Mts FlexTest Models 200 Manuel d'utilisateur Page 176

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MTS FlexTest® Models 40/60/100/200 Controller Hardware
Model 494.45 8-Input A/D Converter Card
Mezzanine Cards
176
Model 494.45 8-Input A/D Converter Card
About the Model 494.45 8-Input A/D Card
The Model 494.45 8-Input A/D Card is a mezzanine card that you can plug
into one of the slots on the Model 494.40 I/O Carrier board. Each A/D card
accepts up to eight analog input signals that must be within ± 12.5 V DC.
The A/D card also includes a software-configurable digital filter for each
input.
External analog signals include stand-alone function generators, external
controller outputs, or a computer-controlled analog output. Analog input
signals are typically routed to the A/D card through a Model 494.75 8-Input
BNC Transition Board. The transition board connects to the front-panel
connectors on the I/O carrier board that contains the A/D card.
Specifications–Model 494.45 8-Input A/D Card
PARAMETER SPECIFICATION
Inputs Eight (8) high-level, differential analog inputs,
± 12.5 V DC.
Input Impedance 50 KΩ
Anti Alias Filter 5 pole Butterworth
3 dB = 25 kHz
A/D Resolution 16 bits
Measurement
Accuracy
0.10% of reading + 0.0005 VDC
*
*. The A/D accuracy specification includes the effects of linearity and
resolution.
†. The A/D zero offset function is utilized prior to measurement.
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