NI PXIe-8381 Output module

NI Programmable Controllers Overview

NI (National Instruments) offers a range of programmable controllers, often referred to as Real-Time Controllers or Programmable Automation Controllers (PACs). These controllers combine rugged hardware

 with flexible software for industrial automation, embedded control, and data acquisition applications requiring deterministic real-time performance and robust processing power.

Product Detailed Description

• Function:

• Executes deterministic, real-time control algorithms.

• Integrates data acquisition, processing, and control capabilities.

• Provides connectivity to various industrial interfaces and protocols.

• Programmable with NI LabVIEW or other compatible programming environments.

• Features:

• Rugged, industrial-grade hardware for harsh environments.

• Real-Time Operating System (RTOS) for deterministic performance.

• FPGA-based architecture (in some models) for high customization and parallel processing.

• Variety of form factors and performance levels available.

• Modular I/O expansion options.

Product Parameters

As NI offers a diverse range of programmable controllers, the following are some general parameters. Always refer to the official datasheet for the specific model:

• Processor:

• Real-time processor (e.g., PowerPC, Intel Atom).

• FPGA (in some models).

• Memory:

• RAM and non-volatile memory capacity varies by model.

• Real-Time Operating System:

• NI Linux Real-Time or other RTOS.

• I/O Interfaces:

• Integrated I/O channels (analog input/output, digital input/output).

• Interfaces for NI CompactRIO or other modular I/O platforms.

• Communication Interfaces:

• Ethernet (TCP/IP, EtherCAT, PROFINET, etc.).

• USB.

• RS-232/485.

• CAN.

• Operating Temperature:

• Industrial temperature range (e.g., -40 °C to 70 °C).

• Power Requirements:

• DC power input.

• Form Factor:

• Compact, modular, and other form factors available.

Product Advantages

• Real-Time Performance:

• Designed for applications requiring precise and deterministic timing.

• Flexibility and Programmability:

• Programmable graphically or textually using LabVIEW or other compatible tools.

• FPGA-based models offer high customization capabilities.

• Integration:

• Integrates control, data acquisition, and communication functionalities into a single platform.

• Ruggedness:

• Industrial-grade hardware design for reliable operation in harsh environments.

• Modular Expansion:

• Easily expand I/O capabilities through NI's modular I/O platforms.

• Powerful Software Ecosystem:

• LabVIEW provides extensive libraries and tools, simplifying the development process.

Precautions

• Correct Model Selection:

• Choose the appropriate controller model based on the application's real-time requirements, processing power needs, I/O count, and communication interfaces.

• Programming Skills:

• Proficiency in LabVIEW or other compatible programming languages is required.

• Environmental Conditions:

• Ensure the operating environment meets the controller's specifications for temperature, humidity, vibration, etc.

• Power Requirements:

• Provide a stable DC power supply that meets the controller's requirements.

• Grounding and Wiring:

• Follow proper grounding and wiring practices to minimize noise interference.

• Software Compatibility:

• Ensure that the software version being used is compatible with the controller's firmware and drivers.

Product Applications

• Industrial Automation:

• Machine control, motion control, process control.

• Embedded Control:

• Autonomous robots, vehicle control systems.

• Data Acquisition and Logging:

• High-speed data acquisition, condition monitoring.

• Test and Measurement:

• Automated test equipment, Hardware-in-the-Loop (HIL) testing.

• Aerospace and Defense:

• Flight control, target tracking.

• Energy:

• Grid monitoring, renewable energy control.