National Instruments Data Acquisition Device NI USB-621x manuals
Data Acquisition Device NI USB-621x
Table of contents
- important information
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- about this manual
- related documentation
- device documentation and specifications
- training courses
- Installing NI-DAQmx
- Device Specifications
- din rail mounting
- panel mounting
- daq hardware
- Calibration Circuitry
- Signal Conditioning
- cables and accessories
- programming devices in software
- USB Device Fuse Replacement
- PWR/ACT LED Indicator
- analog input
- Analog Input Range
- Analog Input Ground-Reference Settings
- Configuring AI Ground-Reference Settings in Software
- Analog Input Data Acquisition Methods
- Analog Input Digital Triggering
- MHz Timebase
- AI Sample Clock Signal
- AI Sample Clock Timebase Signal
- AI Convert Clock Signal
- Using a Delay from Sample Clock to Convert Clock
- AI Convert Clock Timebase Signal
- AI Start Trigger Signal
- AI Reference Trigger Signal
- Using a Digital Source
- Connecting Analog Input Signals on USB-6210/6211/6212 Devices
- floating signal sources
- Connecting Floating Signal Sources
- When to Use Non-Referenced Single-Ended (NRSE Connections with Floating Signal Sources
- Using Differential Connections for Floating Signal Sources
- for Floating Signal Sources
- Using Referenced Single-Ended (RSE) Connections for Floating Signal Sources
- When to Use Differential Connections with Ground-Referenced Signal Sources
- When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources
- Using Non-Referenced Single-Ended (NRSE) Connections for Ground-Referenced Signal Sources
- Connecting Analog Input Signals on USB-6215/6216/6218 Devices
- Taking Referenced Single-Ended (RSE) Measurements
- Taking Non-Referenced Single-Ended (NRSE) Measurements
- analog output
- AO Range
- Analog Output Digital Triggering
- Connecting Analog Output Signals
- AO Start Trigger Signal
- Routing AO Start Trigger to an Output Terminal
- AO Sample Clock Signal
- Using an External Source
- Getting Started with AO Applications in Software
- Digital I/O on USB-6210/6211/6215/6218 Devices
- Static DIO on USB-6210/6211/6215/6218 Devices
- Increasing Current Drive on USB-6210/6211/6215/6218 Devices
- Getting Started with DIO Applications in Software on USB-6210/6211/6215/6218 Devices
- Static DIO on USB-6212/6216 Devices
- Programmable Power-Up States on USB-6212/6216 Devices
- Getting Started with DIO Applications in Software on USB-6212/6216 Devices
- Using PFI Terminals as Timing Input Signals
- Exporting Timing Output Signals Using PFI Terminals
- Connecting PFI Input Signals
- I/O Protection
- Counter Input Applications
- Buffered (Sample Clock) Edge Counting
- Controlling the Direction of Counting
- Buffered Pulse-Width Measurement
- Period Measurement
- Buffered Period Measurement
- Semi-Period Measurement
- Frequency Measurement
- Choosing a Method for Measuring Frequency
- Position Measurement
- Measurements Using Two Pulse Encoders
- Two-Signal Edge-Separation Measurement
- Buffered Two-Signal Edge-Separation Measurement
- Simple Pulse Generation
- Retriggerable Single Pulse Generation
- Pulse Train Generation
- Frequency Generation
- Frequency Division
- Counter Timing Signals
- Counter n Source Signal
- Counter n Gate Signal
- Counter n A, Counter n B, and Counter n Z Signals
- Routing Signals to Counter n HW Arm Input
- Default Counter/Timer Pinouts
- Counter Triggering
- Other Counter Features
- Cascading Counters
- Prescaling
- Duplicate Count Prevention
- Example Application That Prevents Duplicate Count
- Enabling Duplicate Count Prevention in NI-DAQmx
- Digital Isolation
- Reducing Common-Mode Noise
- isolated systems
- digital routing and clock generation
- USB Signal Stream
- Changing Data Transfer Methods
- Triggering with a Digital Source
- USB-6210
- USB-6211/6215
- USB-6212/6216 Screw Terminal
- USB-6212/6216 Mass Termination
- USB-6212/6216 Mass Termination Pinout
- USB-6218
- Table Of Contents
Data Acquisition Device NI USB-621x
Table of contents
- Table Of Contents
- important information
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- about this manual
- related documentation
- device documentation and specifications
- getting started
- Installing NI-DAQmx
- Installing the Hardware
- DAQ Hardware
- DAQ-STC2
- Signal Conditioning
- Programming Devices in Software
- I/O Connector Signal Descriptions
- Analog Input Circuitry
- Analog Input Range
- Analog Input Ground-Reference Settings
- USB-6210
- Figure
- Multichannel Scanning Considerations
- Carefully Choose the Channel Scanning Order
- Minimize Voltage Step between Adjacent Channels
- Example 2
- USB 6218
- Field Wiring Considerations
- MHz Timebase
- AI Sample Clock Signal
- Using an Internal Source
- AI Sample Clock Timebase Signal
- Using an External Source
- Other Timing Requirements
- AI Convert Clock Timebase Signal
- AI Hold Complete Event Signal
- AI Reference Trigger Signal
- Using a Digital Source
- Getting Started with AI Applications in Software
- Connecting Floating Signal Sources
- When to Use Non-Referenced Single-Ended (NRSE) Connections with Floating Signal Sources
- Using Differential Connections for Floating Signal Sources
- Using Non-Referenced Single-Ended (NRSE) Connections for Floating Signal Sources
- Using Referenced Single-Ended (RSE) Connections for Floating Signal Sources
- When to Use Differential Connections with Ground-Referenced Signal Sources
- When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources
- Using Differential Connections for Ground-Referenced Signal Sources
- Using Non-Referenced Single-Ended (NRSE) Connections for Ground-Referenced Signal Sources
- Differential Measurements
- Referenced Single-Ended (RSE) Measurements
- Non-Referenced Single-Ended (NRSE) Measurements
- Analog Output Circuitry
- AO Range
- Analog Output Digital Triggering
- Analog Output Timing Signals
- AO Pause Trigger Signal
- AO Sample Clock Signal
- AO Sample Clock Timebase Signal
- Getting Started with AO Applications in Software
- Static DIO
- Connecting Digital I/O Signals
- Getting Started with DIO Applications in Software
- Counter Input Applications
- controlling the direction of counting
- Pulse-Width Measurement
- Period Measurement
- Single Period Measurement
- Semi-Period Measurement
- Frequency Measurement
- Method 2—Measure High Frequency with Two Counters
- Method 3—Measure Large Range of Frequencies Using Two Counters
- Choosing a Method for Measuring Frequency
- Position Measurement
- Measurements Using Two Pulse Encoders
- Two-Signal Edge-Separation Measurement
- Buffered Two-Signal Edge-Separation Measurement
- Simple Pulse Generation
- Retriggerable Single Pulse Generation
- Pulse Train Generation
- Frequency Generation
- Frequency Division
- Counter Timing Signals
- Counter n Source Signal
- Counter n Gate Signal
- Counter n A, Counter n B, and Counter n Z Signals
- Counter n Internal Output and Counter n TC Signals
- Counter Triggering
- Other Counter Features
- Cascading Counters
- Prescaling
- Duplicate Count Prevention
- example application that prevents duplicate count
- Using PFI Terminals as Timing Input Signals
- Exporting Timing Output Signals Using PFI Terminals
- PFI Filters
- I/O Protection
- Digital Isolation
- Creating an AC Return Path
- khz timebase
- USB Signal Streams
- Programmed I/O
- Triggering with a Digital Source
- USB-6210 Pinout
- USB-6211/6215 Pinout
- USB 6218 Pinout
- analog input
- analog output
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