Prosoft-technology PLX8X-MNET-61850 User Manual download pdf (Page 167)

PLX8x-MNET-61850 ♦ Communication Gateway Reference

Modbus TCP/IP to IEC 61850 User Manual

ProSoft Technology, Inc. Page 167 of 228

May 14, 2014

6.4.8 IEC 61850 Client

IEC 61850 Client Startup Sequence:

a Verify process arguments from MCP

b Connect to the Event Log; upon success log Event.

c Connect to System tag DB; upon failure log Event.

d Initialize diagnostics.

e Connect to User tag DB; upon failure log Event.

f Connect to MCP Interface; upon failure log Event. Tell MCP Interface "not

running", "not ready".

g Parse configuration.

h Verify all tag pointers from configuration for validity (tags all defined, all

exist in User tag DB); upon first failure log Event.

i Create internal file for configuration from our parsed configuration.

j Initialize diagnostic tag pointers and diagnostic values.

k Opens internal file and the GOOSE socket; upon failure of either log

Event.

l Prepare reportids; upon failure log Event.

m Tell MCP Interface ready.

n Start the Diagnostics thread.

o Initialize global GOOSE management

p Tell MCP Interface running.

All conditions causing the driver not to start are identified above by the log Event

actions.

IEC 61850 Client firmware operating sequence:

a If not connected to a configured IED, it will attempt to connect. Attempt

every 5 seconds. Once connected, attempt identify with the IED. Attempt

every 50 ms. If identify fails 10 times, disconnect from IED and attempt

reconnect every 5000 ms.

b Subscribe to any GOOSE messaging configured for this IED. Ensure

match of each element’s type id and the GOOSE confRev. Set failure flag

if no match is found.

c Enable any Reports configured for this IED. If the enable fails for

whatever reason, such as a mismatch of confRev, then the Report is not

enabled and not attempted again. Otherwise the Enable continues to be

attempted every 60 seconds. Once connected, perform a General

Interrogation to receive all data values of the Report, if that TrgOp was

enabled for that Report. Once connected, perform a General Interrogation

to receive all data values of the Report, if that TrgOp was enabled for that

report.

d Process MMS reads and MMS writes

The IEC 61850 Client driver attempts to reconnect to any disconnected IEDs

every 5000 milliseconds.

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