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- NI 9225E
- Operating Instructions Manual
National Instruments NI 9225E Operating Instructions Manual
Summary of NI 9225E
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Operating instructions and specifications ni 9225e 3-channel, 300 v rms , 24-bit, simultaneous, channel-to-channel isolated analog input module.
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Ni 9225e operating instructions and specifications 2 ni.Com this document describes how to use the national instruments 9225e and includes dimensions, terminal assignments, and specifications for the ni 9225e. Visit ni.Com/info and enter rdsoftwareversion to determine which software you need for the...
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© national instruments corp. 3 ni 9225e operating instructions and specifications ni 9225e dimensions the following figure shows the dimensions of the ni 9225e. Figure 1. Ni 9225e dimensions in millimeters (inches) 73.4 (2.89) 0.0 (0.00) 26.7 (1.05) 58.4 (2.30) 66.0 (2.60) 0.0 (0.00).
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Ni 9225e operating instructions and specifications 4 ni.Com connecting the ni 9225e the ni 9225e has three 2-terminal detachable screw-terminal connectors that provide connections for three simultaneously sampled, isolated analog input channels. Figure 2. Ni 9225e terminal assignments ai0+ ai0– ai1+...
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© national instruments corp. 5 ni 9225e operating instructions and specifications you can connect ground-referenced or floating signal sources to the ni 9225e. Connect the positive signal of the signal source to the ai+ terminal, and connect the negative signal of the signal source to the ai– termin...
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Ni 9225e operating instructions and specifications 6 ni.Com figure 3. Connecting a grounded signal source to the ni 9225e figure 4. Connecting a floating signal source to the ni 9225e ni 9225e signal source ai– + – ai+ ni 9225e signal source ai– + – ai+.
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© national instruments corp. 7 ni 9225e operating instructions and specifications the ni 9225e analog input channels are floating with respect to earth ground and each other. The incoming analog signal on each channel is conditioned, buffered, and then sampled by a 24-bit delta-sigma adc. Each chann...
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Ni 9225e operating instructions and specifications 8 ni.Com understanding ni 9225e filtering the ni 9225e uses a combination of analog and digital filtering to provide an accurate representation of in-band signals while rejecting out-of-band signals. The filters discriminate between signals based on...
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© national instruments corp. 9 ni 9225e operating instructions and specifications figure 6. Typical passband response of the ni 9225e frequency/data rate 0.5 0.4 0.025 0.000 –0.025 –0.050 0.3 0.2 0.1 0 gain (db).
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Ni 9225e operating instructions and specifications 10 ni.Com stopband the filter significantly attenuates all signals above the stopband frequency. The primary goal of the filter is to prevent aliasing. Therefore, the stopband frequency scales precisely with the data rate. The stopband rejection is ...
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© national instruments corp. 11 ni 9225e operating instructions and specifications modules must share a single master timebase source. Refer to the software help for information about configuring the master timebase source for the ni 9225e. Visit ni.Com/info and enter cseriesdoc for information abou...
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Ni 9225e operating instructions and specifications 12 ni.Com sleep mode this module supports a low-power sleep mode. Support for sleep mode at the system level depends on the chassis that the module is plugged into. Refer to the chassis manual for information about support for sleep mode. If the cha...
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© national instruments corp. 13 ni 9225e operating instructions and specifications specifications the following specifications are typical for the range –40 to 85 °c unless otherwise noted. All voltages are relative to the ai– signal on each channel unless otherwise noted. Input characteristics numb...
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Ni 9225e operating instructions and specifications 14 ni.Com data rate range ( f s ) using external master timebase minimum.................................... 390.6 s/s maximum ................................... 51.2 ks/s data rates 1 ( f s ) ................................... , n = 1, 2, ..., 31...
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© national instruments corp. 15 ni 9225e operating instructions and specifications accuracy input noise ........................................ 2 mv rms stability gain drift .................................... ±10 ppm/°c offset drift .................................. ±970 μ v/°c post calibration ...
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Ni 9225e operating instructions and specifications 16 ni.Com crosstalk (60 hz).............................. –130 db phase match ch-to-ch, max............................. 0.035°/khz module-to-module, max............. 0.035°/khz + 360° · f in / f m phase linearity ( f s = 50 ks/s) ............. 0.22...
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© national instruments corp. 17 ni 9225e operating instructions and specifications total harmonic distortion (thd) (1 khz, –20 db) ................................ –95 db mtbf ............................................... 301,606 hours at 25 °c; bellcore issue 2, method 1, case 3, limited part str...
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Ni 9225e operating instructions and specifications 18 ni.Com physical characteristics if you need to clean the module, wipe it with a dry towel. Screw-terminal wiring ...................... 16 to 28 awg copper conductor wire with 7 mm (0.28 in.) of insulation stripped from the end torque for screw t...
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© national instruments corp. 19 ni 9225e operating instructions and specifications isolation voltages channel-to-channel continuous ................................. 600 v rms , measurement category ii, (basic insulation) withstand.................................... 2,300 v rms , verified by a 5 s ...
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Ni 9225e operating instructions and specifications 20 ni.Com safety standards this product meets the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use when installed in a suitable enclosure: • iec 61010-1, en 61010-1 • ul 61010-1,...
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© national instruments corp. 21 ni 9225e operating instructions and specifications environmental national instruments c series modules are intended for 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 informatio...
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Ni 9225e operating instructions and specifications 22 ni.Com environmental management ni is committed to designing and manufacturing products in an environmentally responsible manner. Ni recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and t...
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© national instruments corp. 23 ni 9225e operating instructions and specifications calibration you can obtain the calibration certificate and information about calibration services for the ni 9225e at ni.Com/calibration . Calibration interval ........................... 1 year ⬉ᄤֵᙃѻક∵ᶧࠊㅵ⧚ࡲ⊩ ˄Ё roh...
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Ni 9225e operating instructions and specifications 24 ni.Com where to go for support the national instruments web site is your complete resource for technical support. At ni.Com/support you have access to everything from troubleshooting and application development self-help resources to email and ph...
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© 2008 national instruments corp. All rights reserved. 372618a-01 jul08 national instruments, ni, ni.Com, and labview are trademarks of national instruments corporation. Refer to the terms of use section on ni.Com/legal for more information about national instruments trademarks. Other product and co...