User`s manual

ii Table of Contents
2.5 Connector Pin Assignment ................................................ 14
PCI-7230 Pin Assignment ............................................. 14
cPCI-7230 Pin Assignment ........................................... 16
LPCI-7230 Pin Assignment ........................................... 18
PCI-7233 Pin Assignment ............................................. 20
PCI-7234 Pin Assignment ............................................. 22
PCI-7234P Pin Assignment .......................................... 24
2.6 Termination Board Connection .......................................... 25
3 Registers Format .............................................................. 27
3.1 PCI PnP Registers ............................................................. 27
3.2 I/O Registers Format.......................................................... 28
3.3 Digital Input Register.......................................................... 29
3.4 Digital Output Register....................................................... 29
4 Operation Theorem........................................................... 31
4.1 Isolated Digital Input Circuits ............................................. 31
4.2 Isolated Digital Output Circuits........................................... 32
4.3 Change of State Detection................................................. 36
What is COS? ............................................................... 36
Structure of COS detection and Dual Interrupt System 36
COS Detection .............................................................. 38
Warranty Policy ..................................................................... 39