Troubleshooting The Lcd Transducer Block; Table 25: Lcd Transducer Block - Honeywell SLG 700 Option Manual

Troubleshooting the LCD Transducer block

Problem Cause
LCD Transducer
block mode is in OOS
and does not change
to AUTO mode.
Writing to display
parameters fails.
Writing to some of
display parameter in
SCREEN_1,
SCREEN_2,
SCREEN_3
SCREEN_4
SCREEN_5,
SCREEN_6,
SCREEN_7, or
SCREEN_8 fails.
Local display shows
Attention as title with
some text.
Block alarms are not
reported.
Page 184
Table 28: LCD Transducer block
Things to check
Read
MODE_BLOCK.PERMITTED
Read MODE_BLOCK.
ACTUAL of Resource block.
Check for local display.
Check DISPLAY_TYPE.
Check the
DISPLAY_MESSAGE
parameters.
Read FEATURE_SEL.
Read LIM_NOTIFY
FOUNDATION Fieldbus Option User's Guide
Recommended Action
Add AUTO mode to
MODE_BLOCK.PERMITTED.
If necessary, Set
MODE_BLOCK.TARGET to
AUTO.
NOTE
If the mode is set to OOS for
maintenance, then do not change
the mode to AUTO.
An Advanced Display is required
for LCD_TB to work.
If display is available, remove
and reconnect the local display,
and check if display powers up.
If display is not powering up
contact Honeywell TAC.
These parameters are supported
only by the Advanced Display.
Transmitter messaging is
activated; to clear the message
executed the Clear Message
method. For more information
see section 3.8
Reports are not selected in
FEATURE_SEL. If features do
not include Reports then the host
must poll for alarms.
Set LIM_NOTIFY to a value
higher than zero, but not higher
than MAX_NOTIFY.
Rev. 3.0