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Rockwell Automation Publication 1789-UM002K-EN-P - January 2015
Chapter 4
Communicate with Serial Devices
The Controller Properties dialog box appears
2.
Click the User Protocol tab.
ASCII Instructions
The controller supports ASCII instructions to communicate with ASCII
devices. Your Logix Designer application CDROM includes programming
examples by using ASCII instructions.
For information about using these examples, see the Logix5000 Controllers
Common Procedures Programming Manual, publication
Table 6 - Default Serial Port Configuration Settings
Field
Description
Read/Write Buffer Size
Specify the maximum size (in bytes) of the data array you plan to send and receive. The default is 82 bytes.
Termination Character 1 & 2
In the Termination Character 1 and Termination Character 2 fields, enter the character you wish to use to designate the end of a line.
Append Character 1 & 2
In the Append Character 1 and Append Character 2 fields, enter the character you wish to append to the end of a line.
XON/XOFF
Choose whether to regulate the flow of incoming data. The default is disabled.
Echo Mode
Choose whether to echo data back to the device from which it was sent. The default is disabled.
Delete Mode
Choose Ignore, CTR, or Printer for the Delete mode. The default is Ignore.
