National Instruments NI 9237 Getting Started Manual Download Page 9

Furthermore, any changes or modifications to the product not
expressly approved by National Instruments could void your
authority to operate it under your local regulatory rules.

Special Conditions for Marine Applications

Some products are Lloyd’s Register (LR) Type Approved for
marine (shipboard) applications. To verify Lloyd’s Register
certification for a product, visit 

ni.com/certification

 and search

for the LR certificate, or look for the Lloyd’s Register mark on
the product.

Caution

 

In order to meet the EMC requirements for

marine applications, install the product in a shielded
enclosure with shielded and/or filtered power and
input/output ports. In addition, take precautions when
designing, selecting, and installing measurement probes
and cables to ensure that the desired EMC performance
is attained.

8

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ni.com

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NI 9237 Getting Started Guide

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Summary of Contents for NI 9237

Page 1: ...derutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In s...

Page 2: ...GETTING STARTED GUIDE NI 9237 4 AI 25 mV V 24 Bit 50 kS s ch Simultaneous Bridge Completion hnology Group Quality Instrumentation Guaranteed 888 88 SOURCE www...

Page 3: ...he system might not meet the same safety ratings Refer to the documentation for each component in the system to determine the safety and EMC ratings for the entire system Safety Guidelines Operate the...

Page 4: ...one Isolation channel to earth ground Up to 3 000 m Continuous 60 VDC Measurement Category I Withstand 1 000 Vrms verified by a 5 s dielectric withstand test Up to 5 000 m Continuous 60 VDC Measuremen...

Page 5: ...ect the NI 9237 to signals or use for measurements within Measurement Categories II III or IV Note Measurement Categories CAT I and CAT O are equivalent These test and measurement circuits are not int...

Page 6: ...rea is known to be nonhazardous Caution Substitution of components may impair suitability for Class I Division 2 Caution For Division 2 and Zone 2 applications install the system in an enclosure rated...

Page 7: ...s you must use the device in an NI chassis that has been evaluated as Ex nC IIC T4 Ex IIC T4 Ex nA IIC T4 or Ex nL IIC T4 equipment Caution You must make sure that transient disturbances do not exceed...

Page 8: ...perational electromagnetic environment This product is intended for use in industrial locations However harmful interference may occur in some installations when the product is connected to a peripher...

Page 9: ...roduct visit ni com certification and search for the LR certificate or look for the Lloyd s Register mark on the product Caution In order to meet the EMC requirements for marine applications install t...

Page 10: ...8 10 RH to 90 RH noncondensing Pollution Degree 2 Maximum altitude 5 000 m Indoor use only Note Refer to the device datasheet on ni com manuals for complete specifications Connecting the NI 9237 The N...

Page 11: ...31 32 33 34 35 36 37 RS0 EX0 AI0 SC0 RS1 EX1 AI1 SC1 T Vex RS2 EX2 AI2 SC2 RS3 EX3 AI3 SC3 T RS0 SC0 EX0 AI0 T0 RS1 SC1 EX1 AI1 T1 T Vex RS2 SC2 EX2 AI2 T2 RS3 SC3 EX3 AI3 T3 Caution Do not use RJ 45...

Page 12: ...n AI Negative analog input signal connection RS Positive remote sensing connection RS Negative remote sensing connection EX Positive sensor excitation connection EX Negative sensor excitation connecti...

Page 13: ...9237 with DSUB You also can connect floating signals to the NI 9237 If you connect floating signals to the NI 9237 NI recommends connecting the EX signal to the earth ground or shield for better noise...

Page 14: ...ion Bridge Calibration When you insert or remove a new sensor from the NI 9237 slight changes in the excitation voltages can cause a mismatch between the internal half bridge completion resistors and...

Page 15: ...adding a resistor externally to create a half bridge Figure 4 Connecting a Quarter Bridge to the NI 9237 EX EX SC RS RS SC AI AI NI 9237 with DSUB Rexternal EX EX SC SC RS RS AI AI NI 9237 with RJ50 R...

Page 16: ...al is tied in common to any AI signals on the NI 9237 The NI 9237 connects all the T signals together internally The NI 9237 with DSUB has only three T pins To connect four TEDS sensors to the NI 9237...

Page 17: ...ATED INFORMATION C Series Documentation Resources ni com info cseriesdoc Services ni com services NI 9237 Datasheet NI RIO Help LabVIEW FPGA Help NI 9237 Datasheet NI DAQmx Help LabVIEW Help 16 ni com...

Page 18: ...tes technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council of the European Communities using t...

Page 19: ...priate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents You can find information about end user license agreements...

Page 20: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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