Lcd display examples – Rockwell Automation 2755 Enhanced Decoder Series B User Manual

Page 130

Advertising
background image

9–8

Configuration: AUX and LCD Display Parameters

Publication 2755-833

Select starting positions for other data that is greater than the length
of the host messages. This will allow host messages and other data to
display at the same time without overwriting each other.

LCD Display Examples

The section provides examples to illustrate how data is displayed on
the LCD Display and how the configuration parameters control the
format of the displayed data.

Example 1

In Example 1, the LCD Display is enabled to display bar code data,
decoder performance values, primary counter 1, primary counter 4,
and primary counter 8.

Enables LCD to display data.
Displays unformatted bar code data

Displays bar code data starting in position 1.
Displays decoder performance values at position 15.

Displays Primary Counter 4 at position 28.

Displays Primary Counter 8 at position 35.

Disables scrolling

Displays Primary Counter 1 at position 21.

When scrolling is not enabled, the display operates as a single line,
40 character display. Line 1 displays characters in positions 1 - 20.
Line 2 displays characters in positions 21 - 40. Any data you
configure to display beyond position 40 will be truncated.

The LCD display will look like this for the above configuration. Line
1 displays the bar code data and the decoder performance values.
Line 2 displays output counters 1, 4, and 8.

123456

98 96

001012 000237 000000

Bar Code Data

Performance Indicators

Primary Counter 1

(Match-Entry)

Primary Counter 4

(Read and No-Match)

Primary Counter 8

(No-Read)

1

21

40

20

Scanner A

Scanner B

Advertising