ProSoft Technology PLX8X-MNET-61850 - Manual (Page 68)

Example Configurations PLX8x-MNET-61850 ♦ Communication Gateway
User Manual Modbus TCP/IP to IEC 61850
Page 68 of 228 ProSoft Technology, Inc.
May 14, 2014
Leaving these two fields at their default settings of 1 (read) and 1000 (write)
means:
 The Modbus Client will use Function Code 16 to send data to the PLC
Holding Registers starting at address 40001 (400001 or % MW1, depending
on device and programming software used).
 The Modbus Server will receive data to be mapped to IED Control tags to
from PLC Holding Registers starting at address 41000 (401000 or %MW
1000).
(After working through this example, if you wish to use the example in your own
application, the PLC Read Start Register and PLC Write Start Register values
can be set according to the PLC program settings.)
a If you’re using an NOE Ethernet communication card in the Quantum
chassis, instead of the built-in Ethernet port (available on certain
processors), then enter the NOE slot number.