ProSoft Technology 5201-DFNT-104C - Manual (Page 75)

104C Version 3 ♦ ProLinx Gateway Mailbox Feature (x201-DFNT-104C)
IEC 60870-5-104 Client (Firmware v3.xx) Protocol Manual
ProSoft Technology, Inc. Page 75 of 139
August 4, 2011
3 Reserved This field is reserved for future use
and is added here to keep the
structure double-word aligned for all
platforms.
4 to 5 Point Index This field contains the point index in
the remote device that generated the
event.
6 ASDU Type This field contains the ASDU type
code for the data contained in the
message.
7 Milliseconds and
Seconds This word contains the seconds and
milliseconds when the event
occurred.
8 Minutes and Hours This field contains the minutes and
hours the event occurred.
9 Month and Day This field contains the month and day
of the month the event occurred.
10 Year This field contains the year the event
occurred.
11 Qualifier This field contains the point qualifier,
quality or sequence value as
described in the protocol
specification.
12 to 13 Value This field contains the a double word
value for the point associated with the
event message.