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Chapter 3
Theory of Operation
This chapter contains a functional overview of the SCXI-1163 module and explains the operation
of each functional unit making up the SCXI-1163.
Functional Overview
The block diagram in Figure 3-1 shows the key functional components of the SCXI-1163.
Port 0
•
•
•
Port 7
The major components of the SCXI-1163 are as follows:
•
The SCXIbus connector
•
The interface and routing circuitry
•
The register circuitry
•
The optically isolated output channels
SCXIbus Connector
Figure 3-2 shows the pinout of the SCXIbus connector.
© National Instruments Corporation
Power
Out 0
Out 1
Out 2
Out 3
Ground
•
•
•
Power
Out 28
Out 29
Out 30
Out 31
Ground
Figure 3-1. SCXI-1163 Block Diagram
Rear Signal
Connector
4
•
Interfacing
•
and
Controls
•
4
SCXIbus
3-1
Module ID
Register
Address
Handler
Data
Register
SCXI-1163 User Manual
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