
Power supply abnormality, motor overheating

Voltage ±V42
Current ±A3.5

Analog command ±10V
CW (PULS), CCW (DIR)
(Maximum resolution: 16BIT)

Voltage ±V44
Current ±A1.5

160×104×84mm

#ERROR!

Based on digital/analog conversion method
Deviation counter + analog calculation servo

Current control
speed control
position control

Temperature: -20~+50℃
Humidity: 85%RH or less
(No condensation)

Temperature: 0~+50℃
Humidity: 85%RH or less
(No condensation)

±1 pulse
(4 times)

Analog command ±10V

DC48V (DC36V~76V)

Single phase power FET bridge

2 phase incremental encoder
line receiver input
(Open collector available)

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Servo Techno Co., Ltd.

  • Japan

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