National Instruments NI 9219 Скачать руководство пользователя страница 19 | Manualshive

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4-Wire Resistance and 4-Wire RTD Connections

LO

HI

EX-

RTD/

Resistor

EX+

R

wire

R

wire

R

wire

R

wire

NI 9219

Related Information

4-Wire Resistance and 4-Wire RTD Pinout

NI 9219 Getting Started Guide

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© National Instruments

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Содержание NI 9219

Страница 1: ...GETTING STARTED GUIDE NI 9219 4 AI 100 S s ch Simultaneous Universal Measurements...

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 9219 only as described in this document Cauti...

Страница 3: ...fied personnel adhering to local electrical standards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Ensure that devices and circuits connected...

Страница 4: ...earth ground Continuous 250 VAC Measurement Category II Withstand 2 300 VAC verified by a 5 s dielectric withstand test Zone 2 hazardous locations applications in Europe Channel to channel and channel...

Страница 5: ...ct the NI 9219 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 inte...

Страница 6: ...tions only Follow these guidelines if you are installing the NI 9219 in a potentially explosive environment Not following these guidelines may result in serious injury or death Caution Do not disconne...

Страница 7: ...ne 2 hazardous locations in ambient temperatures of 40 C Ta 70 C If you are using the NI 9219 in Gas Group IIC hazardous locations you must use the device in an NI chassis that has been evaluated as E...

Страница 8: ...n against harmful interference when the product is operated in the intended operational electromagnetic environment This product is intended for use in industrial locations However harmful interferenc...

Страница 9: ...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 produ...

Страница 10: ...ications Operating temperature IEC 60068 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 altitude 2 000 m Indoor use only Note...

Страница 11: ...NI 9219 Pinout CH0 CH1 CH2 CH3 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 NI 9219 Getting Started Guide National Instruments 11...

Страница 12: ...ent T T HI LO 4 Wire Resistance T T EX HI EX LO 2 Wire Resistance T T HI LO Thermocouple T T HI LO 4 Wire RTD T T EX HI EX LO 3 Wire RTD T T EX EX LO Quarter Bridge T T HI LO Half Bridge T T EX HI EX...

Страница 13: ...e 2 Signal Descriptions Signal Description EX Positive sensor excitation connection EX Negative sensor excitation connection HI Positive input signal connection LO Negative input signal connection T T...

Страница 14: ...lowing measurement types Voltage Current 4 Wire Resistance 2 Wire Resistance Thermocouple 4 Wire RTD 3 Wire RTD Quarter Bridge Half Bridge Full Bridge Digital In1 Open Contact1 1 Only supported in Com...

Страница 15: ...Voltage Connections LO HI NI 9219 Related Information Voltage Pinout on page 30 NI 9219 Getting Started Guide National Instruments 15...

Страница 16: ...Current Connections LO HI NI 9219 Related Information Current Pinout on page 30 16 ni com NI 9219 Getting Started Guide...

Страница 17: ...rve the following guidelines to minimize thermal gradients and improve the system accuracy Use small gauge thermocouple wire Smaller wire transfers less heat to or from the terminal junction Avoid run...

Страница 18: ...on Allow the thermal gradients to settle after a change in system power or in ambient temperature A change in system power can happen when the system powers on the system comes out of sleep mode or yo...

Страница 19: ...ance and 4 Wire RTD Connections LO HI EX RTD Resistor EX Rwire Rwire Rwire Rwire NI 9219 Related Information 4 Wire Resistance and 4 Wire RTD Pinout on page 31 NI 9219 Getting Started Guide National I...

Страница 20: ...3 Wire RTD Connections RTD Rwire Rwire NI 9219 EX EX LO Rwire Related Information 3 Wire RTD Pinout on page 32 20 ni com NI 9219 Getting Started Guide...

Страница 21: ...Full Bridge Connections LO HI EX EX Rwire R1 R4 R2 R3 Rwire NI 9219 Related Information Full Bridge Pinout on page 32 NI 9219 Getting Started Guide National Instruments 21...

Страница 22: ...Half Bridge Connections HI EX EX Rwire R1 R2 Rwire NI 9219 Related Information Half Bridge Pinout on page 33 22 ni com NI 9219 Getting Started Guide...

Страница 23: ...upported in CompactRIO systems Tip Visit ni com info and enter the Info Code 9219cdaq for information about implementing the digital in measurement type in CompactDAQ systems Related Information Digit...

Страница 24: ...only supported in CompactRIO systems Tip Visit ni com info and enter the Info Code 9219cdaq for information about implementing the open contact measurement type in CompactDAQ systems Related Informat...

Страница 25: ...teds NI 9219 Connection Guidelines Make sure that devices you connect to the NI 9219 are compatible with the module specifications Use shielded cables and twisted pair wiring for the best signal quali...

Страница 26: ...oltage source Signal Source Shield NI 9219 HI LO You can connect floating signal sources to the NI 9219 Ensure that the voltages on the HI and LO connections are within the channel to earth working vo...

Страница 27: ...0 mm2 28 AWG to 18 AWG copper conductor wire with 7 mm 0 28 in of insulation stripped from the end Flathead screwdriver with a 2 3 mm x 1 0 mm 0 09 in x 0 04 in blade included with the NI 9219 What t...

Страница 28: ...to the open connector terminal 3 Remove the screwdriver from the activation slot to clamp the wire into place High Vibration Application Connections If your application is subject to high vibration NI...

Страница 29: ...in the event of a fault condition Whenever possible channels automatically recover after the fault is removed Note Refer to the device datasheet on ni com manuals for more information about excitation...

Страница 30: ...age Pinout 2 3 4 5 6 HI LO 1 Related Information Voltage Connections on page 15 Current Pinout 2 3 4 5 6 HI LO 1 Related Information Current Connections on page 16 30 ni com NI 9219 Getting Started Gu...

Страница 31: ...d Information Thermocouple Connections on page 17 4 Wire Resistance and 4 Wire RTD Pinout 2 3 4 5 6 EX HI EX LO 1 Related Information 4 Wire Resistance and 4 Wire RTD Connections on page 19 NI 9219 Ge...

Страница 32: ...ut 2 3 4 5 6 EX EX LO 1 Related Information 3 Wire RTD Connections on page 20 Full Bridge Pinout 2 3 4 5 6 EX HI EX LO 1 Related Information Full Bridge Connections on page 21 32 ni com NI 9219 Gettin...

Страница 33: ...2 3 4 5 6 EX HI EX 1 Related Information Half Bridge Connections on page 22 Digital In Pinout 2 3 4 5 6 HI LO 1 Related Information Digital In Connections on page 23 NI 9219 Getting Started Guide Nati...

Страница 34: ...Open Contact Pinout 2 3 4 5 6 HI LO 1 Related Information Open Contact Connections on page 24 34 ni com NI 9219 Getting Started Guide...

Страница 35: ...ATED INFORMATION C Series Documentation Resources ni com info cseriesdoc Services ni com services Installs with the software NI 9219 Datasheet NI RIO Help LabVIEW FPGA Help NI 9219 Datasheet NI DAQmx...

Страница 36: ...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 37: ...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 38: ...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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