Physik Instrumente E 754 Datasheet

User Manual: Physik Instrumente E-754 Digital Piezo Controller

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Digital Piezo Controller
High-Speed, Single-Axis Controller

E-754
 Next generation digital controller provides
higher flexibility, accuracy and speed

 Autoloading of calibration data from stage
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

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 highperformance 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.

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Specifications
E-754.1CD
Function
Axes
Processor
Supported functions
Sampling rate, servo control
Sampling rate, sensor

Digital controller for single-axis piezo nanopositioning systems with capacitive sensors
1
375 MHz, 64-bit floating point, DSP/ARM
Wave generator, trigger I/O, AutoZero, data recorder, macros
50 kHz
50 kHz

Sensor
Controller type
Sensor type
Sensor channels
Sensor bandwidth
Sensor resolution
External synchronization

E-754.1CD
P-I, two notch filters, optional APC
Capacitive
1
8 kHz
19 bit
100 kHz and 4.8 MHz (LVDS)

Amplifier

E-754.1CD

Output voltage

-30 to 135 V

Amplifier channels
Peak output power, <2 ms
Average output power
Peak output current, <2 ms
Average output current
Current limitation
Resolution DAC

1
45 W
15 W
500 mA
120 mA at 20 °C
Short-circuit proof
22 bit effective

Interfaces and operation
Communication interfaces
Piezo / sensor connection
Analog input
Analog output
Digital input

E-754.1CD
Ethernet (TCP/IP), SPI, USB, RS-232
Sub-D 7W2 (f)
LEMO, 1 channel, ±10 V, 20-bit ADC
LEMO, 1 channel, ±10 V, 20-bit DAC
LEMO, 2 lines, TTL

Digital output

LEMO, 2 lines, TTL

Command set
User software
Software drivers
Display and indicators
Linearization
Separate protective earth connection

PI General Command Set (GCS)
PIMikroMove
LabVIEW driver, dynamic libraries for Windows and Linux
Status LEDs
4th order polynomials; optional DDL
Yes

Miscellaneous
Operating temperature range
Overheat protection
Mass
Power consumption, full load
Power consumption, no load
Operating voltage

E-754.1CD
5 to 40 °C
Automatic deactivation of the piezo output at temperatures higher than 70 °C
1.6 kg
35 W (max.)
13 W
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

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