Details Of Internal Operation - Omron NV Series Programming Manual

Internal Data Types and Structure
2-1-2

Details of Internal Operation

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