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National Instruments 779111-01 Multifunction I/O Device

The National Instruments 779111-01, often known as the PCI-6289, is a flexible, multipurpose I/O device. This device provides two 32-bit counters/timers, digital and analog triggering, and analog and digital I/O. With a wide range of applications in mind, such as production tests and laboratory automation, this device offers dependable and reasonably priced data acquisition (DAQ) capabilities. SCC or SCXI signal conditioning modules can be added to the device to increase its sensor and high-voltage measurement capabilities. Setting up and taking measurements is made easier by the accompanying NI-DAQmx driver and configuration tool.

With its 10 MHz digital lines and high-accuracy analog inputs, the 779111-01 performs exceptionally well in testing situations. It serves applications that call for precision instrumentation, like sensor measurements, component characterisation, and electronics testing. Comparable devices cannot match its four times higher resolution and five times higher sensitivity because to its 18-bit ADC and filtering capabilities. It can precisely record dynamic signals because of its quick sample rates and low noise. While robust analog clamping circuitry safeguards the hardware from overvoltage circumstances and ensures accurate measurements, the inbuilt lowpass filters improve noise rejection and increase accuracy.

The digital lines of the 779111-01 can operate actuators and relays at up to 24 mA for control applications. With pulse-width modulation (PWM), valves, motors, fans, and pumps can be precisely controlled at speeds of up to 10 MHz. Multiple control loops can be executed simultaneously using the device's six DMA channels, two 80 MHz counter/timers, and four waveform analog outputs. High-accuracy analog outputs with configurable offsets and ranges for ideal waveform resolution can provide up to 2.86 MS/s. Enhancing its control capabilities, the 779111-01 provides digital debounce filters, secured digital lines, and encoder measurements.

By its 16 differential or 32 single-ended analog input channels and 18-bit resolution, the 779111-01 guarantees that no codes are missing. It has 48 digital I/O channels that are compatible with 5 V TTL/CMOS, four 16-bit analog output channels, and one analog trigger. With input voltage protection of ±20 V on up to two pins, the device provides strong protection as well, making it a dependable option for a range of industrial applications.