PLX51-PBM
Operation
PROFIBUS DPV0/DPV1 Master or Slave to EtherNet/IP™ or Modbus® Gateway
User Manual
ProSoft Technology, Inc.
Page 112 of 196
DPV1 Class 2 Read
CIP Message:
Table 5.17
– DPV1 Class 2 Read Message
Parameter
Description
Service Code
0x4F (Hex)
Class
0x432 (Hex)
Instance
1
Attribute
N/A
Request Data Length
8
Request Data:
Table 5.18
– DPV1 Class 2 Read 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.
Connection Reference
Byte
Connection Reference Received from the DPV1 Class 2
Initialize Response.
Slot Number
Byte
The DPV1 Slot number which must be read.
Index
Byte
The DPV1 Index number which must be read.
Data Length
Byte
The maximum number of bytes that must be read.
Response Data:
Table 5.19
– DPV1 Class 2 Read 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 returned.
Reserved
Byte
-
Data
Byte[]
The data from the DPV1 Read request. The number of bytes
will be equal to the Data Length in the response.