Rockwell Automation RECOMM-ENET EtherNet/IP Communications Module User Manual
Page 149

EtherNet I/P Objects
C-13
Message Structure for Execute_PCCC
Message Structure for Execute_DH+
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
Request
Response
Name
Data
Type
Description
Name
Data
Type
Description
DLink
UINT
Destination Link ID
DLink
UINT
Destination Link ID
DSta
USINT
Destination Station
number
DSta
USINT
Destination Station
number
DUser USINT
Destination “User”
number
DUser
USINT
Destination “User”
number
SLink
UINT
Source Link ID
SLink
UINT
Source Link ID
SSta
USINT
Source Station number
SSta
USINT
Source Station number
SUser
USINT
Source User number
SUser
USINT
Source User number
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 CMD’s
EXT_ST
S
USINT
Extended Status; not
used for all CMD’s
PCCC_
params
ARRAY
of
USINT
CMD/FNC specific
parameters
PCCC_
results
ARRAY of
USINT
CMD/FNC specific
result data