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In IEC 60870-5-101/104 Master/Client Communication for BMXNOR0200 is it possible to send multiple command from client to server?

Published date: 30 May 2019

Issue
Customer send multiple commands from SCADA within short interval of time ( in ms ). What settings shall be configured in NOR module to accept this commands successfully.

Product Line
BMXNOR0200 V1.7 IR19, WinPP104 ( Licensed Version with customer )

Environment
Windows 10  64 Bit Build 10.1703.1, Control Expert V14.0

Resolution
In the webpage of NOR when configured as server, access the parameter "CMD Queue Size"  by Channel > server > session > paramter > Advanced Properties > CMD Queue Size
This CMD Queue size allows us to configure the NOR to accept multiple commands for various datatypes C_SC, C_SO etc in parallel. By default it is zero. User needs to configure 
this value to like 10 to perform some test.

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