E-727.xF Digital Multi-Channel Piezo Controller with EtherCAT

Function

Digital controller for multi-axis piezo nanopositioning systems. Fieldbus integration via EtherCAT interface.

Additional functions with .3xDAF: Analog interfaces

Axes

3

Processor

DSP 32/64-bit, floating point, 375 MHz

Sampling rate, servo control

20 kHz

Sampling rate, sensor

100 kHz

Sensor

Controller type

P-I, two notch filters

Optional: Advanced piezo control

Sensor type

E-727.xCxxx: Capacitive

E-727.xSxxx: Strain gauge sensors

E-727.xRxxx: Piezoresistive

Sensor channels

E-727.xCxxx: 3

E-727.xSxxx, E-727.xRxxx: 4

Sensor bandwidth (-3 dB)

10 kHz

Sensor resolution (at 1 kHz oversampling)

20-bit

Amplifier

Output voltage

-30 to 130 V (±3 V)

Amplifier channels

4

Peak power / channel

28 W max. 30 ms

Average output power / channel

14 W

Peak current / channel

180 mA max. 30 ms

Average output current / channel

75 mA

Current limitation

Short-circuit proof

Resolution DAC

20-bit

Amplifier bandwidth

6.5 kHz

Communication

PC

TCP/IP, USB (2.0)

SPI

Connector for SPI master for fast serial transmission of target and current position

Fieldbus

EtherCAT (CoE = CANopen over EtherCAT)

Interfaces

Piezo / sensor connection

E-727.xCxxx: Sub-D 25W3 (f)

E-727.xSxxx, E-727.xRxxx: Sub-D 37 (f)

Analog inputs

E-727.3xDAF only:

Sub-D 15 (f)

4 inputs

±5 V or ±10 V

18-bit A/D converter

Analog output

E-727.3xDAF only:

Sub-D 15 (f)

±10 V

20-bit D/A converter

Sensor monitor output

E-727.3xDAF only:

Sub-D 15 (f)

Sensor channels 1 to 3

Digital input/output

MDR14; 4 inputs, 4 outputs

Separate protective earth connection

Yes

Operation

Communication via PC

Command set: PI General Command Set (GCS)

User software: PIMikroMove

Software drivers: NI LabVIEW and MATLAB driver, shared libraries for Windows and Linux, extensive example code

Communication via fieldbus (EtherCAT)

Drive profile CiA402 (IEC 61800-7-201)

Operating modes: Cyclic Synchronous Position (CSP), Profile Position (PP), Homing

Min. cycle time: 1 ms

Supported functions

Autozero, ID chip detection

Addressable with GCS commands only: Wave generator, data recorder, macros

Display and indicators

LEDs for Power, Servo, Error, Overflow, EtherCAT communication

Linearization

4th-order polynomials, DDL (Dynamic Digital Linearization, optional)

Miscellaneous

Operating temperature range

5 to 40 °C

Overheat protection

Max. 72 °C, deactivation of the voltage output

Mass

2.4 to 2.6 kg

Fuse

1 x T3.15 AH, 5 × 20 mm

Max. power consumption

80 W

Max. power consumption without load

24 W

Operating voltage

24 V DC (external power adapter in the scope of delivery)