Manuale d’uso / di manutenzione del prodotto 9221 del fabbricante National Instruments
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OPERATING INSTRUCTIONS AND S PECIFICATIONS NI 9201/9221 8-Channel, 12-Bit Analog Input Modules ni.com/manuals Deutsch Français.
NI 9201/9221 2 ni.com This doc u ment describes ho w to u se the National Instr u ments 9 201 and National Instr u ments 9221 and incl u des specif ications and terminal assignments for the NI 9201/9221. In this doc u ment, the NI 9201/9221 with screw terminal and NI 9201/9221 with DSUB are referred to incl u si vely as the NI 9201/9221.
© National Inst ruments Corp. 3 NI 9201/9221 Safety Guidelines Operate the NI 9201/9221 only as described in these operating instr u ctions. 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 .
NI 9201/9221 4 ni.com Caution Make s u re that devices and circ u its connected to the mod u le are properly ins u lated from h u man contact. Caution When mod u le terminals are hazardo u s voltage LIVE (>42.4 V pk /60 VDC), yo u m u st ens u re that devices and circ u its connected to the mod u le are properly ins u lated from h u man contact.
© National Inst ruments Corp. 5 NI 9201/9221 Figure 1. NI 9932 Connector Backshell Safety Guidelines fo r Hazardous Loca tions The NI 9201/9221 is s u itable for u se in Class I, Di vision 2, Gro u ps A, B, C, D, T4 hazardo u s locations; Class I, Zone 2, AEx nC IIC T4, and Ex nC IIC T4 hazardo u s locations; and nonhazardo u s locations on ly .
NI 9201/9221 6 ni.com Caution Do not disconnect I/O-side wires or connectors u nless power has been switched of f or the area is know n to be nonhazardo u s. Caution Do not r em ove m od u les u nless po wer has been switched off or the area is kno wn to be nonhazardo u s.
© National Inst ruments Corp. 7 NI 9201/9221 locations. I f yo u are u sing the NI 9201/9221 in Gas Gro u p IIC hazardo u s locations or in ambient temperat u res of –4 0 ° C ≤ Ta ≤ 70 °C, yo u m u st u se the de vice in an NI ch assis that has been e v al u at ed as EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4 eq u ipment.
NI 9201/9221 8 ni.com Connecting the NI 9201/9221 The NI 9201/9221 provides co nnections for eight analog inp u t channels. Figure 2. NI 9201/9221 T erminal and Pin Assignm ents AI0 AI1 AI2 AI3 AI4 AI.
© National Inst ruments Corp. 9 NI 9201/9221 The NI 9201/9221 with scre w te rminal has a 10-terminal, detachable scre w-terminal connector . The NI 9201/9221 with DSUB has a 25-pin DSUB connect or . Each channel has an AI terminal or pin to which yo u can connect a voltag e signal.
NI 9201/9221 10 ni.com Yo u can connect single-e nded v oltage signals to the NI 9201/9221. Connect the positi ve lead of the v oltage signal to AI. Connect the gro u nd signal to COM. Refer to Fig u re 3 for an ill u stration of connecting a single-ended volt age signal to the NI 9201/9221.
© National Inst ruments Corp. 11 NI 9201/9221 scre w-terminal connector or u se the NI 9932 backshell kit to protect the connecti ons. Refer to Fig u re 5 for an ill u stration of u sing ferr u les. Refer to Fig u re 1 for an ill u stration of the NI 9932 connector backshell.
NI 9201/9221 12 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. 13 NI 9201/9221 Input Characteristics N u mber of channels ............ ........... ... 8 an alog inp u t channels ADC resol u tion . ........... ........... .......... 12 bits T ype of ADC ....... ........... ..........
NI 9201/9221 14 ni.com Operating voltage ranges 1 Overv oltage protection (channel-to-COM) ......... ......... .......... ±100 V 1 Refer to the Safety Guideli nes section for more information abo u t safe oper ating voltages .
© National Inst ruments Corp. 15 NI 9201/9221 NI 9201 acc u racy (e xcl u des noise) Measurement Conditions Per cent of Reading (Gain Error) Per cent of Range * (Offset Error) Calibrated typ (25 °C, ±5 °C) ±0.04% ±0.07% Calibrated max (– 40 to 70 ºC) ±0.
NI 9201/9221 16 ni.com NI 9221 acc u racy (e xcl u des noise) Stability Gain drift .......... ............ ........... ... ±34 ppm/°C Offset drift NI 9201 ......... .................. ..... ±100 μ V/°C NI 9221 ......... .................. ..... ±580 μ V/°C Inp u t bandwidth (–3 dB) NI 9201 .
© National Inst ruments Corp. 17 NI 9201/9221 Inp u t impedance Resistance ..... ......... ........... .......... 1 M Ω Capacitance ......... ........... ........... . 5 pF Inp u t noise (code-centered) RMS ................. ............ ......... .
NI 9201/9221 18 ni.com MTBF .......... ........... .................. ........ 1,485,465 ho u rs at 25 °C; Bellcore Iss u e 6, Method 1, Case 3, Limited P art Stress Method Note Contact NI for Bellcore MTBF specifications at other temperat u res or for MIL-HDBK-21 7F specifications.
© National Inst ruments Corp. 19 NI 9201/9221 Physical Characteristics If yo u need to clean the mod u l e, wipe it with a dry to wel. Screw-terminal wiring ............ .......... 12 to 24 A WG copper cond u ctor wire with 10 mm (0.39 in.) of ins u lation stripped from the end Ferr u les .
NI 9201/9221 20 ni.com NI 9201/9221 with Screw T erminal Isolati on Voltages Channel-to-channel ............. ........... ... No isol ation between channels Channel-to-earth gro u nd Contin u o u s .......... ......... ........... ... 250 V rms , Meas u rement Category II W ithstand .
© National Inst ruments Corp. 21 NI 9201/9221 NI 9201/9221 with DSUB Isolation Voltages Channel-to-channel ............. ........... ... No isol ation between channels Channel-to-earth gro u nd Contin u o u s ................... ......... ..... 60 VDC, Meas u rement Category I W ithstand .
NI 9201/9221 22 ni.com Safety Standards This prod u ct is designed to meet the req u ire ments of the follo wing standards of safety for electrical eq u ipment for meas u rement, control, and laborato.
© National Inst ruments Corp. 23 NI 9201/9221 Environmental National Instr u ments C Series mod u les are intend ed for indoor u se only b u t may be u sed o u tdoors if installed in a s u itabl e enclos u re. Refer to th e man u al for the chassis yo u are u sing for more information abo u t meeting th ese specif ications.
NI 9201/9221 24 ni.com Shock and Vibration T o meet these sp ecif ications, yo u m u st panel mo u nt the system. If yo u are u sing the NI 9201/9221 with scre w terminal, yo u also m u st either af f ix ferr u les to the ends of the terminal wires or u se the NI 9932 backshell kit to protect the connections.
© National Inst ruments Corp. 25 NI 9201/9221 Note For EMC compliance, operate this de vice with shielded cabling. CE Compliance This prod u ct meets the essent ial req u irem ents of app licable E u.
NI 9201/9221 26 ni.com For additional en vironmental information, refer to the NI and the Environment W eb page at ni.com/environment . This page contains the en vironmental reg u lations and direct i ves with which NI complies, as well as othe r en vironmental information not incl u ded in this doc u ment.
© National Inst ruments Corp. 27 NI 9201/9221 Calibration Yo u can obtain the calibration cert ificate and information abo u t calibration services for th e NI 9201/9221 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 9221 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 9221 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso National Instruments 9221 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul National Instruments 9221 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il National Instruments 9221, 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 9221.
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 9221. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo National Instruments 9221 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.
