Rockwell Automation 20-COMM-Q ControlNet Adapter - Manual (Page 219)

ControlNet Objects C-9
20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P
Message Structure for Execute_DH+
The adapter supports the following PCCC command types:
For more information regarding PCCC commands, see DF1 Protocol and
Command Set Manual, publication 1770-6.5.16
.
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 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
CMD FNC Description
0x06 0x03 Identify host and some status
0F 67 PLC-5 typed write
0F 68 PLC-5 typed read
0F 95 Encapsulate other protocol
0F A2 SLC 500 protected typed read with 3 address fields
0F AA SLC 500 protected typed write with 3 address fields
0F A1 SLC 500 protected typed read with 2 address fields
0F A9 SLC 500 protected typed write with 2 address fields
0F 00 Word range read
0F 01 Word range write