NI USB-6341 BNC User Manual

National Instruments PXIe-6349 Manual
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NI USB-6341 BNC Specifications

General

Type	Multifunction I/O
Analog Input Channels	16
Analog Input Resolution	16 bits
Input Impedance	1 MΩ
Analog Output Channels	2
Analog Output Resolution	16 bits
Analog Output Range	±10 V
Output Impedance	0.5 Ω
Digital I/O Channels	24
Counter/Timers	4
Counter/Timer Resolution	32 bits
Counter/Timer Max Source Frequency	100 MHz
Bus Type	USB
Connector Type	BNC
Interface	USB 2.0
Analog Input Range	±10 V
Analog Output Update Rate	900 kS/s
Digital I/O Logic Levels	TTL
Digital I/O Max Output Current	24 mA
Operating Temperature	0 °C to 50 °C

Summary

Chapter 1 Getting Started

Safety Guidelines

Essential safety guidelines for operating the device.

Installation

Steps for installing the DAQ device and software.

Chapter 4 Analog Input

Analog Input Data Acquisition Methods

Software-timed vs. hardware-timed acquisition methods.

Analog Input Triggering

Triggering actions for analog input.

Connecting Floating Signal Sources

Procedures for connecting floating signal sources.

Chapter 5 Analog Output

Analog Output Data Generation Methods

Methods for performing analog output operations.

Analog Output Triggering

Triggering actions for analog output.

Chapter 6 Digital I/O

Digital Input Data Acquisition Methods

Methods for performing digital input measurements.

Digital Input Triggering

Triggering actions for digital input.

Digital Output Data Generation Methods

Methods for performing digital output operations.

Digital Output Triggering

Triggering actions for digital output.

Watchdog Timer

Feature for setting critical outputs to safe states during failures.

Chapter 7 Counters

Pulse-Width Measurement

Measuring the width of a pulse.

Frequency Measurement

Measuring frequency using counters.

Counter Triggering

Triggering actions for counters.

Chapter 8 PFI

I/O Protection

Protection against overvoltage, undervoltage, and ESD events.

Chapter 9 Digital Routing and Clock Generation

Synchronizing Multiple Devices

Chapter 10 Bus Interface

Data Transfer Methods

PCI Express/PXI Express Device Data Transfer Methods

Direct Memory Access (DMA)

Fastest data transfer method using hardware and software.

USB Device Data Transfer Methods

Chapter 11 Triggering

Triggering with a Digital Source

Generating triggers on digital signals.

Triggering with an Analog Source

Generating triggers on analog signals.

Analog Trigger Types

Analog Edge Triggering with Hysteresis

Analog Window Triggering