National Instruments NI-9238 Скачать руководство пользователя страница 12 | Manualshive

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Figure 1.

NI 9238 Cable Connections for EMC Compliance

NI 9238

Shield

AI0+

AI0–

F

err

ite

Shield

AI1+

AI1–

F

err

ite

Shield

AI2+

AI2–

F

err

ite

Signal

Source

Signal

Source

Signal

Source

Shield

AI3+

AI3–

F

err

ite

Signal

Source

Related Information

NI 9238 Connection Guidelines

on page 17

12

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ni.com

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NI 9238 Getting Started Guide

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Содержание NI-9238

Страница 1: ...GETTING STARTED GUIDE NI 9238 4 AI 500 mV 24 Bit 50 kS s ch Simultaneous...

Страница 2: ...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 NI 9238 only as described in this document Cauti...

Страница 3: ...only voltages that are within the following limits Channel to channel isolation Up to 2 000 m altitude Continuous 250 Vrms Measurement Category II Withstand 1 500 Vrms verified by a 5 s dielectric te...

Страница 4: ...ne 2 hazardous locations applications Channel to channel and channel to earth ground 60 VDC Measurement Category I Measurement Category I is for measurements performed on circuits not directly connect...

Страница 5: ...on circuits directly connected to the electrical distribution system This category refers to local level electrical distribution such as that provided by a standard wall outlet for example 115 V for...

Страница 6: ...tandards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Ensure that devices and circuits connected to the module are properly insulated from hum...

Страница 7: ...idelines may result in serious injury or death Caution Do not disconnect I O side wires or connectors unless power has been switched off or the area is known to be nonhazardous Caution Do not remove m...

Страница 8: ...s Locations Use in Europe and Internationally The NI 9238 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO Certificate No 12 ATEX 1202658X and is IECEx UL 14 0089X certified Each NI 9238 is...

Страница 9: ...uidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility EMC stated in the product specifications These requirements and limits prov...

Страница 10: ...rict accordance with the instructions in the product documentation Furthermore any changes or modifications to the product not expressly approved by National Instruments could void your authority to o...

Страница 11: ...the chassis ground grounding screw of the chassis Install an EMI Noise Suppression Ferrite part number 782802 01 on the input cable for each channel connected to the NI 9238 Position the ferrite as c...

Страница 12: ...I 9238 Shield AI0 AI0 Ferrite Shield AI1 AI1 Ferrite Shield AI2 AI2 Ferrite Signal Source Signal Source Signal Source Shield AI3 AI3 Ferrite Signal Source Related Information NI 9238 Connection Guidel...

Страница 13: ...icate 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 filter...

Страница 14: ...68 2 1 IEC 60068 2 2 40 C to 70 C Operating humidity IEC 60068 2 78 10 RH to 90 RH noncondensing Pollution Degree 2 Maximum altitude1 5 000 m Indoor use only Note Refer to the device datasheet on ni c...

Страница 15: ...NI 9238 Pinout AI0 AI0 AI1 AI1 AI2 AI2 AI3 AI3 0 1 0 1 0 1 0 1 NI 9238 Getting Started Guide National Instruments 15...

Страница 16: ...gnal connection AI Negative analog input signal connection Grounded Connections NI 9238 Signal Source AI AI Make sure the voltage on the AI and AI connections are in the channel to earth safety voltag...

Страница 17: ...to the NI 9238 are compatible with the module specifications You must use 2 wire ferrules to create a secure connection when connecting more than one wire to a single terminal on the NI 9238 Related I...

Страница 18: ...connections to the NI 9238 Use ferrules to terminate wires to the detachable connector Use the NI 9971 backshell kit Overvoltage Protection The NI 9238 provides overvoltage protection for each channe...

Страница 19: ...ompactRIO NI CompactDAQ RELATED INFORMATION NI 9238 Datasheet NI RIO Help LabVIEW FPGA Help NI 9238 Datasheet NI DAQmx Help LabVIEW Help C Series Documentation Resources ni com info cseriesdoc Service...

Страница 20: ...NI product Product registration facilitates technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Co...

Страница 21: ...tes create your service request at ni com support or dial 1 866 ASK MYNI 275 6964 For telephone support outside the United States visit the Worldwide Offices section of ni com niglobal to access the b...

Страница 22: ...arty legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the NI global trade compliance policy and how to obtain relev...

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