Rockwell Automation 1769-ASCII Compact I/O ASCII Module - Manual (Page 34)

34 Rockwell Automation Publication 1769-UM012B-EN-P - January 2014
Chapter 2 Configure the 1769-ASCII Module
Connect to Channel 0 of the
Module in Alternating Mode This example program illustrates connecting the serial cable from your computer
to channel 0 of the 1769-ASCII module in alternating mode.
For more detailed information about the Alternate and Simultaneous modes, see
I/O Memory Mapping on page 71 .
To access the Logix Designer programs, see the Knowledgebase Technote #
64203 at
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/
64203 .
TIP See Connect the D-sub Connector Pins on page 18 for detailed information on
how to build the appropriate cable for the RS-232 connection between PC with
a serial port and the 1769-ASCII module D-sub connector.
TIP If your computer does not have an RS-232 port, you can use a USB to RS-232
adapter.