Omron CPM2C User Manual

224
Introduction Section 7-1
2. When a K3TS is connected, connect the other components by SYSWAY
as well. The K3TS cannot be combined with components that communi-
cate by CompoWay/F communications.
3. With CompoWay/F communications for some Digital Panel Meters, unlike
Temperature Controllers and Timers, present values and set values are
stored in BCD format. (These values are stored in binary format with Tem-
perature Controllers.)
4. There are some SYSWAY commands that are not supported by OMRON
components. Refer to the User’s Manual for the component and confirm
the contents of CPM2C-CIF21 command groups before using SYSWAY
communications.
5. SYSWAY communications must be set to indicate whether Temperature
Controllers or Digital Panel Meters are connected. Refer to page 241 for
the setting method.
7-1-3 Processing Component Data
Data Processing Basics Reading and writing are performed cyclically when the Read and Write Com-
mand Bits are ON.
Interface between the
Simple Communications
Unit and the CPU Unit
The Simple Communications Unit interfaces with the CPU Unit through the
CPU Unit’s DM area using the CPU Unit’s peripheral port.
Interface between the
Simple Communications
Unit and the Components
The Simple Communications Unit interfaces with the OMRON components by
transferring data with SYSWAY or CompoWay/F communications.
Differences between
SYSWAY and
CompoWay/F
Data can be written between the Simple Communications Unit and OMRON
components with host link or CompoWay/F communications. The methods
used to read and write data are different in these communications protocol.
(Some components are not limited to just one of these protocols.)
SYSWAY Communications
When SYSWAY communications are being used, there are 5 possible variable
groups. Select the variable group of the data that will be transferred.
Also, the type of component being connected (Temperature Controller Unit or
Digital Panel Meter) must be set when using SYSWAY communications. Dif-
ferent variables are transferred with Temperature Controller Units and Digital
Panel Meters.
CompoWay/F Communications
When CompoWay/F communications are being used, the variables that will
be transferred must be registered beforehand one-by-one. Register the vari-
CPM2C CPU Unit
CPM2C-CIF21
Simple
Communications
Unit
Component
Write
Read
Write
Read
Settings
area
Control data area
Write data area
Read data area
DM areaDM area

Omron CPM2C Specifications

General

Brand	Omron
Model	CPM2C
Category	Controller
Language	English