Benutzeranleitung / Produktwartung NI USB-9219 des Produzenten National Instruments
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USER GUIDE AND SPECIFICATIONS NI USB-9219 4-Channel, 24-Bit, Univer sal Analog Input Module This user guide describes how to use the National Instruments USB-9219 and lists the device specifications. Introduction The NI USB-9219 provides a USB interface for four channels of universal analog input with integrated si gnal conditi oning.
NI USB-9219 U ser Guide and Specifications 2 ni.com Dimensions Figure 2 shows the NI USB-9219 device dim ensions. Figure 2. NI USB-9219 Device in Millimeters (Inches) Safety Guidelines Operate the NI USB-9219 on ly as described in thes e operating instructions.
© National Instruments Corporation 3 NI USB-9219 User Gu id e and Specifications Caution When module term inal s are hazardous voltage LIVE (>42.4 V pk /60 VDC), you must ensure that device s and circuits connect ed to the module are properly insulate d from human contact.
NI USB-9219 U ser Guide and Specifications 4 ni.com LabVIEW If you are a new user, use the Getting Started with LabVIEW manual to familiarize yourself wi th the LabVI EW graphical p rogrammin g environment and the basic LabVIEW features you use to build data acquisition and instrum ent control applications.
© National Instruments Corporation 5 NI USB-9219 User Gu id e and Specifications can create channels and tasks, and write your own applications in your ADE using the NI-D A Qmx API. For help with NI-DA Qmx methods and proper ties, refer to the NI-D A Qmx .
NI USB-9219 U ser Guide and Specifications 6 ni.com Library»Using the Measurement Studio .NET Class Libraries to view conceptual topics for using NI-D A Q mx with V isual C# and V isual Basic .NET . T o get to the same help topics from with in V isual Stu dio, go to Help» Contents .
© National Instruments Corporation 7 NI USB-9219 User Gu id e and Specifications Example Programs The NI-DAQmx CD contains example programs that you can use to get started programming wi th the NI USB-9219.
NI USB-9219 U ser Guide and Specifications 8 ni.com 5. Press firmly on the connector side of t he NI USB-9219 m odule until the latches lock the module into place, as sho wn in Figure 5. Figure 5. Locking Module into Place 6. Connect the USB cable to the assembled NI USB-9219.
© National Instruments Corporation 9 NI USB-9219 User Gu id e and Specifications Connecting the NI USB-9219 to a Computer Plug one end of the USB cable into the NI USB-9219 and the other end into an available USB port on the computer.
NI USB-9219 U ser Guide and Specifications 10 ni.com Wiring the NI USB-9219 Device Caution A high v oltage screw terminal backshell must be installed when using hazardous voltages (>42.4 V pk , 60 VDC). Note T able 2 illustrates the accessories a v ailable from ni.
© National Instruments Corporation 11 NI USB-9219 User Guid e and Specifications Connecting Wires to the NI USB-9219 Connectors Use a flathead screwdriver with a bl ade sm aller than 2.3 × 1.0 mm (0.09 × 0.04 in.) to connect wires to the de tachable spring-terminal connectors.
NI USB-9219 U ser Guide and Specifications 12 ni.com Wiring TEDS Channels The NI USB-9219 sup ports only Class II TEDS sens ors. Conn ect the two TEDS lines to TEDS Data (T+) and TEDS COM (T–) and ens ure that neither T+ nor T– is tied i n common to any of the signal inputs (terminals 3 through 6) on the NI USB-9219.
© National Instruments Corporation 13 NI USB-9219 User Guid e and Specifications NI USB-9219 T iming Options The NI USB-9219 supports four differ ent t iming options that are optimi zed for different types of applications by using different ADC conversion times.
NI USB-9219 U ser Guide and Specifications 14 ni.com 4-Wire Resistance and 4-Wire RTD Modes 4-Wire Resistance and 4-Wire RTD mo des source a current, which varies based on the resistance of the load, between the EX+ and EX– terminals. The measured resistance is computed from the resulting voltage reading.
© National Instruments Corporation 15 NI USB-9219 User Guid e and Specifications 2-Wire Resistance and Quarter -Bridge Modes In 2-Wire Resistance and Quarter-Brid ge modes, connect the two ends of the resistor or gauge to the NI USB-9219 across the HI and LO terminals.
NI USB-9219 U ser Guide and Specifications 16 ni.com Thermocouple Mode In Thermocouple mode, connect the positive end of the thermocouple to HI and the negative end of the thermo couple to LO. This mode uses the ±125 mV range of the ADC to return a voltage reading.
© National Instruments Corporation 17 NI USB-9219 User Guid e and Specifications Specifications The following specifications are typi cal for the range 0 to 60 °C unless otherwise noted. Input Characteristics Number of channels ............. ...... .
NI USB-9219 U ser Guide and Specifications 18 ni.com Overvoltage protection Terminals 1 and 2 ................... .........±30 V Terminals 3 through 6, across any combination ............... ....±60 V Input impeda nce Voltage and Digital In modes (±60 V, ±15 V, ±4 V) .
© National Instruments Corporation 19 NI USB-9219 User Guid e and Specifications Stability Mode, Range Gain Drift (ppm of Reading/ °C) Offset Drift (ppm of Range/°C) V oltage, ± 60 V ±20 ±0.2 V oltage, ± 15 V ±20 ±0.8 V oltage, ± 4 V ±20 ±3.
NI USB-9219 U ser Guide and Specifications 20 ni.com Input noise in ppm of Range rm s Input bias current ................ .............. ......<1 nA INL....................... ............ .............. .........±15 ppm CMRR ( f in = 60 Hz) .....
© National Instruments Corporation 21 NI USB-9219 User Guid e and Specifications Excitation lev el for Half-Bridge and Full-Bridge modes Excitation level for Resistance, RTD, and Quarter-Bridge modes Power Requirements Current consumption from USB ..
NI USB-9219 U ser Guide and Specifications 22 ni.com Safety If you need to clean the module, wipe it with a dry towel. Safety Vo ltages Connect only voltages that are within these limits. Isolation Channel-to-channel Continuous ..... ........... .....
© National Instruments Corporation 23 NI USB-9219 User Guid e and Specifications Environmental The USB-9219 is intended for ind oor use only but may be used ou tdoors if installed in a suitable enclosure. Operating temperature (IEC 60068-2-1, IEC 60068-2-2) .
NI USB-9219 U ser Guide and Specifications 24 ni.com Environmental Management National Instruments i s committed to designing and ma nufacturing products in an environmental ly responsible mann er. NI recognizes that eliminating certa in hazardous substances from our products is beneficial not only to t he environment but also to NI customers.
National Instruments, NI, ni.com, and LabVIEW are tradem arks of National Instruments Corporation. Refer to t he Terms of Use section on ni.com/legal for more information a bout National Instruments trademarks. Other product and compan y names mentioned herein are trademarks or t rade names of their respective companie s .
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