Manuale d’uso / di manutenzione del prodotto NI 9215 del fabbricante National Instruments
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OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9215 4-Channel, ±10 V, 16-Bit Simultan eous Analog Input Module ni.com/manuals Deutsch Français.
NI 9215 Operating I nstruction s and Specificati ons 2 ni.com This doc u ment describes ho w to u se the National Instr u ments 9 215 and incl u des specif ications and term inal assignments for the NI 9215. In this doc u ment, the NI 9215 with scre w terminal and NI 9215 with BNC are referred to incl u si v ely as the NI 9215.
© National Inst ruments Corp. 3 NI 9215 Operating Instructi ons and Specific ations Hot Surface This icon denotes that the component may be hot. T o u ching this component may res u lt in bodily inj u ry . Safety Guidelines for Hazardous V oltages Yo u can connect hazardo u s v oltages only to the NI 9215 with scre w terminal.
NI 9215 Operating I nstruction s and Specificati ons 4 ni.com and circ u its connected to the mod u le are properly ins u lated from h u man contact. Y o u m u st u se the NI 99 32 connector backshell kit to ens u re that the terminals are not accessible.
© National Inst ruments Corp. 5 NI 9215 Operating Instructi ons and Specific ations Safety Guidelines fo r Hazardous Loca tions The NI 9215 is s u itable for u se in Class I, Division 2, Gro u ps A, B, C, D, and T4 hazardo u s locations; Class I, Zone 2, AEx nC IIC T4 and Ex nC IIC T4 hazardo u s locations; and n onhazardo u s locations only .
NI 9215 Operating I nstruction s and Specificati ons 6 ni.com Caution For Zone 2 applications, connected signals m u st be within the following limit: Capacitance .
© National Inst ruments Corp. 7 NI 9215 Operating Instructi ons and Specific ations Caution T o meet radio freq u enc y emission req u irements for marine applications, u se shielded cables and install the system in a metal enclos u re.
NI 9215 Operating I nstruction s and Specificati ons 8 ni.com Connecting the NI 9215 The NI 9215 pro vides connections for fo u r dif ferential ana log inp u t channels.
© National Inst ruments Corp. 9 NI 9215 Operating Instructi ons and Specific ations Figure 3. Connector Assignments of the NI 9215 with BNC AI 3 + AI 3 – AI2+ AI2– AI0+ AI0– AI1+ AI1–.
NI 9215 Operating I nstruction s and Specificati ons 10 ni.com The NI 9215 with screw terminal has a 10-terminal detachable scre w-terminal connector .
© National Inst ruments Corp. 11 NI 9215 Operating Instructi ons and Specific ations Connecting Differen tial Voltage Signal s to the NI 9215 Yo u can connect gro u nded or floating dif feren tial signals to th e NI 9215. Connect the positi ve voltage signal to AI+ and the negati ve voltage signal to AI–.
NI 9215 Operating I nstruction s and Specificati ons 12 ni.com T o connect floating dif f erential signals to the NI 9215 with screw terminal, yo u m u st connect the nega tiv e lead of the signal to COM thro u gh a 1 M Ω resistor to keep the v oltage so u rce within the common-mode voltage ra nge, as sho wn in Fig u re 5.
© National Inst ruments Corp. 13 NI 9215 Operating Instructi ons and Specific ations Connecting Single-En ded V oltage Signals to the NI 9215 T o connect single-ende d vo ltage signals to the NI 9215.
NI 9215 Operating I nstruction s and Specificati ons 14 ni.com Wiring for High Vibrati on Applications If an application u sing the NI 9215 with scre w terminal is s u bject to high vibration, Nationa.
© National Inst ruments Corp. 15 NI 9215 Operating Instructi ons and Specific ations NI 9215 Circuitr y The NI 9215 channels share a common gro u nd that is isolated from other mod u les in the system. The NI 9215 protects each channel from ov erv oltages.
NI 9215 Operating I nstruction s and Specificati ons 16 ni.com Figure 8. Input Cir c uitry for One Channel on the NI 9215 with Screw T erminal COM AI + AI – NI 9215 with Screw T erminal Isolated ADC.
© National Inst ruments Corp. 17 NI 9215 Operating Instructi ons and Specific ations The NI 9215 with BNC has a resistor that ens u res the inp u t voltage does not drift o u tside of the common-mode range.
NI 9215 Operating I nstruction s and Specificati ons 18 ni.com Sleep Mode This mod u le s u pports a low-po wer sleep mode. S u pport for sleep mode at the system le vel depe nds on the chassis that the mod u le is pl u gged into. Refer to the chassis man u al for information abo u t s u pport for sleep mode.
© National Inst ruments Corp. 19 NI 9215 Operating Instructi ons and Specific ations Specifications The follo wing specifications are typical for the range – 40 to 70 °C u nless otherwise noted. Input Characteristics N u mber of channels .........
NI 9215 Operating I nstruction s and Specificati ons 20 ni.com Inp u t voltage ranges 1 1 Refer to the Safety Guideli nes section for more information abo u t safe oper ating voltages. Measurement V oltage, AI+ to AI– Maximum V oltage (Signal + Common Mode) Minimum* (V) Ty p i c a l (V) Maximum (V) Screw Te r m i n a l BNC ±10.
© National Inst ruments Corp. 21 NI 9215 Operating Instructi ons and Specific ations Overv oltage protecti on ................ ..... ± 30 V Con version time Channel 0 only .......... ............ ..... 4 .4 μ s Channels 0 and 1 ............ .......
NI 9215 Operating I nstruction s and Specificati ons 22 ni.com CMRR ( f in = 60 Hz) ................ .......... –73 dB min Inp u t bandwidth (–3 dB) ..... ............. . 420 kHz min Inp u t impedance Resistance NI 9215 with screw terminal .......
© National Inst ruments Corp. 23 NI 9215 Operating Instructi ons and Specific ations NI 9215 with BNC 10 V step ....... ........... ......... ... 25 μ s 20 V step ....... ........... ......... ... 35 μ s No missing code s ....... ........... ......
NI 9215 Operating I nstruction s and Specificati ons 24 ni.com Thermal dissipation (at 70 °C) Active mode .............. ......... ........ 560 mW max Sleep mode . ......... ........... ......... ... 25 μ W ma x Physical Characteristics If yo u need to clean the mod u l e, wipe it with a dry to wel.
© National Inst ruments Corp. 25 NI 9215 Operating Instructi ons and Specific ations Safety NI 9215 with Screw T erminal Safety Voltages Connect only v oltages that are within the follo wing lim its. Channel-to-COM ........... ........... ........ ± 30 V max Isolation Channel-to-channel .
NI 9215 Operating I nstruction s and Specificati ons 26 ni.com Caution Do not connect the NI 9215 with scre w terminal to signals or u se for meas u rements within Meas u rement Categories III or IV . NI 9215 with BNC Safety Voltages Connect only v oltages that are within the follo wing lim its.
© National Inst ruments Corp. 27 NI 9215 Operating Instructi ons and Specific ations eq u ipment, limited-ene rg y parts of eq u ipment , circ u its po wered by reg u lated lo w-voltage so u rces, and electronics. Caution Do not connect the NI 9215 with BNC to signals or u se for meas u rements within Meas u rement Categories II, III, or IV .
NI 9215 Operating I nstruction s and Specificati ons 28 ni.com Hazardous Locations U.S. (UL) .............. ......... ........... ........ Class I, Division 2, Gro u ps A, B, C, D, T4; Class I, Zone 2, AEx nC IIC T4 Canada (C-UL) ... ............. ...
© National Inst ruments Corp. 29 NI 9215 Operating Instructi ons and Specific ations Operating h u midity (IEC 60068-2-56)....... ........... ............ 10 to 90% RH, noncondensing Storage h u midity (IEC 60068-2-56)....... ........... ............
NI 9215 Operating I nstruction s and Specificati ons 30 ni.com Electromagnetic Compatibility This prod u ct is designed to meet the req u ire ments of the follo wing standards of EMC for electrical eq.
© National Inst ruments Corp. 31 NI 9215 Operating Instructi ons and Specific ations ni.com/certification , search by mod u le n u mber or prod u ct line, and click the appropriate link in the Certification col u mn.
NI 9215 Operating I nstruction s and Specificati ons 32 ni.com Calibration Yo u can obtain the calibration cert ificate and information abo u t calibration services for th e NI 9215 at ni.com/calibration . Calibration interval ...... ........... .....
© National Inst ruments Corp. 33 NI 9215 Operating Instructi ons and Specific ations National Instr u ments also has off ices located aro u nd the world to help address yo u r s u pport needs. For telephone s u pport in the United States, c reate yo u r ser vice req u est at ni.
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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 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 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 9215 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul National Instruments NI 9215 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il National Instruments NI 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 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 9215. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo National Instruments NI 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.
