Ascii instructions – Rockwell Automation 1789-L10_L30_L60 SoftLogix 5800 System User Manual User Manual

Page 92

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Rockwell Automation Publication 1789-UM002J-EN-P - December 2012

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

1756-PM001

.

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.

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