Cpu Unit Initialization; Overview Of Cpu Unit Initialization; Cpu Unit Initial Settings; Dip Switch - Omron CJ2 CPU UNIT SOFTWARE User Manual

4 CPU Unit Initialization

4-1

Overview of CPU Unit Initialization

4-1-1 CPU Unit Initial Settings

Both hardware settings with the DIP switch and rotary switches on the front of the CPU Unit and soft-
ware settings to set parameters with the CX-Programmer or other software must be made to make the
initial settings required for the CPU Unit.
Hardware Settings

DIP Switch

Set the DIP switch according to the application.
Location
DIP switch on front of Main purposes:
CPU Unit
• Program write protection:
• Automatic transfer at startup:
• Toolbus connection with RS-232C: Turn ON pin 5.
• User-defined pin:
• Simple backup:
Rotary Switches
A unit number and node address are allocated to the built-in EtherNet/IP port on the CJ2H-CPU6@-EIP
and CJ2M-CPU3@ in the same way as for a CPU Bus Unit. Words are allocated to the built-in Ether-
Net/IP port in the CPU Bus Unit Areas in the CIO Area and DM Area according to the unit number set-
ting.
For details on hardware settings, refer to 3-1 CPU Units in the CJ2 CPU Unit Hardware User's Manual
(Cat. No. W472).
4-2
Purpose
Turn ON pin 1.
Turn ON pin 2.
Turn ON pin 6.
Turn ON pin 7.
Setting method
Make the settings with
the power supply OFF,
and then turn the
power supply ON.
CJ2 CPU Unit Software User's Manual