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System Menu and Transmit Mode
Setting History Data
Reading History Data
Order of Occurrence
64
(1) When creating screens with the Support Tool, use screen attribute desig-
nations to register history attributes and messages (within 24 characters) for
the screens you want to save in the history.
(2) Whenever the screen number registered for history attributes is desig-
nated by the host, the occurrence and message are saved in memory. The
capacity of the history is 1,023 screens in chronological order or 255 occur-
rences per screen in frequency order. The only things that can be recorded
are screen numbers and messages. History record data is backed up by a
battery, so, as long as the battery is installed, the contents will be retained
even when the power is turned off.
(3) Before beginning to record, initialize the history data by transmitting an
Initialize History command from the host, or by selecting Init. Hist. from the
Maintenance Mode. If the history data capacity is exceeded, newly occur-
ring history data will not be saved.
Enter Maintenance Mode from the System Menu.
MAINTENANCE MENU
Quit
Display Hist.
I/O Check
PT Settings
Init. Memory
Memory SW
Move the bar cursor to History Record by pressing the Up and Down Keys.
Then press the Enter Key.
History Record
Occurrence
Frequency
Select whether the history is to be displayed in order of occurrence or in or-
der of frequency. First move the bar cursor to your selection by means of the
Up and Down Keys, and then press the Enter Key.
Record data is displayed in order of occurrence.
No.
Times
Message
1
( )
Coolant Mal.
5
( )
Motor Mal.
200
( )
Comp. Mal.
150
( )
Press Mal.
Number of times occurred.
Screen number
Section 6-2
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