including Fibrer (Fibre) Optic and Optical Alignment Systems
High-Performance MotionControllers
Overview
The National Instruments 7344 motion controller is designed for end-users and machine builders who need to develop powerful applications quickly and easily. NI has optimized the software to help you get your advanced motion profiles up and running as quickly as possible. The 7344 motion controller is used for servo motor control; it is available for PCI, PXI/CompactPCI and IEEE 1394 buses. It also has four general-purpose analog inputs so that you can perform simple data acquisition.
The NI 7344 is a family of advanced technology controllers for all motion applications, bringing full-feature capability for the most sophisticated requirements.These controllers give you blended motion trajectory control and fully coordinated circular, linear, point-to-point, gearing, contouring, and vector space control in either embedded real-time motion operation or host-centric programming environments.
NI designed the 7344 with a high-performance motion controller architecture. The CPU and DSP components operate together to optimize closed-loop control, automation systems control, and motion command processing functions. The onboard CPU uses an embedded real-time operating system that has event-driven multitasking control. With this state-of-the-art approach, several motion control programs and processes can operate simultaneously on the controller, independent of the host PC and with no outside program interaction unless the host program or user configuration initiates it.
In this flexible, real-time motion control environment, you determine if commands run on the host PC (host-centric motion), or if entire programs are loaded into Flash memory on the board (embedded motion) for real-time control. In all operational modes, multi-axis control is coordinated with motion system I/O by the powerful, local CPU and DSP functions for unmatched performance.
The NI 7344 embedded real-time multitasking operating system and dual-processor architecture make it a true motion control computer that operates in a host PC environment as a motion coprocessor.
The NI-Motion programming tools make it easy to use, from system setup to programming. The software includes C-callable function libraries, DLL’s motion VI’s and free Windows configuration software.
NI 7344
- 4-axis controller
- PCI, PXI/Compact PCI and IEEE 1394 buses available
- PID and velocity/acceleration feed-forward loop control
- 62µs PID loop update rate
- Quadrature encoder or analog feedback
- Single-axis, multi-axis, and 2D/3D vector space control
- Advanced controller architecture:
- Motorola real-time 32-bit CPU
- Analog Devices DSP
- Event-driven onboard multitasking RTOS
- FIFO host bus interface
- High-level commands offload complex motion functions from the host PC
- Onboard programming
- Upgradeable firmware
- RTSI
- Infinite trajectory control
- Position breakpoint and high speed capture
- 4 general-purpose analog inputs
- Digital I/O
- Per axis encoder inputs
- Per-axis limit inputs
- Point-to-point, per-axis, and multi-axis motion
- Circular, spherical, and helical interpolation
- Blended motion profiles
- 2D and 3D linear vector interpolation
- Contouring
- Velocity profiling
- Jog capability
- Find home/index
- Electronic gearing and multi-axis master/slave
- S-curve acceleration/deceleration
Driver Software
NI-Motion for Windows 2000/NT/Me/9x
Application Software
LabVIEW™
Measurement Studio
Visual Basic and Visual C++ libraries
Standard C motion libraries
| Servo Performance: | |
| PID update rate range: | 62.5 to 500 µs/sample |
|
62.5 µs/axis |
|
250µs total |
| Trajectory update rate: | Same as PID update rate |
| Multi-axis synchronization: | < 1 update sample |
| Position accuracy: | |
|
±1 quadrature count |
|
±1 LSB |
| Long-term velocity accuracy: | Oscillator based, ±100 ppm |
| Double-buffered trajectory parameters: | |
|
±231counts |
|
±231 counts |
| Velocity range: | 1 to ±20,000,000 counts/s |
| rpm range: | 10-5 to 106 revolutions/minute |
| Acceleration/deceleration: | 4,000 to 128,000,000 counts/s2 |
| rps/s range: | 10-1 to 108 revolutions/s2 |
| S-curve time range: | 1 to 32,767 samples |
| Following error range: | 0 to 32,767 counts |
| Gear ratio: | ±32,767:1 to 1:32,767 |
| Servo control loop modes: | PID, PIVff, S-Curve, Dual Loop |
|
0 to 32,767 |
|
0 to 32,767 |
|
1 to 63 samples |
|
0 to 32,767 |
|
0 to 32,767 |
| Servo command analog outputs: | |
| Voltage range: | ±10V |
| Resolution: | 16 bits (0.000305 V/ LSB) |
| Programmable torque (velocity) limits: | ±10V (-32,768 to 32,767) |
|
±10V (-32,768 to 32,767) |
| Programmable offset: | ±10V (-32,768 to 32,767) |
| System Safety: | |
| Watchdog timer function: | Resets board to startup state |
|
63 ms |
| Shutdown input: | |
| Voltage range: | 0 to 12 V |
|
0.8 V |
|
2 V |
| Control: | Disable all axes and command outputs |
Motion I/O: |
|
| Encoder inputs: | Quadrature, incremental, single ended |
|
20 MHz |
|
0 to 12 V |
| Min index pulse width: | 60 ns |
| Forward, reverse, and home inputs | |
| Number of inputs: | 12 (3 per axis) 0 to 12 V range, programmable polarity |
| Control: | Individual enable/disable, stop on input, prevent motion, find home |
| Trigger inputs: | 4, programmable polarity |
|
1 kHz |
| Breakpoint outputs | |
| Number of outputs: | 4, programmable polarity |
| Inhibit/enable output | |
| Number of outputs: | 4 (1 per-axis) programmable polarity |
| Voltage range: | 0 to 5 V |
| Analog inputs: | 4, 12 bit resolution, ±10 V range, 50 µs scan rate |
| Analog outputs: | 4, 16 bit resolution, ±10 V range |
| Onboard Programs | |
| Onboard RAM: | 64 KB |
| Onboard ROM: | 128 KB |
Max size of program: |
6400 commands with average size of 10 bytes/command |
| Digital I/O | |
| Ports | 4, 8 bit TTL ports, bit configurable, sink or Source 24 mA |
| PWM outputs | |
| Number of PWM outputs: | 2 |
| Max PWM frequency: | 32 kHz |
| Resolution: | 8-bit |
| Duty cycle range: | 0 to (255/256)% |
| Clock sources: | Internal or external |
| Power Requirements: | |
| PCI-7344 and PXI-7344 | |
| +5 V (±3%): | 1 A |
| +12 V (±3%): | 30 mA |
| -12 V (±3%): | 30 mA |
| Power consumption: | 5.7 W, max |
| FW-7344 | |
| Voltage range: | 9 to 25 VDC |
| Power consumption: | 30 W, max |
| Physical | |
| Dimensions (not including connectors) | |
| PCI: | 17.5 x 9.9 cm (6.9 x 3.9 in.) |
| PXI: | 16 x 10 cm (6.3 x 3.9 in.) |
| FW: | 30.7 x 25.4 x 4.3 cm (12.1 x 10.0 x 1.7 in.) |
| Connectors | |
| Motion I/O connector: | 68-pin female high density VHDCI type |
| Digital I/O connector: | 68-pin female high density VHDCI type |
| Environment | |
| Operating temperature: | 0 to 55 ºC |
| Storage temperature: | -20 to 70 ºC |
| Relative humidity range: | 10 to 90% (noncondensing) |
| Pricing: | ||
| PCI-7342 | 2 axis, 32 bit controller | $995.00 |
| PCI-7344 | 4 axis, 32 bit controller | $1595.00 |
| PXI-7344 | 4 axis, 32 bit controller | $1795.00 |
| FW-7344 | 4 axis, 32 bit controller | $2295.00 |
| 778553-01 | NI Motion Assistant Software | $795.00 |
| NI SH68-C68-S cable | $165.00 | |
| NI 68 to 50 pin adapter | $35.00 | |
Critical dimensions or specifications should be verified with our technical support staff.
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