Acess ICOM-2S Manual do Utilizador Página 1

10623 Roselle Street, San Diego, CA 92121 y (858) 550-9559 y Fax (858) 550-7322 [email protected] y www.accesio.com

To add a COM port, use START|CONTROL PANEL|PORTS applet and click ADD, then enter the correct UART address and Interrupt number. When the “Add New P

Click the “View or change resources for this hardware (Advanced)” link. Click the “Set Configuration Manually” button. Select “Basic Configuration 8

Select “IRQ” in the “Resource Settings” box and Click the “Change Settings” button. Enter the IRQ of the board and Click “OK”. Close the “Set Config

Chapter 3: Option SelectionThe following paragraphs describe the functions of the various jumpers on the board. A5 through A9 Place jumpers at locati

Terminations and Bias A transmission line should be terminated at the receiving end in its characteristic impedance. Installing a jumper at the locati

Communication Modes and Cabling Options Cable Mode Board A Board B Pins Pins Simplex 2-wire Receive Only Rx- 1 2 Rx+ 9 3 S

Chapter 4: Address Selection The board’s base address can be selected anywhere within the I/O bus address range 000-3E0 hex, providing that the addre

Board Address jumpers are marked A5-A9. The following table lists jumpers name vs. the address line controlled and the relative weights of each. Tab

Chapter 5: Programming A total of 32 consecutive address locations are allocated to the board, 17 of which are used. The UARTs are addressed as follo

Initialization Initializing the chip requires knowledge of the UART's register set. The first step is to set the baud rate divisor. You do this

Notice The information in this document is provided for reference only. ACCES does not assume any liability arising out of the appl

Bit 2 determines the number of stop bits. There can be either one or two stop bits. If Bit 2 is set to 0, there will be one stop bit. If Bit 2 is se

Transmission RS485 transmission is simple to implement. The AUTO feature automatically enables the transmitter when data is ready to send so no sof

Chapter 6: Connector Pin Assignments The popular 9-pin D subminiature connector (male) is used for interfacing to communication lines. The connecto

Customer Comments If you experience any problems with this manual or just want to give us some feedback, please email us at: [email protected]. Pl

Warranty Prior to shipment, ACCES equipment is thoroughly inspected and tested to applicable specifications. However, should equipment failure occur,

Table of Contents Chapter 1: Introduction... 5 F

Chapter 1: Introduction This serial communications board is designed for use in PC/104 compatible computers. Two isolated serial data ports are provid

+5VOPTO-ISOLATEDPC/104 BUS Figure 1-1: Block DiagramManual 104-ICOM-2S, 104-COM-2S 6

Specification Communications Interface • Serial Ports: Two shielded male D-sub 9-pin IBM AT style connectors compatible with RS422 and RS485 specifi

Chapter 2: Installation A printed Quick-Start Guide (QSG) is packed with the board for your convenience. If you’ve already performed the steps fro

Installing the Hardware Before installing the board, carefully read Chapter 3 and Chapter 4 of this manual and configure the board according to your r