Manuale d’uso / di manutenzione del prodotto NI USB-9215 del fabbricante National Instruments
Vai alla pagina of 23
USER GUIDE AND SPECIFICA TIONS NI USB-9215 Series 4-Channel, ±10 VDC, 16-Bit Simultaneous Sampling Analog Input Devices This user guide describes how to use the National Instruments USB-9215 Series and lists the specifications.
NI USB-9215 Series User Gu ide and Specifications 2 ni.com Dimensions Figures 2 and 3 sho w the NI USB-9215 Series device dimensions. Figure 2. NI USB-9215 (Screw T ermin al) in Millimeters (Inches) Figure 3. NI USB-9215 (BNC) in Millimeters (Inches) Hi-Speed USB Carrier NI USB-9162 140.
© National Instruments Corporation 3 NI USB-9215 Series User Guide and Specifications Safety Guidelines Operate the NI USB-9215 Series only as described in these operating instructions.
NI USB-9215 Series User Gu ide and Specifications 4 ni.com Related Documentation Each application software package an d driv er includes info rmation about writing applications for taking measur ements and controlling measurement devices. The follo wing references to documents assume you have NI-D A Qmx 8.
© National Instruments Corporation 5 NI USB-9215 Series User Guide and Specifications Use the LabVIEW H elp , av ailable by selecting Help»Search the LabVIEW Help in LabVIEW , to access information .
NI USB-9215 Series User Gu ide and Specifications 6 ni.com this help file in V isual Studio. NET , select Measuremen t Studio» NI Measurement Studio Help . T o create an application in V isual C ++ , V isual C#, or V isual Basic .N ET , follo w these general steps: 1.
© National Instruments Corporation 7 NI USB-9215 Series User Guide and Specifications Device Documentation and Specifications NI-D A Qmx includes the De vice Docume nt Bro wser , which contains online documentation for suppo rted D A Q and SCXI devices, such as documents describing device pinouts, features, and operation.
NI USB-9215 Series User Gu ide and Specifications 8 ni.com T raining Courses If you need more help getting started developing an application with NI products, NI offers training courses. T o enroll in a course or obtain a detailed course outline, r efer to ni.
© National Instruments Corporation 9 NI USB-9215 Series User Guide and Specifications device, and is also accessible from Start»All Programs»National Instruments»NI-DAQ , for more informat ion. The NI-D A Q mx Base software ships with e xample programs you can use to get started programming with the NI USB-9215 Series.
NI USB-9215 Series User Gu ide and Specifications 10 ni.com Figure 5. Locking Module into Place Mounting the NI USB-9215 Series to a Panel Thread inserts are located in the NI USB-9215 Series for mounting it to a panel. Refer to Figure 6 for dimensions.
© National Instruments Corporation 11 NI U SB-9215 Series U ser Guide and Specifications LED Indicator The NI USB-9215 Series device ha s a green LED next to the USB connector.
NI USB-9215 Series User Gu ide and Specifications 12 ni.com Each channel of the NI USB-9215 Seri es has a term inal or center pin to which you can connect the positive v oltag e signal, AI+, and a terminal or shield to which you can connect the negati ve v oltage signal, AI–.
© National Instruments Corporation 13 NI U SB-9215 Series U ser Guide and Specifications Figure 7. BNC Connector Assignments Connecting Differential V oltage Signals to the NI USB-9215 Series For grounded differential signals, connect the positive vol tage signal to AI+ and the negative signal to AI–.
NI USB-9215 Series User Gu ide and Specifications 14 ni.com BNC has internal circuitry that keeps the voltage source within the common-mode range. Figure 9.
© National Instruments Corporation 15 NI U SB-9215 Series U ser Guide and Specifications Assembling the High V oltage Screw T erminal Backshell The high voltage screw terminal back shell must be instal led when using hazardous voltages (>42.4 V pk , 60 VDC).
NI USB-9215 Series User Gu ide and Specifications 16 ni.com NI USB-9215 Series Circuitr y The NI USB-9215 Series channe ls share a common ground. The NI USB-9215 protects each channel from overv oltag es. For more information about ov ervoltag e protection, refer to the Specifications section.
© National Instruments Corporation 17 NI U SB-9215 Series U ser Guide and Specifications Specifications The following specifications are typical for the range 0 to 60 °C unless otherwise noted. All voltages are rel ative to COM unless otherwise noted.
NI USB-9215 Series User Gu ide and Specifications 18 ni.com Conversion ti me Channel 0 only ............. ................ ....4.4 μ s Channels 0 and 1 .............. ...............6 μ s Channels 0, 1, and 2 .................. ......8 μ s Channels 0, 1, 2, and 3 .
© National Instruments Corporation 19 NI U SB-9215 Series U ser Guide and Specifications Settling time (to 2 LSBs) With screw terminal 10 V step ............. ................. .... 10 μ s 20 V step ............. ................. .... 15 μ s With BNC 10 V step .
NI USB-9215 Series User Gu ide and Specifications 20 ni.com Safety If you need to clean the module, wipe it with a dry towel . Safety Vo ltages NI USB-9215 with Screw T erminal Safety Voltages Connect only voltages that are within these limits. Channel-to-COM .
© National Instruments Corporation 21 NI U SB-9215 Series U ser Guide and Specifications Safety Standards This product is designed to meet the requirements of the follow ing standards of safety for e.
NI USB-9215 Series User Gu ide and Specifications 22 ni.com CE Compliance This product meets the essential re quirements of applicable European Directives, as amended fo r CE marking, as follows: • .
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 m ore information a bout National Instruments trademarks. Other product and compan y names mentioned herein are trademarks or trade names of their respective companie s.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il National Instruments NI USB-9215 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del National Instruments NI USB-9215 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso National Instruments NI USB-9215 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul National Instruments NI USB-9215 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il National Instruments NI USB-9215, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del National Instruments NI USB-9215.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il National Instruments NI USB-9215. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo National Instruments NI USB-9215 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.