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  3. Servo Drivers
  4. PWM amplifier DC servo driver PMA□□-24VA series/PMA□□-48VA series (Servo Techno Co., Ltd.)
PWM amplifier DC servo driver PMA□□-24VA series/PMA□□-48VA series-PMA12-24VA
PWM amplifier DC servo driver PMA□□-24VA series/PMA□□-48VA series-Servo Techno Co., Ltd.

PWM amplifier DC servo driver PMA□□-24VA series/PMA□□-48VA series
Servo Techno Co., Ltd.

About This Product

■Summary

The PMA□□VA series is a DC servo driver that achieves low cost while pursuing servo performance. The power supply was developed as a single power supply for DC24V or DC48V battery power. The control loop is dedicated to torque (current) control, but voltage control can be added as an option. A compact design has been achieved by eliminating the electrolytic capacitor in the main circuit and using a ceramic capacitor. For commands, input ±10V analog commands from the external controller. The main circuit is a single-phase bridge configuration. Features

■High performance

・Current resolution 0.1% or less ・Current response 200μs or less (resistive load)

■Multi-function

・Standard: Torque (current) control ・Option: V (voltage control)

■Lightweight, compact, low cost

・A more compact design has been achieved by eliminating the electrolytic capacitor in the main circuit and replacing it with a ceramic capacitor. ・It has been made lighter and smaller by attaching a surface-mounted power FET directly to the board and dissipating heat directly to the case.

■Single power supply

The DC24V version has a wide input range of +9V to +36V, and the DC48V version has a wide input range of +18V to +63V, making it ideal for battery power.

■Isolated current sensor

Since it uses a small, high-performance current sensor using a Hall element, stable current control is possible without the influence of noise.

■Others

・Built-in dynamic brake ・Overvoltage (regeneration) protection ・Overheat protection ・Output short circuit protection ・Low voltage detection malfunction prevention ・Photocoupler isolation of input signal

■Applications

Various robots, AGVs, power amplifiers, variable power supplies, VCMs, and others.

  • Product

    PWM amplifier DC servo driver PMA□□-24VA series/PMA□□-48VA series

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1 Models of PWM amplifier DC servo driver PMA□□-24VA series/PMA□□-48VA series

Image Part Number Price (excluding tax) Power supply voltage range Current response Insulation voltage Linearity Derating Function indicator lamp Function Output signal Function Input signal Function Protection function Maximum output Command input impedance Command input Rated output External dimensions (W×D×H) Circuit Variable adjustment speed offset Variable adjustment output current limit Control loop Resolution Output circuit Input power voltage Storage temperature, humidity Operating temperature and humidity Dynamic brake current
PWM amplifier DC servo driver PMA□□-24VA series/PMA□□-48VA series-Part Number-PMA12-24VA

PMA12-24VA

Available upon quote

DC9V~36V

Within 200μs (63% step response)
(resistive load)

1,200V between main circuit and signal for 1 minute

3% or less

95% or more

Power ON (POW)
Overcurrent trip (CUR)
High temperature abnormality (TMP)

Servo ready, alarm
(high temperature abnormality, overcurrent trip)

Servo on, dynamic brake,
reset, run

Overcurrent, overvoltage,
Heat sink overheating, power supply abnormality

Voltage ±V19 (at power supply AC100V)
Current ±A30 (10sec)

30kΩ

0~±10V

Voltage ±V21 (at rated power supply voltage)
Current ±A12 (continuous)

165×147×34

Power MOSFET, PWM (15KHz),
reversible

Current zero VR5

0~100%VRFI

Speed ​​control, option V (current control),
Option TG (speed control)

1% or less

No reactor

DC12/24V
battery power

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

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

Maximum output current x 1.2

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Servo Techno Co., Ltd.

  • Japan

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