ProSoft Technology PLX8X-MNET-61850 - Manual (Page 139)

PLX8x-MNET-61850 ♦ Communication Gateway Reference
Modbus TCP/IP to IEC 61850 User Manual
ProSoft Technology, Inc. Page 139 of 228
May 14, 2014
Modbus TCP/IP Server
 The server driver accepts incoming connections on Service Port 502 for
Clients using Modbus TCP/IP MBAP messages and connections on Service
Port 2000 (or other Service Ports) for Clients using Encapsulated Modbus
messages.
 Supports multiple independent server connections for any combination of
Service Port 502 (MBAP) and Service Port 2000 (Encapsulated)
 Up to 20 Servers are supported
Modbus Commands
Supported
(Client and Server) 3: Read Holding Registers
16: Preset (Write) Multiple
Holding Registers
Configurable Parameters:
(Client and Server) Gateway IP Address
PLC Read Start Register (%MW)
PLC Write Start Register (%MW)
Number of MBAP and MNET servers
Gateway Modbus Read Start Address
Gateway Modbus Write Start Address
Configurable Parameters:
Client Only Minimum Command Delay
Response Timeout
Retry Count
Command Error Pointer
Command List Up to 2000 Modbus commands (one tag per command)
Status Data Error codes reported individually for each command.
High-level status data available from Modbus TCP/IP Client (for
example PLC)
Command List Polling Each command can be individually enabled or disabled; write-only-
on-data-change is available