Physik Instrumente E 754 Datasheet

User Manual: Physik Instrumente E-754 Digital Piezo Controller

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17.10.2017

High-Speed, Single-Axis Controller

Digital linearization for the highest accuracy

Linearization algorithms based on higher-order polynomials reduce the linearity error to less than 0.01 % with capacitive

sensors. That is typically 10 times better than conventional controllers.

During fast periodic motion, such as that typical for scanning applications, it is possible to increase the tracking accuracy by

up to a factor of three using Dynamic Digital Linearization (DDL, E-710.SCN).

High velocity and bandwidth for dynamic applications

The controller is perfectly suited for high-dynamics operation thanks to its high-resolution D/A converter and high-

performance voltage amplifier. The high-speed processor with a sensor sampling rate of 50 kHz ensures settling times in the

millisecond range and below.

Flexible customization for a variety of applications

The ID chip contains the calibration and servo-control parameters of the mechanics for PI nanopositioning systems that are

equipped with an ID chip and were calibrated with digital electronics. The controller reads the data "intelligently" to adapt

itself automatically to the mechanics connected and therefore renewed calibration is unnecessary after changing system

components.

The integrated wave generator can save and output periodic motion profiles. Preconfigured sine and triangle wave profiles

are provided to support the user when defining the curve, but any user-defined waveforms are possible.

Extensive functionality

Powerful macro command language. Nonvolatile macro storage, e.g., for stand-alone functionality with autostart macro.

Data recorder. Parameter changing during operation. Extensive software support, e.g., for LabVIEW, shared libraries for

Windows and Linux.

E-754

Digital Piezo Controller

 Next generation digital controller provides

higher flexibility, accuracy and speed

 Autoloading of calibration data from st

age

ID chip for interchangeability of controller

and mechanics

 Analog inputs and outputs

 Digital I/O lines for task triggering

 Extensive software package

 For nanopositioning systems with

capacitive sensors

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Specifications

E-754.1CD

Function

Digital controller for single-axis piezo nanopositioning systems with capacitive sensors

Axes

1

Processor

375 MHz, 64-bit floating point, DSP/ARM

Supported functions

Wave generator, trigger I/O, AutoZero, data recorder, macros

Sampling rate, servo control

50 kHz

Sampling rate, sensor

50 kHz

Sensor

E-754.1CD

Controller type

P-I, two notch filters, optional APC

Sensor type

Capacitive

Sensor channels

1

Sensor bandwidth

8 kHz

Sensor resolution

19 bit

External synchronization

100 kHz and 4.8 MHz (LVDS)

Amplifier

E-754.1CD

Output voltage -30 to 135 V

Amplifier channels 1

Peak output power, <2 ms

45 W

Average output power

15 W

Peak output current, <2 ms

500 mA

Average output current

120 mA at 20 °C

Current limitation

Short-circuit proof

Resolution DAC

22 bit effective

Interfaces and operation

E-754.1CD

Communication interfaces

Ethernet (TCP/IP), SPI, USB, RS-232

Piezo / sensor connection

Sub-D 7W2 (f)

Analog input

LEMO, 1 channel, ±10 V, 20-bit ADC

Analog output

LEMO, 1 channel, ±10 V, 20-bit DAC

Digital input

LEMO, 2 lines, TTL

Digital output LEMO, 2 lines, TTL

Command set

PI General Command Set (GCS)

User software

PIMikroMove

Software drivers

LabVIEW driver, dynamic libraries for Windows and Linux

Display and indicators

Status LEDs

Linearization

4th order polynomials; optional DDL

Separate protective earth connection

Yes

Miscellaneous

E-754.1CD

Operating temperature range

5 to 40 °C

Overheat protection

Automatic deactivation of the piezo output at temperatures higher than 70 °C

Mass

1.6 kg

Power consumption, full load

35 W (max.)

Power consumption, no load

13 W

Operating voltage

24 V DC from external power supply (included in the scope of delivery)

Ask about custom designs!

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Drawings and Images

E-754: Operating limits (open-loop) with various capacitive loads, capacitance values in µF

E-754, dimensions in mm

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Ordering Information

E-754.1CD

Single-channel, digital high-speed piezo controller for capacitive sensors, with TCP/IP, USB, and RS-232 interface

Ask about custom designs!

E-753.IO

Cable for digital I/O lines, 1.5 m, open end