Rockwell-automation 1784-KTCS ControlNET Scanner Installation Instruct Manual de usuario descargar pdf (Pagina 9)

ControlNet Scanner Card 9

Publication

1784-5.35 – April 1999

Selecting the Base I/O Space Address Location

The

host addresses I/O devices on the card by using their I/O space addresses.

The host addresses individual devices through registers that have addresses

based on the I/O space base address. The registers are 2 bytes (1 word) long.

The card comes set to base I/O space address 220. Y

ou may find that this

selected address has been allocated to other interface cards or expansion memory

cards you have installed in your computer system. If this occurs, change the

switch settings to an open address.

Important: When selecting configuration settings, check for conflicts with

other interface cards and system memory. If there is a conflict, the

system will not operate properly.

o select a new base I/O space address:

1. Pick an available address from the I/O map area of the host computer’s

memory.

Be sure to choose a block that is 2 bytes long.

Important: Each card requires 2 bytes of I/O space.

Use W

orksheet D to select a new base I/O space address for the card

(i.e., to determine the switch settings for the new address).

Follow this guide to properly set your switches:

up (1)

down (0)

1234

MSBLSB

Front View

up (1)

down (0)

Side ViewFront View

3. Fill in Worksheet E after you have determined your switch settings.

4. Follow the instructions that begin on page 11.

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Rockwell-automation 1784-KTCS ControlNET Scanner Installation Instruct Manual de usuario Pagina 9