ADLINK cPCI-7252 User Manual

Page 6

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Table of Contents

cPCI-7252 Pin Assignment ........................................... 17
LPCI-7250 CN1 Pin Assignment .................................. 18

2.7

PCI-7250 and PCI-7251 Connection ................................. 19

3 Registers............................................................................ 21

3.1

PCI PnP Registers ............................................................. 21

3.2

I/O Address Map ................................................................ 22

3.3

Relay Output and Readback Registers.............................. 22

3.4

Isolation Input Registers .................................................... 23

4 Operation Theory .............................................................. 25

4.1

Using Relay Output............................................................ 25

4.2

Using Isolated Input ........................................................... 27

5 C/C++ Libraries ................................................................. 29

5.1

Libraries Installation ........................................................... 29

5.2

Programming Guide........................................................... 29

Naming Convention ...................................................... 29
Data Types ................................................................... 30

5.3

Running Testing Utility (7250UTIL.EXE)............................ 30

5.4

725X Initialization............................................................... 32

@ Description ............................................................... 32
@ Syntax ...................................................................... 32
@ Arguments ................................................................ 32
@ Return Code ............................................................. 33

5.5

_7250_DI, _7252_DI.......................................................... 34

@ Description ............................................................... 34
@ Syntax ...................................................................... 34
@ Arguments ................................................................ 34
@ Return Code ............................................................. 35

5.6

_7250_DO, _7252_DO ...................................................... 36

@ Description ............................................................... 36
@ Syntax ...................................................................... 36
@ Arguments ................................................................ 36
@ Return Code ............................................................. 37

5.7

_7250_DO_Read_Back, _7252_DO_ReadRelay.............. 37

@ Description ............................................................... 37
@ Syntax ...................................................................... 37
@ Arguments ................................................................ 37
@ Return Code ............................................................. 38

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