Omron SYSMAC CP2E-E D Series User Manual

3-7
3 CPU Unit Operation
CP2E CPU Unit Software User’s Manual(W614)
3-2 Backing Up Memory
3
3-2-4 Initializing I/O Memory at Startup
For CP2E CPU Units, the held areas in I/O memory (Holding Area, Counter PVs, Counter Completion
Flags and DM Area) are automatically retained in the built-in non-volatile RAM with no battery installed.
Use the following way to clear these areas when the power supply is turned ON.
z Clearing All Held Areas to Zero at Startup
Select the Clear retained memory area (HR/DM/CNT) Check Box in the PLC Settings.
Note If the Restore D0- from backup memory Check Box is selected, only the specified words in the DM Area will
be restored from the built-in Flash Memory when the power supply is turned ON.
3-2-4 Initializing I/O Memory at Startup

Omron SYSMAC CP2E-E D Series Specifications

General

Input Voltage	24V DC
Data Memory	Up to 32 KB
Type	Programmable Logic Controller (PLC)
CPU Type	RISC
Communication Ports	RS-232C, RS-485
Ethernet Port	Yes
USB Port	Yes
Serial Port	1 x RS-232C
High-speed Counter	Yes
Pulse Output	Yes
Interrupt Inputs	Yes (4 inputs)
Expansion Slots	2
Operating Temperature	0°C to 55°C
Dimensions	90 x 90 x 70 mm
Series	CP2E-E D Series