Changing Display Contents In Accordance With Pc Bit Status - Omron NT31C Reference Manual

Examples of Actual Applications of Direct Access
Example:
1, 2, 3...

Changing Display Contents in Accordance with PC Bit Status

Example:
396
Displaying the corrective action (help information) when the alarm message
TEMPERATURE ABNORMAL is pressed.
TEMPERATURE
ABNORMAL
Alarm list
1. Set TEMPERATURE ABNORMAL as the initial value for any character
string memory table.
2. Create library data, registering for it a fixed display text element in which the
corrective action for the temperature alarm (for example Inspect ...) is writ-
ten.
3. Make the following settings for any bit memory table.
• PC Address:
PC bit number to be monitored
• Function:
Alarm
• String table entry:
Number of the character string memory table for which settings were
made in (1)
• Image/library code:
Check mark set, code of the library data created in (2)
4. Register an alarm list, set as indicated below, for any screen.
• Color setting, Background, ON:
Red
• Display ImageLib:
Check mark set
• List Settings:
Set the Start Bit Table Number and No. of Bits Referenced so as to include
the bit memory table set in (3) above.
Changing the status of a graphic depicting the opening and closing of a valve in
accordance with the status of one PC bit.
PT
PT
OFF state
ON/OFF
ON state
Section 5-1
Library data
Inspect ...
!
TEMPERATURE
ABNORMAL
PC
Bit
0
OFF
1 ON