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Reference IEC-101 Slave ProLinx Communication Gateway
Protocol Manual IEC 60870-5-101 v3 Slave (Firmware version 3.xx)
Page 108 of 159 ProSoft Technology, Inc.
August 6, 2010
Event Priority
Event Priority permits the user to set reporting priorities for data change events
generated for each ASDU data type. The configuration file contains the following
parameters to support this feature:
The Set Priority Queues parameter must be set to YES for this feature to be
used. Each of the Monitored Point ASDUs must be assigned a unique priority
index from 0 to 7. If Event Priority is enabled, whenever events of an ASDU with
a lower priority number are present, they will always be reported before events
from any other ASDUs with higher priority numbers. Multiple events will be
assembled into each message packet for transmission. This methodology limits
the likelihood of a buffer overflow and still maximizes the bandwidth usage on the
communication channel.
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