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National Instruments FieldPoint cFP-AI-100, Руководство по эксплуатации

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National Instruments FieldPoint cFP-AI-100 Скачать руководство пользователя страница 6

© 

National Instruments Corp.

5

FP-AI-100 and cFP-AI-100

Figure 3.  

[c]FP-AI-100 Analog Input Circuit, One Channel

Measuring Voltage with the [c]FP-AI-100

The input ranges for voltage signals are 0–1 V, 0–5 V, 0–15 V, 
0–30 V, 

±

1 V, 

±

5 V, 

±

15 V, and 

±

30 V.

Figure 4 shows how to connect a voltage source without an 
external power supply to one channel of the [c]FP-AI-100.

Figure 4.  

Voltage Source without External Power Supply

V

in

V

SUP

COM

I

in

V

C

12-Bit

Isolated ADC

Filter

Filter

V

sup

V

in

V

C

To Analog

Input Circuitry

To Next

Channel

1.5 M

Ω

Input
Impedance

COM

[c]FP-AI-100

Voltage

Source

+

–

Содержание FieldPoint cFP-AI-100

Страница 1: ...al Instruments FP AI 100 Manual Get Pricing Availability at ApexWaves com Call Today 1 800 915 6216 Email sales apexwaves com https www apexwaves com modular systems national instruments fieldpoint FP AI 100 ...

Страница 2: ... The c FP AI 100 is a FieldPoint analog input module with the following features Eight analog voltage or current input channels 11 input ranges 0 1 V 0 5 V 0 15 V 0 30 V 1 V 5 V 15 V 30 V 0 20 mA 4 20 mA and 20 mA 12 bit resolution 250 Vrms CAT II continuous channel to ground isolation verified by 2 300 Vrms 1 minute dielectric withstand test 40 to 70 C operation Hot swappable Installing the FP AI...

Страница 3: ...place Figure 1 Installing the FP AI 100 Installing the cFP AI 100 The cFP AI 100 mounts on a Compact FieldPoint backplane cFP BP x which provides operating power to the module Installing the cFP AI 100 onto a powered backplane does not disrupt the operation of the FieldPoint bank To install the cFP AI 100 refer to Figure 2 and complete the following steps 1 Align the captive screws on the cFP AI 1...

Страница 4: ...g the c FP AI 100 The FP TB x terminal base has connections for each of the eight input channels and for an optional external supply to power field devices The cFP CB x connector block provides the same connections Table 1 lists the terminal assignments for the signals associated with each channel The terminal assignments are the same for the FP TB x terminal bases and the cFP CB x connector block...

Страница 5: ...s to the same channel Caution Cascading power between two modules defeats isolation between those modules Cascading power from the network module defeats all isolation between modules in the FieldPoint bank Taking Measurements with the c FP AI 100 The c FP AI 100 has eight single ended input channels All eight channels share a common ground reference that is isolated from other modules in the Fiel...

Страница 6: ... are 0 1 V 0 5 V 0 15 V 0 30 V 1 V 5 V 15 V and 30 V Figure 4 shows how to connect a voltage source without an external power supply to one channel of the c FP AI 100 Figure 4 Voltage Source without External Power Supply Vin VSUP COM Iin V C 12 Bit Isolated ADC Filter Filter Vsup Vin V C To Analog Input Circuitry To Next Channel 1 5 MΩ Input Impedance COM c FP AI 100 Voltage Source ...

Страница 7: ...0 The input ranges for current sources are 0 20 4 20 and 20 mA The module reads current flowing into the Iin terminal as positive and current flowing out of the terminal as negative Current flows into the Iin terminal goes through a 100 Ω resistor and flows out from the COM or C terminal Vsup Vin V C To Analog Input Circuitry To Next Channel 1 5 MΩ Input Impedance COM c FP AI 100 Powered Voltage T...

Страница 8: ...ternal Power Supply Figure 7 shows how to connect a current source with an external power supply to one channel of the c FP AI 100 Figure 7 Current Source with External Power Supply Vsup Iin V C To Analog Input Circuitry To Next Channel 100 Ω COM c FP AI 100 Current Source Vsup Iin V C To Analog Input Circuitry To Next Channel 100 Ω COM c FP AI 100 Loop Powered Current Transducer External Power Su...

Страница 9: ...re a noisy signal near full scale does not create rectification errors Status Indicators The c FP AI 100 has two green status LEDs POWER and READY After you insert the c FP AI 100 into a terminal base or backplane and apply power to the connected network module the green POWER indicator lights and the c FP AI 100 informs the network module of its presence When the network module recognizes the c F...

Страница 10: ...IN rails or monitoring stations and circuits that can be at hazardous potentials under normal conditions unless the product is specifically designed for such an application as is the c FP AI 100 Even though the c FP AI 100 is designed to handle applications with hazardous potentials follow these guidelines to ensure a safe total system There is no isolation between channels on the c FP AI 100 If a...

Страница 11: ...only nonconductive pollution occurs in most cases Occasionally however a temporary conductivity caused by condensation must be expected Do not operate FieldPoint products in an explosive atmosphere or where there may be flammable gases or fumes If you need to operate FieldPoint products in such an environment the FieldPoint products must be in a suitably rated enclosure Operate the c FP AI 100 at ...

Страница 12: ...Offset Error at 40 to 70 C 0 1 V 0 5 V 0 15 V 0 30 V 1 V 5 V 15 V 30 V 2 9 mV 6 5 mV 13 mV 17 5 mV 3 6 mV 9 5 mV 21 8 mV 35 1 mV 9 3 mV 17 2 mV 30 mV 33 3 mV 10 3 mV 23 mV 44 7 mV 62 5 mV Voltage Input Range With Overranging Typical Gain Error at 15 to 35 C of Reading Maximum Gain Error at 40 to 70 C of Reading 0 1 V 0 5 V 0 15 V 0 30 V 1 V 5 V 15 V 30 V 0 1 2 V 0 6 V 0 18 V 0 36 V 1 2 V 6 V 18 V ...

Страница 13: ...icators one red Out of Range indicator Weight FP AI 100 145 g 5 1 oz cFP AI 100 115 g 4 0 oz Power Requirement Power from network module 400 mW Current Input Range Typical Offset Error at 15 to 35 C Maximum Offset Error at 40 to 70 C 0 20 mA 4 20 mA 20 mA 12 µΑ 12 µΑ 23 µΑ 20 µΑ 20 µΑ 40 µΑ Current Input Range With Overranging Typical Gain Error at 15 to 35 C of Reading Maximum Gain Error at 40 to...

Страница 14: ... C Storage temperature 55 to 85 C Humidity 10 to 90 RH noncondensing Maximum altitude 2 000 m at higher altitudes the isolation voltage ratings must be lowered Pollution Degree 2 Shock and Vibration These specifications apply only to the cFP AI 100 NI recommends Compact FieldPoint if your application is subject to shock and vibration Operating vibration random IEC 60068 2 64 10 500 Hz 5 grms Opera...

Страница 15: ...issions EN 55011 Class A at 10 m FCC Part 15A above 1 GHz Immunity EN 61326 1997 A2 2001 Table 1 CE C Tick and FCC Part 15 Class A Compliant Note For EMC compliance operate this device with shielded cabling CE Compliance This product meets the essential requirements of applicable European Directives as amended for CE marking as follows Low Voltage Directive safety 73 23 EEC Electromagnetic Compati...

Страница 16: ...ons of the FP AI 100 installed on a terminal base If you are using the cFP AI 100 refer to the Compact FieldPoint controller user manual for the dimensions and cabling clearance requirements of the Compact FieldPoint system Figure 8 FP AI 100 Mechanical Dimensions 109 5 mm 4 31 in 91 44 mm 3 60 in 107 19 mm 4 22 in ...

Страница 17: ... the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For telephone support outside the United States contact your local branch office Australia 1800 300 800 Austria 43 0 662 45 79 90 0 Belgium 32 0 2 757 00 20 Brazil 55 11 3262 3599 Canada Calgary 403 274 9391 ...

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