Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
157
CGCM-DLR Unit Software Interface
Chapter 6
Configuration Data Table
The Configuration data table contains configuration parameters. The parameters
are automatically written to the CGCM-DLR unit by the ControlLogix
controller when either of the following is completed:
•
A connection is first established (Forward Open)
•
You change parameters in the Logix Designer application module-
configuration dialog boxes and click Apply or OK (Null Forward Open)
The CGCM-DLR unit accepts only Configuration data if all parameters are
within range and excitation is disabled.
Data Type
The Configuration data table is automatically created by using module-defined
data type AB:1407_CGCM:C:2. This tag hides the first 4 bytes of the data
table.
Unscheduled reads and writes of the Configuration data table are supported. If
you wish to perform unscheduled reads, you must create a controller tag with
data type AB:1407_CGCM_Configuration_Read as the target of a message
instruction. This method is used in the CGCM-DLR unit in place of the use of
Instance 7 in the 1407-CGCM with ControlNet communications. Instance 7 is
not supported in the CGCM-DLR.
Assembly Object Instance 4 - Configuration Data Table
The Get Attributes Single service for instance 4 of the Assembly Object can
access the following information.
IMPORTANT
Writing the CGCM-DLR unit configuration with unscheduled messaging is not
recommended. We recommend that you use only scheduled configuration
messaging that is sent when the connection is opened or the module
configuration is edited in the Logix Designer application.
Table 16 - Get Attributes Single (Service Code 0x0E)
Name Attribute
ID
Data
Type
Value
Data 3
UINT
See Unscheduled Configuration Read/
Write Data Table, Assembly Instance 4
Size 4
UINT
344