2-16
Section
Special Functions
235
2-16 Special Functions
Apart from the elements, the PT has the following functions which can be
executed at the PT itself.
•
Display history function
Page 235
•
Alarm history function
Page 237
•
Resume function
Page 240
•
Screen saver function
Page 240
•
Buzzer function
Page 241
•
Clock function
Page 242
•
Print function
Page 243
•
Adjusting contrast and brightness during PT operation
Page 246
•
Programming Console function (expansion function)
Page 248
•
Device Monitor function
Page 250
•
Mathematical function
Page 269
These special functions are described here, except for the Device Monitor and
mathematical functions which are described in the following sections.
2-16-1 Display History Record Function
The display history record function serves to record the order of display and dis-
play frequency of screens during operation. The recorded data can be displayed
and checked either from the System Menu or during operation.
The procedure for using the display history record function is as follows.
1, 2, 3...
1. [Setting the screen attribute]
When creating screens with the Support Tool, set the History attribute for
screens whose display history is to be recorded. For this setting, a character
string (title) can be registered to indicate the contents of the screen. Title is
up to 24 characters in length.
Only screens for which the History attribute is set are objects of the display
history record function.
2. [Initializing the display history]
Before recording can be started, the display history must be initialized from
the System Menu of the PT to clear the past records.
3. [Recording the display history]
Operate the PT as usual.
When a screen for which the History attribute is set is displayed during op-
eration, the time of display and number of times it has been displayed are
recorded.
4. [Checking the display history record]
Display and check the recorded display history record.
There are two methods for doing this: displaying the record from the System
Menu, and displaying a screen with the display history record function dur-
ing operation.
In either case, the records can be presented in occurrence order (order of
display) or frequency order (order of frequency of display).
Procedure for Using the
Display History Record
Function
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