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National Instruments 776570-00 Getting Started

National Instruments 776570-00
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Chapter 3 Configuring Your SCXI Hardware and Software
© National Instruments Corporation 3-21 Getting Started with SCXI
5. Enable the half-bridge completion network, if necessary.
The SCXI-1121 includes a built-in half-bridge completion network
to use with half-bridge or quarter-bridge transducers. The network
includes two 4.5 k (±0.05%) resistors, connected in series, with a
temperature coefficient of 5 ppm/°C. You can enable the network on
an individual channel basis using two additional jumpers per
channelW1, W2, W17, W18,W27, W28, W39, and W40. When you
enable the completion network, you automatically remove access to
the negative input of the amplifier to preserve overvoltage protection.
See Table 3-15 for half-bridge completion network jumper
information, and refer to Figures 4-5, 4-6, and 4-7 for diagrams of
standard bridge configurations.
Table 3-14.
SCXI-1121 Maximum Load per Excitation Channel
Excitation Level Maximum Load
3.333 V 28 mA
10 V 14 mA
0.150 mA 10 k
0.450 mA 10 k

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National Instruments 776570-00 Specifications

General IconGeneral
BrandNational Instruments
Model776570-00
CategoryControl Unit
LanguageEnglish

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