Table of Contents
Advertisement
Reference Manual
00809-0400-4728, Rev CA
Self test procedure for the LCD display
The SELF_TEST parameter in the Resource block will test LCD display segments. When running, the
segments of the display should light up for about five seconds.
If your host system supports methods refer to your host documentation on how to run the "Self Test"
method. If your host system does not support methods, then you can run this test manually be following
the steps below.
1. Put Resource block into "OOS" (Out of Service).
2. Go to the parameter called "SELF_TEST" and write the value Self test (0x2).
3. Observe the LCD display screen when you are doing this. All of the segments should light up.
4. Put the Resource block back into "AUTO."
Table 2-11. LCD Transducer Block BLOCK_ERR messages
Condition name and description
Other
Out of Service: The actual mode is out of service.
Symptom
The LCD displays "DSPLY#INVLID." Read the
BLOCK_ERR and if it says "BLOCK
CONFIGURATION" perform the
Recommended Action
The AI.OUT readings do not match.
"644" is being displayed or not all of the values
are being displayed.
The display reads OOS.
The display is hard to read.
Configuration
Possible causes
One or more of the display parameters
are not configured properly.
The OUT_SCALE of the AI block is not
configured properly.
The LCD block parameter
"DISPLAY_PARAMETER_SELECT is not
properly configured.
The resource and or the LCD Transducer
block are OOS.
Some of the LCD segments may have
gone bad.
Device is out o the temperature limit for
the LCD display. (–20 to 80 °C)
Configuration
September 2018
Recommended action
See
"LCD transducer block" on
page
18.
See
"Analog input function block" on
page
24.
See
"LCD transducer block (index
number 1200)" on page
9.
Verify that both blocks are in "AUTO."
See XXXX (Self Test). If some of the
segment is bad, replace the LCD
display.
Check ambient temperature of the
device.
27
Advertisement
Table of Contents
