PLX51-PBM Operation
PROFIBUS DPV0/DPV1 Master or Slave to EtherNet/IP™ or Modbus® Gateway User Manual
ProSoft Technology, Inc. Page 131 of 196
Below is the format of the Holding Registers used for DPV1 Class 1 Messaging.
Table 5.46 – Modbus DPV1 Class 1 Request Message Holding Register Format
Bit 0 – Trigger Message Send
The time in Milliseconds if no response has been received
before the transaction times out
Target PROFIBUS Slave node address
Size of the data to follow
Request data (eg. Slot, Index, Size, and Data)
Table 5.47 – Modbus DPV1 Class 1 Response Message Holding Register Format
Size of all bytes following
This is the status of the DPV1 data exchange. See appendix
for the definitions of the returned status.
The size of the data to follow.