Omega Engineering OMG-PCI-DIO48 - Manual (Page 3)

Contents
INTRODUCTION.......................................................................................................... 1
O VERVIEW ........................................................................................................................1
W HAT ’ S I NCLUDED ........................................................................................................1
INSTALLATION........................................................................................................... 1
C ARD S ETUP ....................................................................................................................1
S OFTWARE I NSTALLATION ..........................................................................................1
Linux Users............................................................................................................ 1
S YSTEM I NSTALLATION ................................................................................................2
TECHNICAL DESCRIPTION..................................................................................... 3
S OFTWARE .......................................................................................................................3
L INUX U SERS ....................................................................................................................3
3 rd Party Software Support ................................................................................. 4
E LECTRICAL C HARACTERISTICS ..................................................................................5
Pull Ups.................................................................................................................. 6
50 P IN R IBBON P IN O UT ................................................................................................7
A PPLICATION P ROGRAMMERS I NTERFACE (API) ....................................................8
Presetting an Output Port:................................................................................. 8
Interrupts:.............................................................................................................. 8
P ORT C..............................................................................................................................8
Port Configuration:............................................................................................. 9
Relative Addressing vs. Absolute Addressing ................................................. 9
A BSOLUTE A DDRESS ....................................................................................................12
D IRECT H ARDWARE C ONTROL ..................................................................................14
Reading the Inputs:............................................................................................14
Reading the Outputs:.........................................................................................14
Presetting an Output Port:...............................................................................14
Writing the Outputs: ..........................................................................................14
Bit Set/Reset ........................................................................................................14
Port Configuration:...........................................................................................14
Interrupts .............................................................................................................15
Port C ...................................................................................................................16
Register Description (for direct hardware control) ....................................16
SPECIFICATIONS......................................................................................................22
E NVIRONMENTAL S PECIFICATIONS ..........................................................................22
P OWER C ONSUMPTION ................................................................................................22
M EAN T IME B ETWEEN F AILURES (MTBF) .............................................................22
P HYSICAL D IMENSIONS ................................................................................................22