National Instruments 9221 - Manuals

NI 9201/9221 6 ni.com Caution Do not disconnect I/O-side wires or connectors u nless power has been switched off or the area is known to be nonhazardo u s. Caution Do not remove mod u les u nless power has been switched off or the area is known to be nonhazardo u s. Caution S u bstit u tion of compo...

© National Instruments Corp. 7 NI 9201/9221 locations. If 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 – 40 °C ≤ Ta ≤ 70 °C, yo u m u st u se the device in an NI chassis that has been eval u ated as EEx nC IIC T4, Ex nA IIC T4, or Ex nL II...

NI 9201/9221 8 ni.com Connecting the NI 9201/9221 The NI 9201/9221 provides connections for eight analog inp u t channels. Figure 2. NI 9201/9221 Terminal and Pin Assignments AI0AI1AI2AI3AI4AI5AI6AI7NCCOM 0123456789 COMNCCOMCOMNCCOMCOMNCCOMCOMNCCOMCOM AI0NCAI1AI2NCAI3AI4NCAI5AI6NCAI7 123456789 10111...

© National Instruments Corp. 9 NI 9201/9221 The NI 9201/9221 with screw terminal has a 10-terminal, detachable screw-terminal connector. The NI 9201/9221 with DSUB has a 25-pin DSUB connector. Each channel has an AI terminal or pin to which yo u can connect a voltage signal. COM, the common terminal...

NI 9201/9221 10 ni.com Yo u can connect single-ended voltage signals to the NI 9201/9221. Connect the positive lead of the voltage 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 voltage signal to the NI 9201/9221. Figure 4. Co...

NI 9201/9221 12 ni.com Sleep Mode This mod u le s u pports a low-power sleep mode. S u pport for sleep mode at the system level depends 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. If the chassis s u pports sleep ...

© National Instruments Corp. 13 NI 9201/9221 Input Characteristics N u mber of channels .......................... 8 analog inp u t channels ADC resol u tion ................................. 12 bits Type of ADC..................................... S u ccessive approximation register (SAR) Sample ra...

NI 9201/9221 14 ni.com Operating voltage ranges 1 Overvoltage protection(channel-to-COM) ............................ ±100 V 1 Refer to the Safety Guidelines section for more information abo u t safe operating voltages. Module Measurement Voltage, Channel-to-COM Maximum Voltage, Channel-to-Earth Gro...

© National Instruments Corp. 15 NI 9201/9221 NI 9201 acc u racy (excl u des noise) Measurement Conditions Percent of Reading (Gain Error) Percent of Range * (Offset Error) Calibrated typ (25 °C, ±5 °C) ±0.04% ±0.07% Calibrated max (– 40 to 70 ºC) ±0.25% ±0.25% Uncalibrated typ (25 °C, ±5 °C) ±0.26% ...

© National Instruments Corp. 17 NI 9201/9221 Inp u t impedance Resistance ................................... 1 M Ω Capacitance ................................ 5 pF Inp u t noise (code-centered) RMS ........................................... 0.7 LSB rms Peak-to-peak ..................................

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 Part Stress Method Note Contact NI for Bellcore MTBF specifications at other temperat u res or for MIL-HDBK-217F specifications. Power Requirements Po...

© National Instruments Corp. 19 NI 9201/9221 Physical Characteristics If yo u need to clean the mod u le, wipe it with a dry towel. Screw-terminal wiring ...................... 12 to 24 AWG copper cond u ctor wire with 10 mm (0.39 in.) of ins u lation stripped from the end Ferr u les ..................

© National Instruments Corp. 21 NI 9201/9221 NI 9201/9221 with DSUB Isolation Voltages Channel-to-channel ........................... No isolation between channels Channel-to-earth gro u nd Contin u o u s ................................. 60 VDC, Meas u rement Category I Withstand......................

NI 9201/9221 22 ni.com Safety Standards This prod u ct is designed to meet the req u irements of the following standards of safety for electrical eq u ipment for meas u rement, control, and laboratory u se: • IEC 61010-1, EN 61010-1 • UL 61010-1, CSA 61010-1 Note For UL and other safety certificatio...

© National Instruments Corp. 23 NI 9201/9221 Environmental National Instr u ments C Series mod u les are intended for indoor u se only b u t may be u sed o u tdoors if installed in a s u itable enclos u re. Refer to the man u al for the chassis yo u are u sing for more information abo u t meeting th...

NI 9201/9221 24 ni.com Shock and Vibration To meet these specifications, yo u m u st panel mo u nt the system. If yo u are u sing the NI 9201/9221 with screw terminal, yo u also m u st either affix ferr u les to the ends of the terminal wires or u se the NI 9932 backshell kit to protect the connecti...

© National Instruments Corp. 25 NI 9201/9221 Note For EMC compliance, operate this device with shielded cabling. CE Compliance This prod u ct meets the essential req u irements of applicable E u ropean directives, as amended for CE markings, as follows: • 2006/95/EC; Low-Voltage Directive (safety) •...

NI 9201/9221 26 ni.com For additional environmental information, refer to the NI and the Environment Web page at ni.com/environment . This page contains the environmental reg u lations and directives with which NI complies, as well as other environmental information not incl u ded in this doc u ment...

© National Instruments Corp. 27 NI 9201/9221 Calibration Yo u can obtain the calibration certificate and information abo u t calibration services for the NI 9201/9221 at ni.com/ calibration . Calibration interval ........................... 1 year Where to Go for Support The National Instr u ments W...