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777459-34

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777459-34 数据手册

Portable, Modular Signal Conditioning Modules

NI SCC-A10 Voltage Attenuator

Model

Channel

Description

Part Number

SCC-A10

Attenuator input

777459-0±

The National Instruments SCC-A10 is a dual-channel module that

accepts input voltage sources up to ±0 VDC. Each channel of the

NI SCC-A10 includes a 10:1 attenuation circuit and differential

instrumentation amplifier with low-impedance outputs for maximum

scanning rates by the multifunction DAQ device. The attenuation circuit

includes high-impedance bias resistors, so you can connect floating or

ground-referenced inputs to the SCC-A10 without adding external bias

resistors. The SCC-A10 also provides overvoltage protection (up to

250 V_rms) for your DAQ system.

When you install an SCC-A10 module in the SC-2345, the carrier

routes the attenuated input signals to two input channels of the DAQ

device, channels x and x+8, where x is 0 through 7.

Specifications

SCC-A10

Input Characteristics

Number of channels............................ 2 differential

Input range.......................................... ±±0 VDC

Output range ....................................... ±± VDC

Gain error ............................................ ±0.14ꢀ of reading, maximum

Offset error.......................................... ±±.5 mV maximum (referred

to input)

Input impedance

Normal powered on or off.............. 1 MΩ

Full power bandwidth......................... 10 kHz

Power Requirements

Analog................................................. 90 mW

BUY ONLINE at ni.com or CALL 800 813 3693 (U.S.)

1...8 9 101112 13 14...17

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