Omron NT31 Series, Инструкции по эксплуатации

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605
Examples of Actual Applications of Direct Access
Section 10-1
(2) Make the following settings for any bit memory table.
- PC Address:
PC bit number to be monitored
- Function:
Alarm
- History:
Check mark set
- Switch screen:
Check mark set
- Screen No.:
Number of the screen that displays the alarm history (refer to (4))
- String table entry:
Number of the character string memory table for which settings were made
in (1).
(3) Register an alarm list, set as indicated below, for any screen.
- “Color” setting, “Background”, “ON”:
Red
- List Settings:
Set the “Start Bit Table Entry” and “No. of Bits Referenced” so as to include
the bit memory table set in (2) above.
(4) Register the set alarm history as follows on the screen that displays the alarm
history.
- History Info: Check mark set
- Order type: Order of occurrence
Hints
S
When designating the screen number with a bit memory table, the alarm history
can also be displayed by designating the following screen numbers.
- No. 9001: Occurrence History Screen (page 446)
- No. 9002: Frequency History Screen (page 446)
In this case, there is no need to register an alarm list.
Example: Displaying the corrective action (help information) when the alarm message
“TEMPERATURE ABNORMAL” is pressed.
Alarm list
TEMPERATURE
ABNORMAL
Library data
Inspect ...
TEMPERATURE
ABNORMAL
NT31/NT31C