E-725 Digital Piezo Controller

For 3-Axis High-Speed Precision Positioning Systems

For nanopositioning systems with capacitive sensors
3-channel version
Powerful digital controller: DSP 32-bit floating point, 225 MHz; 20 kHz sampling rate; 24-bit DAC
Communication via Ethernet, USB, RS-232
4th order polynomial linearization for mechanics & electronics
Dynamic Digital Linearization (DDL) option for improved path accuracy
Auto-loading of calibration data from stage ID chip for interchangeability of controller and mechanics
Additional high-bandwidth analog control input / sensor input
Flexible wave generators
Digital I/O lines for task triggering
Extensive software support


E-725.3CD

E-725.3CDA

Unit

Tolerance

Function

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

Digital controller for multi-axis piezo nanopositioning systems with capacitive sensors and additional analog inputs

Axes

3

3

Processor

DSP 32-bit floating point, 225 MHz

DSP 32-bit floating point, 225 MHz

Sampling rate, servo-control

20

20

kHz

Sampling rate, sensor

20

20

kHz


Sensor

Servo characteristics

P-I, two notch filters

P-I, two notch filters

Sensor type

Capacitive

Capacitive

Sensor channels

3

3

Sensor bandwidth (-3 dB)

5.6

5.6

kHz

max.

Sensor resolution

18

18

Bit

Ext. synchronization

Yes

Yes


Amplifier

Output voltage

-30 to 135

-30 to 135

V

±3 V

Amplifier channels

4

4

Peak output power per channel

25

25

W

max.

Average output power per channel*

10

10

W

max.

Peak output current per channel

190

190

mA

max.

Average output current per channel*

120

120

mA

max.

Current limitation

Short-circuit-proof

Short-circuit-proof

Resolution DAC

24 bit

24 bit


Interface and operation

Communication interfaces

Ethernet, USB, RS-232

Ethernet, USB, RS-232

Piezo / sensor connection

Sub-D special connector

Sub-D special connector (PicoCube, NEXLINE®)

Analog input

1 × LEMO, 18 bit

1 × LEMO, 18 bit3 × LEMO, 16 bit

±10 V

Digital input/output

MDR20; 2 × IN, 8 × OUT

MDR20; 2 × IN, 8 × OUT

Command set

PI General Command Set (GCS)

PI General Command Set (GCS)

User software

NanoCapture, PIMikroMove

NanoCapture, PIMikroMove

Software drivers

LabVIEW driver, DLLs

LabVIEW driver, DLLs

Supported functionality

Wave generator, trigger I/O

Wave generator, trigger I/O

Display

LEDs for Power, On Target, Error, Cmd

LEDs for Power, On Target, Error, Cmd

Linearization

4th order polynomials, DDL (Dynamic Digital Linearization)

4th order polynomials, DDL (Dynamic Digital Linearization)

Separate protective ground connector

Yes

Yes


Miscellaneous

Operating temperature range

5 to 50

5 to 50

°C

Overtemp protection

Max. 71 °C, deactivation of the piezo voltage output

Max. 71 °C, deactivation of the piezo voltage output

Mass

3.5

3.6

kg

Dimensions

263 mm × 89 mm × 302 mm (with handles)

263 mm × 89 mm × 302 mm (with handles)

Power consumption

70

70

W

max.

Operating voltage

24 VDC from external power supply (included)

24 VDC from external power supply (included)

*The total output power of all 4 amplifier channels should not exceed 34.5 W to avoid overcurrent (E-725 is equipped with a 3.15 A M fuse).

Ask about custom designs!

Downloads

Datasheet

pdf
pdf

PI Datasheet E-725

Digital Piezo Controller for 3-Axis High-Speed Precision Positioning Systems
pdf - 688 KB
pdf - 687 KB