ProSoft Technology PLX51-PBM, Руководство пользователя

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PLX51-PBM Operation
PROFIBUS DPV0/DPV1 Master or Slave to EtherNet/IP™ or Modbus® Gateway User Manual
ProSoft Technology, Inc. Page 109 of 196
DPV1 Class 1 Write
CIP Message:
Table 5.8
– DPV1 Class 1 Write Message
Parameter
Description
Service Code 0x4C (Hex)
Class 0x432 (Hex)
Instance 1
Attribute N/A
Request Data Length 8 + Length of Data Payload
Request Data:
Table 5.9
– DPV1 Class 1 Write Request
Parameter
Data Type
Description
Timeout Long The amount of time (in milliseconds) the PLX51-PBM waits for
a DPV1 response before timing out and responding to the
EtherNet/IP request with a Timeout Status.
Slave Address Byte The station number of the PROFIBUS device.
Slot Number Byte The DPV1 Slot number for the write request.
Index Byte The DPV1 Index number for the write request.
Data Length Byte The number of bytes that must be written.
Data Byte[] The data that will be written to the specific address. The
number of bytes will be equal to the Data Length in the
request.
Response Data:
Table 5.10
– DPV1 Class 1 Write Response
Parameter
Data Type Description
Status Byte This is the status of the DPV1 data exchange. See appendix
for the definitions of the returned status.
Extended Status Byte[3] This is the extended status of the DPV1 data exchange. See
appendix for the definitions of the returned extended status.
Data Length Byte The length of the data that was written.