Cpu Bus Unit Setup Area; Setting Procedure - Omron CJ2 - 02-2010 User Manual

4 CPU Unit Initialization
4-6

CPU Bus Unit Setup Area

4-6-1 CPU Bus Unit Setup Area
A setup area stores the settings for specific CPU Bus Units mounted to the CPU Unit. The following
three types of Units and settings use this area.
• Ethernet Units:
• Controller Link Units:
• FL-net Units:

4-6-2 Setting Procedure

Make the settings using the following Support Software.
Ethernet Unit settings
Controller Link Unit data link tables
FL-net Unit settings
Memory Used for CPU Bus Unit Setup Area
The maximum amount of memory that can be used for the CPU Bus Unit Setup Area is 10,752 bytes.
Design the system so that the memory used for the CPU Bus Unit Setup Area is within the limit accord-
ing to the combination of CPU Bus Units in the PLC. If the limit is exceeded, some Units may operate
only at the default settings, and some may not operate.
Memory Used for CPU Bus Unit Setup Area
Controller Link Unit
Ethernet Unit
FL-net Unit
EtherNet/IP Unit
Serial Communications Unit
DeviceNet Unit
Position Control Unit
Motion Control Unit
Storage and Processing Unit
Units that use 0 bytes do not use the CPU Bus Unit Setup Area.
4-16
Ethernet settings
Data link tables (when user-set tables are used)
FL-net settings
Data
Make the settings for the Special I/O Unit or CPU Bus Unit in the
I/O tables of the CX-Programmer or make the setting using HTML.
Make the settings using data link tables in the CX-Integrator.
Make the settings using the CX-FLnet FL-net Support Software.
Unit
CJ1W-CLK21-V1
CJ1W-ETN11
CJ1W-ETN21
CJ1W-FLN22
CJ1W-EIP21
CJ1W-SCU21/31/41-V1
CJ1W-SCU22/32/42
CJ1W-DRM21
CJ1W-NCF71
CJ1W-MCH71
CJ1W-SPU01-V2
Support Software
Size used
Model
(bytes)
512
412
994
988
0
CJ2 CPU Unit Software User's Manual