E-482 PICA High-Performance Piezo Amplifier / Servo Controller

High Energy Efficiency due to Energy Recovery

Peak current 6 A
Output voltage to 1050 V
Integrated energy recovery
Temperature sensor protects piezo actuator from overheating
Position control (optional)
Interface / display modules (optional)

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E-482.00: Operating limits (open loop) with various piezo loads, capacitance values in µF

PICA high-performance piezo amplifier

For dynamic continuous operation of PICA piezo actuators with high electrical capacitance. Analog control. Output voltage to 1050 V, bipolar can be set. 6 A peak current, 2 A continuous current.

Energy saving of up to 80 percent due to switched amplifier principle

Switching amplifier with pulse width modulation (PWM) of the piezo output voltage. When the piezo actuator is discharged, a circuitry for energy recovery stores part of the returning energy in a capacitor and makes it reusable for the next charging cycle. The amplifier runs cooler and provides better stability.

Application fields

Industry and research. Active vibration absorber. Adaptive mechanics. Precision mechanics/machining. Optics. Metrology/measuring technology. Interferometry. Adaptive systems technology. Switching applications. Laser tuning. Force generation / material testing. Nanotechnology.

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Datasheet

Versione / Data

2026-07-03

pdf - 482 KB

Versione / Data

2026-07-03

pdf - 485 KB

Versione / Data

2026-07-03

pdf - 764 KB

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Basics	E-482.00
Housing type	Rack insert 19"
Drive type	PICA
Protective functions	Deactivation of the voltage output in case of internal overheating ǀ Overheat protection of the piezo actuator
Motion and control	E-482.00
Interfaces and operation	E-482.00
On/off switch	Hardware switch on/off
Display and indicators	Power LED ǀ Overtemp LED
Analog input signal	±1/100 of the selected output voltage range

With optional position control: 0 V to 10 V
DC offset setting	10-turn potentiometer, adds 0 V bis ±10 V to the input voltage
Supported temperature sensor mechanical unit	PT1000 on piezo actuator
Amplifier	E-482.00
Voltage gain	100
Large signal bandwidth 1	0.4 kHz
Large signal bandwidth 1, capacity	5 µF
Small signal bandwidth 1	2 kHz
Small signal bandwidth 1, capacity	1 µF
Noise (0-10 kHz), with load, RMS	300 mV
Noise, ripple (0-10 kHz): Load	1000 nF
Number of amplifier channels	1
Sensor	E-482.00
Electrical properties	E-482.00
Output voltage	Default: 0 to 1050

Can be set: -260 to +780,-525 to +525 V
Output voltage monitoring	Output voltage / 100 V
Input impedance	100 kΩ
Average output current	2000 mA
Peak output current	6000 mA
Peak output current, time limit	5 ms
Short-circuit proof	Yes
Miscellaneous	E-482.00
Motor/actuator connector	LEMO EGG.0B.701.CJL1173
Connector analog control signal	BNC
Connector for temperature sensor	LEMO socket
Connector monitor output voltage	BNC
Power connection	100 to 120 V AC / 220 to 240 V AC (selectable, fuse change required)
Power entry fuse	100 V to 120 V: 2 x 4 A HT, 250 V / 220 V to 240 V: 2 x 2 A HT, 250 V
Operating temperature range	5 to 40 °C
Overall mass	10400 g