ABB SPAC 315 C User Manual And Technical Description page 51

Event codes Over the SPA bus a substation level data com-
municator can read the event data, such as sta-
tus change, transmitted by the control module
SPTO 1D6. The events are represented, for in-
stance, by the event codes E1...E11. The con-
trol module transmits its event data in the for-
mat:
<time> <channel number><event code>
where
time = ss.sss (seconds and parts of a second)
channel number = 0...13
event code = E1...E54, depending on the channel
Example 17
Calculation of an event mask value.
Channel Event Event
code
2 E1 Change in status: xx ->10 (open)
2 E2 Change in status: xx ->01 (close)
2 E3 Change in status: xx ->11 (undefined)
2 E4 Change in status: xx ->00 (undefined)
2 E5 OPEN output activated
2 E6 OPEN output reset
2 E7 CLOSE output activated
2 E8 CLOSE output reset
2 E9 Output activation inhibited
2 E10 Failed to open or close
2 E11 Attempt to activate an output
without open/close selection
Event mask V155 for channel 2
The event mask V155 of channel 0 and input
channels 4...13 may have a value within the
range 0...15 and the event mask of input chan-
nels 1...3 within the range 0...2047. The de-
fault values are shown in the next table.
Input channels 1...13 have a setting S20, which
enables or inhibits the event reporting of the
concerned channel. The default value is 0, which
means that event reporting is allowed accord-
ing to the event mask.
Most of the event codes and the corresponding
events may be included in or excluded from the
event reporting by writing an event mask (V155)
to the control module. The event mask is a bi-
nary number coded to a decimal number. Each
input channel 1...13 has its own event mask.
Each event code is represented by a number.
An event mask is formed by multiplying the
number either by 1, which means that the event
is included in the reporting, or by 0, which
means that the event is not included in the re-
porting and, finally, adding up the results of
multiplications.
Number
represent- factor
ing the
event
1
2
4
8
16
32
64
128
256
512
1024
The settings S10...S13 for input channels 1...3
and settings S10 and S11 for input channels
4...13 define the activation/deactivation delays.
The set delays are used for filtering out un-
wanted events when status data is changing. An
event code is generated only if the status data is
stable for a longer time than the corresponding
delay time, e.g. the event code E4 "change in
status: xx -> 00" can be filtered out when the
status of an object is changing from open to
close and vice versa. The time marking of a de-
layed activation/deactivation event is the actual
event time added with the delay time.
Event Result of
multipli-
cation
x 1 = 1
x 1 = 2
x 0 = 0
x 1 = 8
x 1 = 16
x 0 = 0
x 1 = 64
x 0 = 0
x 1 = 256
x 0 = 0
x 0 = 0
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