National Instruments sbRIO-9218 Скачать руководство пользователя страница 11 | Manualshive

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National Instruments sbRIO-9218 Скачать руководство пользователя страница 11

• Half-Bridge, requires the NI-9986
• Quarter-Bridge, requires the NI-9984 (120 Ω) or NI-9985 (350 Ω)

±16 V Connections

EX+

VEX+

VEX-

V

SUP+

V

SUP

-

sbRIO-9218

+

-

AI+

AI

-

/EX

-

The sbRIO-9218 provides optional 12 V sensor excitation. To use the 12 V excitation,

connect a 9 V DC to 30 V DC power supply to Vsup, connect the excitation terminals on

your sensor to EX+/EX-, and enable 12 V excitation in your software.

sbRIO-9218 Getting Started Guide

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© National Instruments Corporation

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Содержание sbRIO-9218

Страница 1: ...Environmental and Regulatory Information document on ni com manuals and complete the software and hardware installation procedures in your chassis documentation Note The guidelines in this document ar...

Страница 2: ...sbRIO 9218 Pinout V V 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 2 ni com sbRIO 9218 Getting Started Guide...

Страница 3: ...3 T Table 2 Signal Descriptions Signal Description AI Positive analog input signal connection AI Negative analog input signal connection EX Positive sensor excitation connection EX Negative sensor exc...

Страница 4: ...Continued Signal Description RS Positive remote sensing connection RS Negative remote sensing connection SC Shunt calibration connection T TEDS data connection T TEDS return connection 4 ni com sbRIO...

Страница 5: ...Externally Supplied Voltage Legend Data Two 24 bit analog to digital converters ADCs simultaneously sample both AI channels The sbRIO 9218 provides channel to channel isolation The sbRIO 9218 reconfi...

Страница 6: ...mV Signal Conditioning AI AI ADC Amplifier Overvoltage Protection Prefilter sbRIO 9218 Input signals on each channel are buffered conditioned and then sampled by an ADC 6 ni com sbRIO 9218 Getting St...

Страница 7: ...e excitation connections provide differential bridge excitation voltage Remote sensing continuously and automatically corrects for lead wire induced excitation voltage loss when using the RS connectio...

Страница 8: ...lated ground Each channel is configured for AC coupling with an IEPE current Each channel provides a TEDS Class 1 interface 20 mA Signal Conditioning AI DSUB AI ADC Amplifier Overvoltage Protection Cu...

Страница 9: ...Signal Conditioning Reference Input sbRIO 9218 ADC DSUB AI EX RS EX RS SC SC The NI 9886 provides half bridge completion resistors for the incoming analog signal You must connect AI EX and EX RS and...

Страница 10: ...9218 provides built in support for the following measurement types 16 V 65 mV Full Bridge IEPE Tip NI recommends using the NI 9982 screw terminal adapter when using built in measurement types on the s...

Страница 11: ...UP sbRIO 9218 AI AI EX The sbRIO 9218 provides optional 12 V sensor excitation To use the 12 V excitation connect a 9 V DC to 30 V DC power supply to Vsup connect the excitation terminals on your sens...

Страница 12: ...he sbRIO 9218 The sbRIO 9218 provides optional 12 V sensor excitation To use the 12 V excitation connect a 9 V DC to 30 V DC power supply to Vsup connect the excitation terminals on your sensor to EX...

Страница 13: ...tion to loads 350 The sbRIO 9218 provides optional connections for remote sensing RS and shunt calibration SC Remote sensing corrects for errors in excitation leads and shunt calibration corrects for...

Страница 14: ...ides an excitation current for each channel that powers IEPE sensors AI provides DC excitation and AI provides the excitation return path 20 mA Connections EX VEX VEX VSUP VSUP sbRIO 9218 NI 9983 AI A...

Страница 15: ...xcitation connect a 9 V DC to 30 V DC power supply to Vsup connect the excitation terminals on your sensor to EX EX and enable 12 V excitation in your software 60 V Connections sbRIO 9218 NI 9987 AI A...

Страница 16: ...half bridges of 240 total or 3 3 V excitation to half bridges of 700 total The sbRIO 9218 provides optional connections for remote sensing RS and shunt calibration SC Remote sensing corrects for error...

Страница 17: ...quires the NI 9985 Tip NI recommends 2 V excitation when using a NI 9984 with 120 quarter bridges and 3 3 V excitation when using the NI 9985 with 350 quarter bridges TEDS Connections TEDS Enabled Sen...

Страница 18: ...guidelines when using the NI 9988 solder cup connector adapter to create custom cables Use a shielded cable for all signals Connect the cable shield to earth ground Use twisted pair wiring for the AI...

Страница 19: ...ousing cover to access the screw terminals Measurement Adapter Grounding The ground terminals on a measurement adapter are connected to chassis ground when the measurement adapter is connected to the...

Страница 20: ...sbRIO 9218 measurement adapters NI 9982F 16 V Connection Pinout 4 5 1 2 3a 3b 6 7 8 9 EX AI EX AI Pins 3a and 3b are tied together NI 9982F 65 mV Connection Pinout 4 5 1 2 3a 3b 6 7 8 9 EX EX AI AI P...

Страница 21: ...5 1 2 3a 3b 6 7 8 9 EX EX RS RS SC AI AI SC Pins 3a and 3b are tied together NI 9982F IEPE Connection Pinout 4 5 1 2 3a 3b 6 7 8 9 AI AI Pins 3a and 3b are tied together sbRIO 9218 Getting Started Gu...

Страница 22: ...NI 9983F Pinout 4 5 1 2 3a 3b 6 7 8 9 EX EX AI AI Pins 3a and 3b are tied together NI 9984F 9985F Pinout 4 5 1 2 3a 3b 6 7 8 9 EXC RC AI 22 ni com sbRIO 9218 Getting Started Guide...

Страница 23: ...ion downloads and troubleshooting and application development self help such as tutorials and examples Visit ni com services to learn about NI service offerings such as calibration options repair and...

Страница 24: ...rmation about end user license agreements EULAs and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for th...

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