Measurement Specialties USB-1616HS-2 Configuring the hardware, Information on signal connections

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USB-1616HS-2 User's Guide

Installing the USB-1616HS-2

Configuring the hardware

All hardware configuration options on the USB-1616HS-2 are software-controlled. You can select some of the configuration options using InstaCal, such as the analog input configuration (16 single-ended or 8 differential channels), and the edge used for pacing when using an external clock. When measuring from thermocouples, make sure you configure the channels for differential mode.

Once selected, any program that uses the Universal Library initializes the hardware according to these selections.

Caution! Turn off power to all devices connected to the system before making connections. Electrical shock or damage to equipment can result even under low-voltage conditions.

Information on signal connections

General information regarding signal connection and configuration is available in the Guide to Signal Connections. This document is available on our web site at www.mccdaq.com/signals/signals.pdf.

Caution! Always handle components carefully, and never touch connector terminals or circuit components unless you are following ESD guidelines in an appropriate ESD-controlled area. These guidelines include using properly-grounded mats and wrist straps, ESD bags and cartons, and related procedures.

Avoid touching board surfaces and onboard components. Only handle boards by their edges. Make sure the USB-1616HS-2 does not come into contact with foreign elements such as oils, water, and industrial particulate.

The discharge of static electricity can damage some electronic components. Semiconductor devices are especially susceptible to ESD damage.

Connecting the board for I/O operations

Connectors, cables – main I/O connector

The following table lists the board connectors, applicable cables, and compatible accessory products for the USB-1616HS-2.

Main connector specifications

Main connectors	Six banks of removable screw-terminal blocks
Expansion connector	25-pin DSUB, female (DSUB25F)
Compatible cable for the 25-pin expansion connector	CA-96A

Compatible accessory product for the 25-pin expansion	AI-EXP48 expansion board with screw terminals (can connect
connector	to the USB-1616HS-2 directly, or with the CA-96A cable)

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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 guideOverview USB-1616HS-2 features Software featuresIntroducing the USB-1616HS-2 Chapter Installing the USB-1616HS-2 TR-2U power supply and CA-1* line cord What comes with your USB-1616HS-2 shipment? HardwareInstalling the software Unpacking the USB-1616HS-2Additional documentation CA-96A expansion cableInstalling the hardware Configuring the hardware Connecting the board for I/O operationsConnectors, cables main I/O connector Information on signal connectionsScrew terminal pin outs USB-1616HS-2 screw terminal pin out single-ended connectionsDSUB25F expansion connector DSUB25 expansion connector pin outCabling CA-96A expansion cableFunctional Details USB-1616HS-2 componentsExternal power connector USB-1616HS-2 components rear viewUSB-1616HS-2 block diagram USB-1616HS-2 functional block diagramAnalog input Analog input scanningSettling time Example Analog channel scanning of voltage inputsExample Analog and digital scanning, once per scan mode Analog and digital scanning, once per scan mode exampleAnalog and digital scanning, once per scan mode example Tips for making accurate temperature measurements Thermocouple inputShielding AveragingAnalog output Digital I/O TriggeringDigital input scanning Digital outputs and pattern generationHardware analog triggering Digital triggeringSoftware-based triggering Counter inputs Stop trigger modesPre-triggering and post-triggering modes Totalize mode Tips for making high-speed counter measurements 1 MHzMapped channels Counter modesDebounce modes Trigger after stable mode Trigger before stable modeDebounce mode comparisons Debounce module Trigger before stable modeEncoder mode Optimal debounce time for trigger before stable modeRepresentation of rotary shaft quadrature encoder Connecting the USB-1616HS-2 to an encoder Maximizing encoder accuracyTimer outputs Example Timer outputsTimer output frequency examples Using multiple USB-1616HS-2s per PC Detection setpoint overviewCriteria input signal is equal to Action driven by condition Setpoint configuration Using the setpoint status registerDetecting on analog input, DAC, and Firstportc updates Examples of control outputsDetection on an analog input, timer output updates Analog inputs with setpoints update on True and FalseUsing the hysteresis function Timer output update on True and FalseUsing multiple inputs to control one DAC output Detecting setpoints on a totalizing counterFIRSTPORTC, DAC, or timer update latency Controlling analog, digital, and timer outputsDetection setpoint details Firstportc Calibrating the USB-1616HS-2 Specifications Analog input specificationsAnalog input accuracy specifications AccuracyAnalog output specifications Analog outputsThermocouples Thermocouple TC types and accuracy NoteDigital input/output specifications Digital input/outputCounter specifications Input sequencer specificationsCounters Input sequencerPower consumption Frequency/pulse generator specificationsPower consumption specifications Note Frequency/pulse generatorsExternal power USB specificationsSignal I/O connectors and pin out EnvironmentalUSB-1616HS-2 screw terminal pin out single-ended connections USB-1616HS-2 screw terminal pin out differential connections Declaration of Conformity USAMailinfo@mccdaq.com