National Instruments NI 9233, Operating Instructions Manual

Page 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9233 4 Channel 5 V 24 Bit IEPE Analog Input Module ni com manuals Deutsch Fran ais...

Page 2: ...ng and programming the system refer to the system documentation Visit ni com info and enter cseriesdoc for information about C Series documentation Note The safety guidelines and specifications in thi...

Page 3: ...Class I Division 2 Groups A B C D T4 hazardous locations Class I Zone 2 AEx nC IIC T4 and Ex nC IIC T4 hazardous locations and nonhazardous locations only Follow these guidelines if you are installing...

Page 4: ...e within the following limit Capacitance 0 2 F max Special Conditions for Hazardous Locations Use in Europe This equipment has been evaluated as EEx nC IIC T4 equipment under DEMKO Certificate No 03 A...

Page 5: ...arch for the LR certificate or look for the Lloyd s Register mark on the module Caution To meet radio frequency emission requirements for marine applications use shielded cables and install the system...

Page 6: ...Specifications 6 ni com Connecting the NI 9233 The NI 9233 has four BNC connectors that provide connections for four simultaneously sampled analog input channels Figure 1 NI 9233 Connector Assignment...

Page 7: ...ated from the IEPE electronics so connecting the sensor to the NI 9233 results in a floating connection even though the case of the sensor is grounded To further minimize ground noise prevent the meta...

Page 8: ...ting Instructions and Specifications 8 ni com Figure 2 Connecting a Grounded IEPE Sensor to the NI 9233 Figure 3 Connecting a Floating IEPE Sensor to the NI 9233 NI 9233 IEPE Sensor AI AI NI 9233 AI A...

Page 9: ...from overvoltages The NI 9233 provides an IEPE excitation current for each input signal The signal is AC coupled buffered and conditioned The signal is then sampled by a 24 bit Delta Sigma ADC The NI...

Page 10: ...ider are the passband the stopband and the alias free bandwidth The NI 9233 represents signals within the passband as quantified primarily by passband flatness and phase nonlinearity All signals that...

Page 11: ...s on the data rate Figure 5 shows typical passband flatness for data rates above 25 65 kS s and less than or equal to 25 65 kS s Figure 5 Typical Passband Flatness for the NI 9233 Frequency Data Rate...

Page 12: ...nt delay The variation in the phase delay with frequency is called the phase nonlinearity Figure 6 shows the phase nonlinearity for data rates above 25 65 kS s and less than or equal to 25 65 kS s The...

Page 13: ...9233 Operating Instructions and Specifications Figure 6 Phase Nonlinearity of the NI 9233 0 45 0 15 4 2 0 2 4 0 10 0 05 0 00 0 40 0 35 0 30 0 25 0 20 Data Rate 25 65 kS s Phase Error Degrees Data Rat...

Page 14: ...dth of the NI 9233 is not an aliased artifact of signals at a higher frequency The alias free bandwidth is defined by the ability of the filter to reject frequencies above the stopband frequency and i...

Page 15: ...33 When fs is 25 65 kS s fs where n is any integer from 2 to 25 When fs is 25 65 kS s fs where n is any integer from 2 to 3 However the data rate must remain within the appropriate data rate range Ref...

Page 16: ...manual for information about support for sleep mode If the chassis supports sleep mode refer to the software help for information about enabling sleep mode Visit ni com info and enter cseriesdoc for...

Page 17: ...aracteristics Number of channels 4 analog input channels ADC resolution 24 bits Type of ADC Delta Sigma with analog prefiltering Sampling mode Simultaneous Internal master timebase fM Frequency 12 8 M...

Page 18: ...fs 25 65 kS s n 2 3 25 fs 25 65 kS s n 2 3 Input coupling AC AC cutoff frequency 3 dB 0 5 Hz typ 0 1 dB 4 2 Hz max 1 The data rate must remain within the appropriate data rate range Refer to the Under...

Page 19: ...NI 9233 Operating Instructions and Specifications AC cutoff frequency response Input range 5 V AC voltage full scale range Minimum 5 Vpk Typical 5 4 Vpk Maximum 5 8 Vpk Frequency Hz 10 4 0 5 0 0 0 5...

Page 20: ...A IEPE compliance voltage 19 V max Use the following equation to make sure that your configuration meets the IEPE compliance voltage range Vcommon mode Vbias Vfull scale must be 0 to 19 where Vcommon...

Page 21: ...hassis ground For an IEPE sensor connected to AI and AI 30 V For a low impedance source connected to AI and AI 6 to 30 V Input delay 25 65 kS s 12 8 fs 3 s 25 65 kS s 9 8 fs 3 s Accuracy 40 to 70 C Ca...

Page 22: ...7 0 067 Passband Flatness pk to pk max fs 25 65 kS s 0 05 dB 10 Hz to 0 45 fs fs 25 65 kS s 0 05 dB 10 Hz to 0 42 fs Phase nonlinearity fs 25 65 kS s 3 4 10 Hz to 0 45 fs fs 25 65 kS s 1 3 20 Hz to 0...

Page 23: ...nd 3 100 dB Nonpaired channels 110 dB CMRR fin 1 kHz Minimum 44 dB Typical 56 dB SFDR fin 1 kHz 60 dBFS 120 dB Idle channel noise and noise density Input impedance Differential AC 300 k AI shield to c...

Page 24: ...dB CCIF 11 kHz 12 kHz 1 1 amplitude ratio 93 dB MTBF 397 465 hours at 25 C Bellcore Issue 2 Method 1 Case 3 Limited Part Stress Method Note Contact NI for Bellcore MTBF specifications at other temper...

Page 25: ...0 5 mW max Thermal dissipation at 70 C Active mode 640 mW max Sleep mode 0 5 mW max Physical Characteristics If you need to clean the module wipe it with a dry towel Weight 173 g 6 1 oz Safety Safety...

Page 26: ...ps A B C D T4 Class I Zone 2 Ex nC IIC T4 Europe DEMKO EEx nC IIC T4 Safety Standards This product meets the requirements of the following standards of safety for electrical equipment for measurement...

Page 27: ...control and laboratory use EN 61326 IEC 61326 Class A emissions Industrial immunity EN 55011 CISPR 11 Group 1 Class A emissions AS NZS CISPR 11 Group 1 Class A emissions FCC 47 CFR Part 15B Class A e...

Page 28: ...fication Refer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product visit ni com certification se...

Page 29: ...r indoor use only but may be used outdoors if installed in a suitable enclosure Refer to the manual for the chassis you are using for more information about meeting these specifications Operating temp...

Page 30: ...d to NI customers For additional environmental information refer to the NI and the Environment Web page at ni com environment This page contains the environmental regulations and directives with which...

Page 31: ...n the calibration certificate and information about calibration services for the NI 9233 at ni com calibration Calibration interval 1 year RoHS National Instruments RoHS National Instruments RoHS ni c...

Page 32: ...al Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the call...

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Page 34: ...n ni com legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents cover...