Using The Display History Function; How To Use The Display History - Omron NT631 Series Reference Manual

Using the Display History Function

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Using the Display History Function

3-9-1 How to Use the Display History

Displaying the Special Screen during Operation
Setting
Operation
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This section describes how to use the display history which records the order
and frequency of screen display.
The display history can be checked using the System Menu of the PT. It is also
possible to check it during operation by displaying the display history screen.
Concerning the display history record data stored to the PT, the Support Tool can
read it out to the host as a text file. For the procedure for reading the display his-
tory record data, refer to the NT -series Support T ool V er . 4.1 for W indows Opera -
tion Manual .
A display history can be displayed in the special screen called out during opera-
tion or in the screen called out from the System Menu.
The display history can be confirmed during the operation of the PT.
When creating a screen using the Support Tool, tick the check box of the History
property of the screen to be recorded in the display history.
To display the alarm history in the order of occurrence, set the display order
(From Old Data/From New Data) of the record data using the Hist. Disp. Method
memory switch of the PT.
1, 2, 3... 1. Initialize the recorded alarm history record data as needed.
To initialize the alarm history record data using System Menu operation, se-
lect Alarm History on the MEMORY INIT. MENU screen.
To initialize the alarm history record data by operation at the PT status con-
trol area, change the status of bit 11 in the 4th word (word n + 3) from the
beginning of the PT status control area to 1 (ON).
After initializing the alarm history record data by the operation at the PT sta-
tus control area, return the status of bit 11 to 0 (OFF).
2. Display the display history screen. (The following displays show screens
from an NT31/NT31C PT.)
The screen number of the display history screen is:
Order of occurrence:
Order of frequency:
Display in The Order of Occurrence (Screen No. 9001)
Section
No. 9001
No. 9002
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