Common services, Message structure for execute pccc – Comtrol UP DeviceMaster User Guide User Manual
Page 55

DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I
Chapter 2. Programming Interface - 55
PCCC Object (67 Hex)
2.3.6.7.4. Common Services
2.3.6.7.5. Message Structure for Execute PCCC
Service Code
Implemented in Class
Implemented in Instance
Service Name
4B Hex
No
Yes
Execute_PCCC
Request Message Name
Data Type
Description
Length
USINT
Length of requestor ID
Vendor
UINT
Vendor number of requestor
Serial Number
UDINT
ASA serial number of requestor
CMD
USINT
Command byte
STS USINT
0
TNSW
UINT
Transport word
FNC
USINT
Function code
PCCC_params
Array of USINT
CMD/FMC specific parameters
Response
Message Name
Data Type
Description
Length
USINT
Length of requestor ID
Vendor
UINT
Vendor number of requestor
Serial Number
UDINT
ASA serial number of requestor
CMD
USINT
Command byte
STS USINT
Status
byte
TNSW
UINT
Transport word - Same value as request.
EXT_STS
USINT
Extended status (if error)
PCCC_params
Array of USINT
CMD/FMC specific result data
Supported PCCC
Command Types
FNC
Description
0F Hex
67 Hex
PLC-5 typed write
0F Hex
68 Hex
PLC-5 typed read
0F Hex
A2 Hex
SLC 500 protected typed read with 3 address fields
0F Hex
AA Hex
SLC 500 protected typed write with 3 address fields