NT31C-ST143-EV3 Omron, NT31C-ST143-EV3 Datasheet - Page 159
NT31C-ST143-EV3
Manufacturer Part Number
NT31C-ST143-EV3
Description
5.7 8-Color Dsp,STN,Ivory,Eng
Manufacturer
Omron
Datasheet
1.NT31-ST123B-EV3.pdf
(313 pages)
Specifications of NT31C-ST143-EV3
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Memory Initialization
6-4-2
142
Initializing Display History Record Data
Reference:
The display history record function keeps a record of the order of display of
the screens displayed during operation, and the number of times each screen
is displayed. These records are kept only for screens for which the History
attribute has been set.
The maximum number of records is 1024 for sort by occurrence (order of dis-
play occurrence) and 255 for sort by frequency (order of the number of times
each screen has been displayed).
Use the display history record initialization function to clear the history record
data to 0, for example when the screen data has been changed, etc. Also, if
Alarm (Use Ring Buffer) under History Setting of System in PT Configuration
(Tools) has not been checked, no more records will be stored after the maxi-
mum number of records has been kept, and therefore the records must be
periodically initialized. If Alarm (Use Ring Buffer) is checked, when the maxi-
mum number of records is reached the oldest record is deleted and the new-
est data is recorded.
The NT31/NT31C also allows the display history record data to be initialized by
controlling the PT status control area from the host. For details, refer to 2-2-1
PT Status Control Area in the Reference Manual.
Section 6-4
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