Manual

Contents
INTRODUCTION...........................................................................................................................1
OVERVIEW .................................................................................................................................................1
WHAT’S INCLUDED .................................................................................................................................... 1
FACTORY DEFAULT SETTINGS ...................................................................................................................1
CARD SETUP ...............................................................................................................................2
PORT ENABLE DISABLE..............................................................................................................................2
ADDRESS SELECTION .................................................................................................................................2
TRANSMIT CLOCK HEADER E5...................................................................................................................3
RS-485 MODE ENABLE HEADER E4 ..........................................................................................................3
ELECTRICAL INTERFACE SELECTION HEADERS E8 &E9 ............................................................................3
DMA CHANNEL SELECTION HEADERS E2 & E3........................................................................................4
DMA JUMPER OPTION TABLES.................................................................................................................. 5
No DMA.................................................................................................................................................5
Single Channel DMA (Half Duplex Only)............................................................................................. 5
Full Duplex............................................................................................................................................. 5
DMA ENABLE HEADER E1........................................................................................................................5
IRQ SELECTION HEADER E7...................................................................................................................... 6
IRQ MODE HEADER E6 .............................................................................................................................6
INSTALLATION............................................................................................................................7
CABLING OPTIONS .....................................................................................................................................7
SOFTWARE INSTALLATION ......................................................................................................................... 7
Windows Users ......................................................................................................................................7
TECHNICAL DESCRIPTION..........................................................................................................8
FEATURES ..................................................................................................................................................8
Internal Baud Rate Generator................................................................................................................. 8
PROGRAMMING THE ACB-104...................................................................................................................8
Control/Status Port .................................................................................................................................8
Software Examples................................................................................................................................. 8
DMA TERMINAL COUNT ...........................................................................................................................9
CONNECTOR P3 PIN ASSIGNMENTS............................................................................................................ 9
RS-232 Signals (At the DB-25)..............................................................................................................9
RS-530/422/485 Pin Assignments (At the DB-25) ..............................................................................10
RS-530/422/485 Line Termination.......................................................................................................10
S
PECIFICATIONS .......................................................................................................................11
ENVIRONMENTAL SPECIFICATIONS .......................................................................................................... 11
POWER CONSUMPTION............................................................................................................................. 11
MEAN TIME BETWEEN FAILURES (MTBF)............................................................................................... 11
PHYSICAL DIMENSIONS............................................................................................................................11
A
PPENDIX A - TROUBLESHOOTING .........................................................................................12
A
PPENDIX B - HOW TO GET ASSISTANCE...............................................................................13