Access PCI-COM422/4 Manuale Utente

ACCES I/O PRODUCTS INC10623 Roselle Street, San Diego, CA 92121TEL (858)550-9559 FAX (858)550-7322MODEL PCI-COM422/4USER MANUALFILE: MPCICOM422-4.

PCI-COM422/4 ManualPage 1-4Manual MPCICOM422-4.E1b

Page 2-1Manual MPCICOM422-4.E1bChapter 2: Installation The software provided with this card is contained on either one CD or multiple diskettes and

PCI-COM422/4 ManualPage 2-2Manual MPCICOM422-4.E1bTo copy the files on the master diskette to your hard disk, perform the following steps.1. Place the

Page 2-3Manual MPCICOM422-4.E1bSAMPLESSamples for using ACCES32.DLL are provided in this directory. Using this DLL not only makesthe hardware program

PCI-COM422/4 ManualPage 2-4Manual MPCICOM422-4.E1bFindbase.exeDOS utility to determine an available base address for ISA bus , non-Plug-n-Play cards.

Page 2-5Manual MPCICOM422-4.E1bOptional model PCI-COM422/4S1 has connectors for two of the four ports and includes a secondmounting bracket which prov

PCI-COM422/4 ManualPage 2-6Manual MPCICOM422-4.E1b

Page 3-1Manual MPCICOM422-4.E1bFigure 3-1: Simplified Termination SchematicChapter 3: Option SelectionTo help you locate the jumpers described in thi

PCI-COM422/4 ManualPage 3-2Manual MPCICOM422-4.E1bInterruptsPlease note that, in Windows NT, changes must be made to the system registry to support IR

Page 3-3Manual MPCICOM422-4.E1bFigure 3-2: PCI-COM422/4 Option Selection Map

Page 4-1Manual MPCICOM422-4.E1bChapter 4: Address SelectionThe PCI-COM422/4 card uses four separate address spaces. COM A occupies 16 consecutive re

Page 5-1Manual MPCICOM422-4.E1bChapter 5: ProgrammingSample ProgramsThere are sample programs provided with the PCI-COM422/4 card in C, Pascal, Quick

PCI-COM422/4 ManualPage 5-2Manual MPCICOM422-4.E1bOn the PCI-COM422/4 card, the UART clock frequency is 1.8432 MHz. On the next page is a tablefor th

Page 5-3Manual MPCICOM422-4.E1bThe C command to set the UART for an 8-bit word, no parity, and one stop bit is:outportb(BASEADDR +3, 0x03)The final in

PCI-COM422/4 ManualPage 5-4Manual MPCICOM422-4.E1bTransmissionRS422 transmission is simple to implement. The AUTO feature of the PCI-COM422/4 card

Page 6-1Manual MPCICOM422-4.E1bChapter 6: Connector Pin AssignmentsThe popular 9-pin D subminiature connector is used for interfacing to communicatio

PCI-COM422/4 ManualPage 6-2Manual MPCICOM422-4.E1b

10623 Roselle Street, San Diego CA 92121Tel. (619)550-9559 FAX (619)550-7322www.accesioproducts.comCustomer CommentsIf you experience any problems w

Page iiiNoticeThe information in this document is provided for reference only. ACCES does not assume any liability arisingout of the application or u

Page ivWarrantyPrior to shipment, ACCES equipment is thoroughly inspected and tested to applicable specifications. However,should equipment failure o

Page vTable of ContentsChapter 1: Introduction ... 1-1RS422 Balanced Mode Operation ...

Page viList of FiguresFigure 1-1: PCI-COM422/4 Block Diagram ... Page 1-3Figure 3-1: Simplified Termination Schematic ..

Page 1-1Manual MPCICOM422-4.E1bChapter 1: IntroductionThe PCI-COM422/4 Serial Interface Card was designed for effective transmission in RS422 (EIA422

PCI-COM422/4 ManualPage 1-2Manual MPCICOM422-4.E1bBaud Rate RangesThe card has capability for two baud rate ranges and you can select which you wish t

Page 1-3Manual MPCICOM422-4.E1bFigure 1-1: PCI-COM422/4 Block Diagram(Only One Serial Channel Shown)