Functional Details | Measurement Specialties USB-1616HS-2 instruction

Chapter 3

Functional Details

This chapter contains detailed information on all of the features available from the board, including:

a diagram and explanations of physical board components

a functional block diagram

information on how to use the signals generated by the board

diagrams of signals using default or conventional board settings

USB-1616HS-2 components

These USB-1616HS-2 components are shown in Figure 4.

Six removable screw terminal blocks

One USB port

One external power connector

One 25-pin expansion connector

Two LED indicators ("Active" and "Power")

Analog output, calibration,

TTL trigger and pacer signal

Analog input, screw terminal blocks

DSUB25 expansion

Analog input, screw terminalconnector blocks

Figure 4. USB-1616HS-2 components – front view

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Measurement Specialties manual Functional Details, USB-1616HS-2 components

Contents

Page USB-1616HS-2 Management committed to your satisfaction Trademark and Copyright Information Table of Contents USB-1616HS-2 Users Guide Where to find more information About this Users GuideWhat you will learn from this users guide Conventions used in this users guide Overview USB-1616HS-2 features Software featuresIntroducing the USB-1616HS-2 Chapter Installing the USB-1616HS-2 TR-2U power supply and CA-1* line cordWhat comes with your USB-1616HS-2 shipment? Hardware Installing the software Unpacking the USB-1616HS-2Additional documentation CA-96A expansion cable Installing the hardware Configuring the hardware Connecting the board for I/O operationsConnectors, cables main I/O connector Information on signal connections Screw terminal pin outs USB-1616HS-2 screw terminal pin out single-ended connections DSUB25F expansion connector DSUB25 expansion connector pin out Cabling CA-96A expansion cable Functional Details USB-1616HS-2 components External power connector USB-1616HS-2 components rear view USB-1616HS-2 block diagram USB-1616HS-2 functional block diagram Analog input Analog input scanningSettling time Example Analog channel scanning of voltage inputs Example Analog and digital scanning, once per scan mode Analog and digital scanning, once per scan mode example Analog and digital scanning, once per scan mode example Tips for making accurate temperature measurements Thermocouple inputShielding Averaging Analog output Digital I/O TriggeringDigital input scanning Digital outputs and pattern generation Digital triggering Hardware analog triggeringSoftware-based triggering Stop trigger modes Counter inputsPre-triggering and post-triggering modes Totalize mode Tips for making high-speed counter measurements 1 MHzMapped channels Counter modes Debounce modes Trigger after stable mode Trigger before stable mode Debounce mode comparisons Debounce module Trigger before stable mode Encoder mode Optimal debounce time for trigger before stable mode Representation of rotary shaft quadrature encoder Connecting the USB-1616HS-2 to an encoder Maximizing encoder accuracy Example Timer outputs Timer outputsTimer output frequency examples Using multiple USB-1616HS-2s per PC Detection setpoint overview Criteria input signal is equal to Action driven by condition Setpoint configuration Using the setpoint status register Detecting on analog input, DAC, and Firstportc updates Examples of control outputs Detection on an analog input, timer output updates Analog inputs with setpoints update on True and False Using the hysteresis function Timer output update on True and False Using multiple inputs to control one DAC output Detecting setpoints on a totalizing counter Controlling analog, digital, and timer outputs FIRSTPORTC, DAC, or timer update latencyDetection setpoint details Firstportc Calibrating the USB-1616HS-2 Specifications Analog input specificationsAnalog input accuracy specifications Accuracy Analog output specifications Analog outputsThermocouples Thermocouple TC types and accuracy Note Digital input/output specifications Digital input/output Counter specifications Input sequencer specificationsCounters Input sequencer Power consumption Frequency/pulse generator specificationsPower consumption specifications Note Frequency/pulse generators External power USB specificationsSignal I/O connectors and pin out Environmental USB-1616HS-2 screw terminal pin out single-ended connections USB-1616HS-2 screw terminal pin out differential connections Declaration of Conformity USA Mailinfo@mccdaq.com