National Instruments 781046-01 PCI Express Multifunction I/O Module 

National Instruments part number 781046-01 is an identifying part number for the PCIe-6341, a Multifunction I/O module. This module features 16 Analog Input Channels, 16-bit resolution and a sampling rate of 500kS/s, 2 Analog Output Channels with 900kS/s sampling rate and 24 Digital Inputs and Output Channels. 

It provides analog I/O, digital I/O, and four 32-bit counters/timers for various applications, such as PWM, encoder, frequency, and event counting. With the PCI Express bus, multi-core optimized driver, and application software, this device delivers high-performance functionality. It features onboard NI‑STC3 timing and synchronization technology that offers advanced timing functionality, including independent analog and digital timing engines and retriggerable measurement tasks. The 781046-01 includes the NI‑DAQmx driver and configuration utility for simplified configuration and measurements, making it well-suited for a wide range of applications, from basic data logging to control and test automation. 

The device offers 16 single-ended or 8 differential analog output channels with an ADC resolution of 16 bits. It boasts a sample rate of up to 500 kSamples per second for single channels, providing fast and accurate data acquisition. This makes it suitable for applications requiring high-speed data collection. Whether used for industrial monitoring, research, or automation tasks, the device's versatile channel configuration and high-resolution ADC ensure precise measurement across various signal types. The input coupling of the device is set to DC, ensuring direct current signal measurements. It offers multiple input ranges, including ±0.2 V, ±1 V, ±5 V, and ±10 V, providing flexibility for different voltage levels. 

Additionally, this NI device has a specified maximum working voltage for analog inputs, considering both the signal and common mode voltages. This parameter is crucial for ensuring the safety and integrity of the measurement system, particularly in environments where high voltages may be present.