Piezo Drivers & controllers
To fulfill various requirements in terms of driving and control conditions for its piezo actuators (static, pulse, dynamic), CEDRAT TECHNOLOGIES has developped 3 different families of standard drivers:
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CA45 rack: Low cost & compact (1 channel) linear voltage amplifier for precise and quasi-static motion.
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LA75 rack: Linear voltage amplifier for dynamic and precise motion.
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SP75 rack: Switching power amplifier for fast motion.
Description:
The new UC65 is a board that can be plugged in the 75 family rack. It is based on a powerful DSP core and can control several independent or coupled channels. It can implement a very fast control loop with sampling rates up to 60khz for 1 channel.
Performance:
Include A/D and D/A converters to implement digital controls up to three independent channels with 16 bits Resolution. Sampling rate 60kSamples/s – Plugged with standard HDPM GUI to set your optimum control law (Proportional Integral Derivate parameters + Additional filters selected among standard low pass or stop band filters with orders up to 4). Texas Instrument Powerful DSP core able to control fast control loops
Available options:
Multi-channels control
Status:
Standard
Description:
The new UC75 is a new plate-form including real time targets able to improve the performances of the control techniques of the actuators. The UC75 includes a National Instrument Core based on Compact RIO@NI and the power of the Labview@NI Libraries to control any system with fast ticks with deterministic time.
Performance:
A/D converters: 4 up to 32; D/A converters: 4 up to 8; Resolution: 16 bits;
Available options:
Multi-channels control
Status:
Standard
Description:
The CA45 is a bipolar (-20 / +150 V) low cost and low noise compact single channel linear amplifier for driving low voltage piezoelectric actuators. The CA45 is a standalone one channel amplifier encased in a RK12 small rack, and can be equiped with feedback sensors in order to provide a closed loop control.
Performance:
Maximal Output Current(mA): 36
Available options:
Strain Gages Sensors Conditioner; Digital Servo-controller UC45
Status:
Standard
Description:
The ECS75 Eddy current sensor conditioner is implemented on a 19'board and can include up to 3 independent channels. The gain of each channel is generally set when the Eddy Current Sensor is embedded in the Piezo Mechanism.
Performance:
Supply voltage -15/15; Output voltage -10/10; Output bandwidth (Hz):10 000
Available options:
Status:
Standard
Description:
The Linear Amplifier LA75A is designed to drive capacitive loads like Piezoelectric Actuators with extremely low noise. It can perform amplifing operations in the -20/150 V range. The LA75A is a medium-power amplifier, integrated inside a Rack (RK42F) equipped with an AC/DC converter LC75A board.
Performance:
Maximal Output Current (mA): 90; Max Number Of Channel: 3 per board
Available options:
Strain Gages Sensors Conditioner; Eddy Current Sensors Conditioner; Push Pull; Digital Servo-controller UC45
Status:
Standard
Description:
The Linear Amplifier LA75 is designed to drive capacitive loads like Piezoelectric Actuators with extremely low noise. It can perform amplifing operations in the -20/150 V range. The LA75B is a high-power amplifier, integrated inside a Rack (RK42F) equiped with an AC/DC converter LC75B board.
Performance:
Maximal Output Current (mA): 360; Max Number Of Channel: 2 per board
Available options:
Strain Gages Sensors Conditioner; Eddy Current Sensors Conditioner; Push Pull; Digital Servo-controller UC45
Status:
Standard
Description:
The Linear Amplifier LA75 is designed to drive capacitive loads like Piezoelectric Actuators with extremely low noise. It can perform amplifing operations in the -20/150 V range. The LA75C has a much higher current capability, integrated inside a Rack (RK63F) equiped with an AC/DC converter LC75C.
Performance:
Maximal Output Current(A): 2,4; Max Number Of Channel: 1 per board
Available options:
Strain Gages Sensors Conditioner; Eddy Current Sensors Conditioner; Digital Servo-controller UC45
Status:
Standard
Description:
The CAµ10 is a unipolar (5V..150V) miniature linear amplifier with low noise and low cost features. A SPI digital to analogue converter is able to convert 12 bits words in analogue signal for the linear amplifier. Optional inputs can be connected if necessary to shunt the SPI bus and send directly the analogue order on the linear amplifiers.
Performance:
Maximum output current: 5 mA
Available options:
Push Pull
Status:
Standard
Description:
The SG75 Strain Gages conditioner is iattached to a 19' card. The conditioners should normally drive full Strain Gages bridges. The gain of the conditioner is generally set starting from the Strain Gages bridges bonded onto Piezo Actuators. This board can be sold on its iwn in a RK12F rack.
Performance:
Output Voltage(V): -12...12; Max. number of channels: 3 per board
Available options:
Status:
Standard
Description:
The SP75 is a bipolar (-20 / +150 V) switching power amplifier for driving low voltage piezoelectric actuators. The SP75 is integrated inside a Rack equipped with an AC/DC converter LC75B board.
Performance:
Maximal Output Current (mA): 360; Max Number Of Channel: 2; dimensions (mm): 12F wide 3 H high;
Available options:
Strain Gages Sensors Conditioner; Eddy Current Sensors Conditioner; Analog & Digital Servo-controller
Status:
Standard
Description:
The SP75 is a bipolar (-20 / +150 V) switching power amplifier for driving low voltage piezoelectric actuators. The SP75 amplifier exists through A or B version and is integrated inside a Rack equipped with an AC/DC converter board LC75C.
Performance:
Maximal Output Current (A): 3; Max Number Of Channel: 2; Width (mm): 10F; Height (mm): 3U
Available options:
Strain Gages Sensors Conditioner; Eddy Current Sensors Conditioner; Analog & Digital Servo-controller
Status:
Preliminary
Description:
The UC45 board uses a microcontroller to provide fully digital control of piezo-actuators at a rate of 10KHz. It features ADC and DAC with 16bits resolution, for applications where high resolution is required, such as ultra-precise positioning.
Performance:
Sampling frequency: 10 kHz; A/D converters: 4; D/A converters: 2; Computer interface: USB
Available options:
Multi-channel capability on request
Status:
Standard
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