Rockwell Automation RECOMM-CNET ControlNet Communications Module - Manual (Page 128)

C-12 ControlNet Communications Module
Message Structure for Execute_PCCC
Request Response
Name
Data
Type Description Name
Data
Type Description
Length USINT Length of
requestor ID Length USINT Length of requestor ID
Vendor UINT Vendor number
of requestor Vendor UINT Vendor number of
requestor
Serial
Number UDINT ASA serial
number of
requestor Serial
Number UDINT ASA serial number of
requestor
Other Product
Specific Identifier of user,
task, etc,. on the
requestor Other Product
Specific Identifier of user, task,
etc., on the requestor
CMD USINT Command byte CMD USINT Command byte
STS USINT 0 STS USINT Status byte
TNSW UINT Transport word TNSW UINT Transport word. Same
value as the request.
FNC USINT Function code.
Not used for all
CMDs. EXT_STS USINT Extended status. Not
used for all CMDs.
PCCC_
params ARRAY of
USINT CMD/FNC
specific
parameters PCCC_
results ARRAY of
USINT CMD/FNC specific
result data