Omron NV Series - Details of Internal Operation

9
Internal Data Types and Structure Section 2-1
2-1-2 Details of Internal Operation
The NV-series PT has FROM (internal Flash Memory) and SRAM (built-in
RAM). Data is exchanged with the PLC as shown in the following diagram.
888
Project Data
SD memory card
*1
NV-Designer
NV-series PT PLC
FROM (built-in Flash Memory)
• Base screen data
Parts
• Keyboard screen data
• Login screen data
*1
• NV configuration data
• Recipe data
• Write Address data
• Flow display data
• Passwords
*1
SRAM (internal RAM)
Clock data
*1
Alarm history data
*1
PT internal memory
Internal memory can be held.
*1
PLC memory hold area
*1
System
Information
Screen num-
ber, backlight
color, etc.
Battery
*1
Held when power
supply is OFF
System memory
Fixed area
Allocatable are
a
Allocatable area
Allocatable area
Allocatable area
*1: Not supported by the NV3W.