Fisnar Inc.
Fisnar Inc. is an international leader in the manufacture and supply of fluid dispensing systems ……...
A-828: High Performance Motion Controller
The PI A-82× motion controller series provides a fully integrated electronics solution in a small 4-U-high 19-inch rack unit, including a controller, drives, and power supply.
Features
Quiet PWM drives, with optional NanoPWM high-performance drive module
Encoder inputs support sine/cosine and BiSS-C
10 A continuous current/20 A peak output current per axis
4, 6, or 8 high-performance motion axes
Fully integrated closed-loop servo control, amplifier module, and power supplies
For voice coil drives, DC motors, and brushless 3-phase motors
A-82x, dimensions in mm. Image Credit: PI (Physik Instrumente) LP
The A-82× controllers are created and enhanced with PIglide air-bearing stages with high-resolution encoders, direct drive linear, and rotation servo motors. Modern ACS SPiiPlusEC motion controller and EtherCAT master are included in the A-82× motion controller.
Absolute encoders that employ the BiSS-C data protocol and inputs for incremental sine and cosine are standard options.
A 16384× integrated interpolation factor is included for sine/cosine encoder support. All controllers have built-in flash memory that can store motion programs and settings.
The A-82× controllers can be operated independently using pre-stored programs or under external PC control. For programming and starting, a PC is needed. The controller comes with all software.
The servo tuning, controller starting, and error calibration will all be handled by PI if the controller is purchased along with a PIglide air-bearing stage or positioning system. This will result in a fully functional, ready-to-use positioning system.
The A-824.2N×00 models incorporate ACS’s NanoPWM technology. For difficult positioning applications, they provide the best feasible solution: subnanometer position holding, tracking errors that are only a few nanometers, and ideal velocity constancy.
A real substitute for linear drives is nanoPWM since it offers comparable performance at a lower cost and requires less system space overall.
Options and Upgrades
Absolute encoders or incremental encoders (which can be combined for all of the controller’s axes by customer specifications)
G-Code programming
Input shaping
Upgrade to ServoBoost™. Better, more consistent servo performance that is insensitive to noise or system changes
Upgrade to ServoBoost™ PLUS. Increases position stability and velocity constancy
EtherCAT provides additional control axes for external drives
Alternative customized packaging for OEM setups
Specifications
Source: PI (Physik Instrumente) LP
| A-824.21x00 | A-824.2Nx00 | A-826.21x00 | A-828.21x00 | |
|---|---|---|---|---|
|
Number of drive axes |
4 |
4 |
6 |
8 |
|
Number of controller axes |
8 |
8 |
16 |
16 |
|
Controller type |
Closed-loop servo control (PID), parameter changing during operation |
Closed-loop servo control (PID), parameter changing during operation |
Closed-loop servo control (PID), parameter changing during operation |
Closed-loop servo control (PID), parameter changing during operation |
|
Servo-frequency position control |
10kHz |
10kHz |
10kHz |
10kHz |
|
Servo frequency current control |
20kHz |
20kHz |
20kHz |
20kHz |
|
EtherCAT cycle time, frequency profile generator |
5kHz |
5kHz |
4kHz |
4kHz |
|
Trajectory profiles |
Point-to-point, jog, s-curve, interpolated coordinated multi-axis profiles |
Point-to-point, jog, s-curve, interpolated coordinated multi-axis profiles |
Point-to-point, jog, s-curve, interpolated coordinated multi-axis profiles |
Point-to-point, jog, s-curve, interpolated coordinated multi-axis profiles |
|
Cooling |
Fan on the side (continuous operation, constant speed) |
Fan on the side (continuous operation, constant speed) |
Fan on the side (continuous operation, constant speed) |
Fan on the side (continuous operation, constant speed) |
|
Drive type |
PWM |
NanoPWM |
PWM |
PWM |
|
Motor types |
Voice coil Brushed DC motor Brushless 3-phase motor with sine commutation |
Voice coil Brushed DC motor Brushless 3-phase motor with sine commutation |
Voice coil Brushed DC motor Brushless 3-phase motor with sine commutation |
Voice coil Brushed DC motor Brushless 3-phase motor with sine commutation |
|
Encoder options (factory default) (Can be configured individually for combinations according to customer specifications) |
Incremental sine/cosine (1 Vpp) A/B quadrature (RS-422) (on request), Absolute encoder BiSS-C |
Incremental sine/cosine (1 Vpp) A/B quadrature (RS-422) (on request), Absolute encoder BiSS-C |
Incremental sine/cosine (1 Vpp) A/B quadrature (RS-422) (on request), Absolute encoder BiSS-C |
Incremental sine/cosine (1 Vpp) A/B quadrature (RS-422) (on request), Absolute encoder BiSS-C |
|
Interpolation factor sine/cosine encoder |
4x to 16384x (can be adjusted by software) |
4x to 65532x (can be adjusted by software) |
4x to 16384x (can be adjusted by software) |
4x to 16384x (can be adjusted by software) |
|
Output voltage |
72V DC |
96V DC |
72V DC |
72V DC |
|
Output current (per axis) |
10 A continuous operation, 20 A peak (<1 s) |
6.6 A continuous operation, 20 A peak (<1 s) |
10 A continuous operation, 20 A peak (<1 s) |
10 A continuous operation, 20 A peak (<1 s) |
|
Output power (total) |
1100 W continuous operation 2300 W peak |
1500 W continuous operation 3000 W peak |
1500 W continuous operation 3000 W peak |
1500 W continuous operation 3000 W peak |
| Interfaces | A-82x.21x00 | A-824.2Nx00 |
|---|---|---|
|
Communication |
Ethernet: TCP/IP, 100/1000 Mbps Ethernet/IP |
Ethernet: TCP/IP, 100/1000 Mbps Ethernet/IP |
|
User I/O (without reference and limit switch) |
4x digital input, 24 VDC, sink 3x digital output, 24 VDC, source 2x analog input, differential, 12-bit 2x analog output, differential, 10-bit 4x RS-422 high-speed output for position trigger (PEG) |
4x digital input, 24 VDC, sink 4x digital output, 24 VDC, source 2x analog input, differential, 12-bit 2x analog output, differential, 10-bit 4x RS-422 high-speed output for position trigger (PEG) |
|
Interlock / motion-stop |
1x input, 24 V DC |
2x input, 24 V DC |
|
Connector interface |
Rear panel connectors D-sub for motor and signal connections IEC 60320 type C20 for power supply (power cord with NEMA L6-20P plug in the scope of delivery) |
Rear panel connectors D-sub for motor and signal connections IEC 60320 type C20 for power supply (power cord with NEMA L6-20P plug in the scope of delivery) |
| Miscellaneous | A-824.2x00 | A-824.2Nx00 | A-826.21x00 | A-828.21x00 |
|---|---|---|---|---|
|
Power supply |
200 - 240 V AC, single phase, 50-60 Hz |
200 - 240 V AC, single phase, 50-60 Hz |
200 - 240 V AC, single phase, 50-60 Hz |
200 - 240 V AC, single phase, 50-60 Hz |
|
Mass (approx.) |
13.6 kg |
15.7 kg |
14.4 kg |
15.2 kg |
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