LAB-PC-1200: Product OverviewThe National Instruments LAB-PC-1200 is a multifunction data acquisition board designed for ISA bus-based personal computers. This board serves as a comprehensive interface between a host computer and external analog/digital signals, providing measurement and control capabilities for laboratory, industrial, and research applications. The board functions as a versatile data acquisition solution, integrating analog input, analog output, digital I/O, and counter/timer functionality on a single printed circuit board.Installed in a standard ISA expansion slot, the board operates as a programmable interface that converts real-world analog signals to digital values for computer processing and generates analog output signals for control applications. The analog input section features 8 single-ended or 4 differential input channels with software-selectable gain, allowing measurement of various signal levels from sensors and transducers. The analog output section provides 2 channels of voltage output for waveform generation and process control. The digital I/O and counter/timer sections support timing, event counting, and digital signal interface requirements. The board includes DMA (Direct Memory Access) capability for high-speed data transfer without CPU intervention.
NI LAB-PC-1200
LAB-PC-1200: Technical Specifications
• Model Number: LAB-PC-1200
• Manufacturer: National Instruments
• Product Type: Multifunction Data Acquisition Board
• Bus Interface: 16-bit ISA (Industry Standard Architecture)
• Analog Input Channels: 8 single-ended or 4 differential
• Triggering: Software, analog, and digital triggering
• I/O Connector: 50-pin ribbon cable connector
• Power Supply: +5V DC from ISA bus
• Operating Temperature: 0°C to 50°C
NI LAB-PC-1200
Core Features & Customer ValueIntegrated Multifunction Capability: The combination of analog I/O, digital I/O, and counter/timers on a single board provides a complete measurement and control solution for diverse applications. This integration eliminates the need for multiple specialized boards, reducing system cost and complexity. For educational institutions and research laboratories, this versatility supports a wide range of experiments and measurements with a single hardware platform.Software-Configurable Input Ranges: The software-selectable input voltage ranges (±10V to ±0.625V) allow the board to accommodate various signal levels without hardware modifications. This flexibility enables direct interface with different types of sensors and signal sources, from high-voltage power monitoring to low-level transducer signals. The programmable gain amplifier optimizes measurement resolution for each input range, ensuring accurate signal acquisition.DMA-Enabled High-Speed Acquisition: The direct memory access capability allows continuous data acquisition at up to 50 kS/s without burdening the host processor. This enables real-time data logging and analysis while allowing the computer to perform other tasks. The DMA functionality is particularly valuable for applications requiring sustained high-speed sampling, such as vibration analysis or transient recording.Typical ApplicationsIn educational laboratory settings, the board interfaces with various sensors for physics and engineering experiments, measuring parameters such as temperature, pressure, displacement, and voltage while providing analog output for control experiments.For industrial monitoring applications, the analog inputs measure process variables from transducers while the digital I/O monitors equipment status and controls relays or indicators in small-scale automation systems.In research and development environments, the counter/timers measure frequency and period of signals while the analog outputs generate test waveforms for component characterization and system testing.
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