Comtrol UP DeviceMaster User Guide - 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