Ascii input – Rockwell Automation 2707-NP DTAM Programming Software User Manual

Page 79

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Chapter 8

Creating Data Entry Screens

8–11

ASCII Input

The screen for ASCII input through the printer port (only on some versions)
is shown below.

Note: Refer to Chapter 18 for additional information on using ASCII bar
code input.

SLC or PLC

depending upon protocol.

Format Selection

Description

Register Number

The controller data address to be written.

Character Count

The number of characters (1 to 32) that are expected for each entry.
The DTAM sends the data to the controller after receiving the
specified character count.

Enter/CR Enabled (Y or N)

Determines when the ASCII data is sent to the controller.

If Y is selected, data is sent to the controller when one of the
following occurs.:

1. The DTAM receives the the number of characters specified in

the character count

2. Operator presses the Enter key.

3. A carriage return character (ASCII 13) character is received.

If N is selected, data is sent to the controller when the DTAM
receives the number of characters specified in the character count.

Send Scanner ID (Y or N)

Specifies whether or not the scanner ID is included as part of the
message sent to the controller. The scanner ID is a 2 character
ASCII designation that identifies the ASCII string from each scanner.

Keypad Entry (Y or N)

Enables or disables the ability of the operator to enter data using the
DTAM keypad.

XON/XOFF Handshake

(Y or N)

Enables or disables XON/XOFF flow control between the bar code
scanner and the DTAM.

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