Omron NT31 Operation Manuals page 617

Examples of Actual Applications of Direct Access
Changing Display Contents in Accordance with PC Bit Status
Example:
606
(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 in-
clude 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.
NT31/NT31C PC
OFF state
Bit
0
ON/OFF
1
ON state
Section 10-1
OFF
ON