Event priority – ProSoft Technology 5201-DFNT-104S User Manual
Page 87

IEC-60870-5-104 (104S) Protocol Implementation
104S v2 ♦ ProLinx Gateway
Protocol Manual
(Firmware v2.xx)
ProSoft Technology, Inc.
Page 87 of 157
3.6.5 Event Priority
Event Priority permits ASDUs that generate events to be placed in priority
queues that are set by the user. The configuration file contains the following
parameters to support this feature:
The Set Priority Queues parameter must be enabled for this feature to be used.
Each of the ASDUs affected by this feature must be assigned a unique priority
index from 0 to 6. Events of the ASDU with a priority of 0 will always be reported
before any others when they are present.
Example - Event Priority
If the gateway is configured with the example values above, and the event queue
contains the events generated in the following order:
Event Order
ASDU
1 M_SP_NA
2 M_SP_NA
3 M_DP_NA
4 M_ST_NA
5 M_DP_NA
6 M_SP_NA
March 19, 2010