A-811.CE PIglide Motion Controller für eine Achse

For Stages with Direct Drive, TCP/IP Interface

Fully integrated servo controller with drive
Compact benchtop device, external AC/DC power supply
For voice coil drives, DC motors, and brushless 3-phase motors; smooth PWM drives
Encoder inputs support incremental (analog sine/cosine) and absolute (BiSS-C, EnDat 2.2) encoders
Output current up to 5 A continuous / 10 A peak
Functional safety: STO (safe torque off)

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A-811.CED0x, dimensions in mm

Overview

PI's single-axis motion controller A-811.CE offers a fully integrated electronics solution with a controller and servo drive in a compact benchtop housing. The A-811.CE controller is designed and optimized for operating PIglide air-bearing linear and rotation stages, and other PI stages which are equipped with servo motor and high-resolution encoders.

The standard controller is equipped with inputs for incremental and absolute encoders. Support for sine/cosine encoders has an integrated interpolation factor of up to 65536x (16 bit). The controller has an integrated flash memory for stored motion programs and parameters.

It is possible to operate the A-811.CE controller in stand-alone mode via stored programs or an external PC. A PC is required for programming and startup. The complete software is included in the scope of delivery.

If the controller is purchased together with a PIglide air bearing stage or positioning system, PI takes care of servo tuning, startup of the controller, and error calibration, and supplies a complete ready-to-use positioning system.

The A-811.CE features the state-of-the-art ACS ECMsa motion controller with integrated servo drive.

Options

Various motor current output levels

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Datasheet

Versione / Data

2026-03-19

pdf - 250 KB

Versione / Data

2026-03-19

pdf - 251 KB

Versione / Data

2026-03-19

pdf - 326 KB

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	A-811.CED0x
Function	ACS ECMsa controller and servo drive, closed-loop servo control option, parameter change in operation
Design	Benchtop housing
Motor types	Brushless DC motors, brushed DC motors, voice coil motors
Number of drive axes	1
Motion and control	A-811.CED0x
Controller type	Cascaded PIVFF controller structure with loop-shaping filters, advanced feedforward, good disturbance repression, gain scheduling, field-oriented servo control, and space vector modulation
Sampling rate current control	20 kHz
Type of servo drive	PWM
Encoder	Supported types:Incremental: Analog 1 Vpp sine/cosine with index, differential, 4 x up to 65536x (16 bit) interpolation, settings can be adjusted via softwareAbsolute: BiSS-C, EnDat 2.2
Max. velocity encoder impulses	Incremental: 500 kHzAbsolute: BiSS-C: 10 MHz, EnDat: 16 MHz
Limit switch	Incremental: 24 V DC, source or sink (preset on delivery); positive and negative limit switches; single-ended, opto-isolatedAbsolute: n/a
Functional safety	STO (safe torque off) inputSS1 (safe stop 1)
Interfaces and operation	A-811.CED0x
Digital I/O lines	2 × input, 24 V DC sinking (1 × usable as a MARK position lock)2 × output, 24 V DC sourcing or sinking (1 x usable as motor brake output)
Analog I/O lines	1 × input, differential, 16 bit1 × output, differential, 10 bit
Outputs for position event generator (PEG)	1 × RS-422 differential, 5 V high-speed output for position trigger
Motor brake output	1 × 24 V DC, 1 A max. sourcing (connected with 2nd DOUT)
Communication interfaces	Ethernet: TCP/IP (100/1000 Mbps), EtherNet/IP
User software	ACS SPiiPlus MMI Application Studio (included in the scope of delivery)
Command set	ACS SPiiPlus ACSPL+ command set (included in the scope of delivery)
Application programming interfaces	Programming libraries for C/C++, COM, .NET (included in the scope of delivery)
Control and EtherCAT clock rate	1 kHz
Electrical properties	A-811.CED0x
Output voltage	24 to 48 V, depending on the input voltage
Motor output current	5 A continuous operation, 10 A peak
Environment	A-811.CED0x
Input voltage	24 V DC to 48 V DC
Connectors	D-sub for motor and signal connections
Cooling	Side fan (continuous operation, constant speed)
Operating temperature range	5 °C to 40 °C
GND	1.7 kg
Dimensions	180 mm × 270 mm × 74 mm (W × L × H)