Omron NV Series Setup Manual page 60

Internal Operation
40
■
FROM (Built-in Flash Memory)
Stores the project data created with the NV-Designer (base screen data, other
functional data, PT configuration, etc.)
The project data can be backed up to and restored from SD memory cards.
Data
Screen data Base screen data
Keyboard screen data This is the data for screens containing key-
Login screen data
NV configuration data
(NV Configuration)
Recipe data
Write Address data
Flow display data
Passwords
■ SRAM (Internal RAM)
The SRAM stores data collected by the PT, such as the alarm history, PT
internal memory values, PT internal clock data, etc.
The data stored in the internal RAM will be lost one minute after the power
supply is turned OFF unless a Battery (sold separately) is installed. (A Battery
cannot be used with the NV3W(-V1).)
Data
Clock data
Alarm history data
PT internal memory
PLC memory hold
This is the data for screens containing parts
selected from the parts library.
board parts that open when data parts are
touched.
The login screens are used to enter pass-
words according to the password levels spec-
ified for the operation security function. (Not
supported for the NV3W)
These are the initial settings for system mem-
ory, the startup screen number, etc.
This data contains the settings for recipes
that enable reading or writing multiple
numeric values in PLC memory at the same
time.
This data contains the settings for the condi-
tions and operations to write PLC/PT data
according to the status of PLC/PT memory
while specified screens are displayed.
This data contains the settings for the text
and display conditions for flow displays that
are displayed at the bottom of all screens.
This data contains the settings for passwords
that restrict displays and operations accord-
ing to the part and user.
(Not supported for the NV3W)
Description
This is the clock data for the NV-series PT.
This data contains a history (including time stamps) of the
alarms that have occurred or recovered while monitoring PLC
memory status that is defined as alarms.
PT internal memory
Specified contents can be backed up when the power supply
is turned OFF.
This data contains the data that has been specified for con-
stant reading from PLC memory and holding when the power
supply is turned OFF.
Section 2-2
Description