Page 2 - Note
NI 9201/9221 2 ni.com This doc u ment describes how to u se the National Instr u ments 9201 and National Instr u ments 9221 and incl u des specifications 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...
Page 3 - Safety Guidelines; Hot Surface; Safety Guidelines for Hazardous Voltages; Caution; not
© National Instruments 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. To u ching this component may res u lt in bodily inj u ry. Safety Guidelines for Hazardous Voltages...
Page 5 - Safety Guidelines for Hazardous Locations
© National Instruments Corp. 5 NI 9201/9221 Figure 1. NI 9932 Connector Backshell Safety Guidelines for Hazardous Locations The NI 9201/9221 is s u itable for u se in Class I, Division 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 loca...
Page 6 - Special Conditions for Hazardous Locations Use in Europe
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...
Page 7 - Special Conditions for Marine Applications
© 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...
Page 8 - The NI 9201/9221 provides connections for eight analog inp
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...
Page 9 - Specifications
© 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...
Page 10 - Wiring for High-Vibration Applications
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...
Page 12 - Sleep Mode
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 ...
Page 13 - Input Characteristics; t channels; Module
© 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...
Page 14 - Operating voltage ranges
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...
Page 15 - Measurement Conditions
© 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% ...
Page 17 - Inp
© 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 ..................................
Page 18 - Bellcore Iss; Contact NI for Bellcore MTBF specifications; Power Requirements; Power cons
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...
Page 19 - Physical Characteristics; Safety Voltages
© 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 ..................
Page 21 - MAINS
© 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......................
Page 22 - Safety Standards; Hazardous Locations
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...
Page 23 - Environmental
© 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...
Page 24 - Shock and Vibration; Electromagnetic Compatibility
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...
Page 25 - CE Compliance; Environmental Management
© 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) •...
Page 26 - Waste Electrical and Electronic Equipment (WEEE); EU Customers; must; RoHS; National Instruments; about China RoHS compliance, go to
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...
Page 27 - Calibration; Where to Go for Support
© 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...