Interval Processing - ABB REG316 4 Series Operating Instructions Manual

REG 316*4 1MRB520049-Uen / Rev. F
When a reset command is applied to binary input "Reset1" or
"Reset2", measurement events with the values of E
Pulse
counters are reset.
Impulse counter values are stored in a RAM with a battery
supply and are not lost should the auxiliary supply fail. Impulses
arriving at the inputs while the software is being initialised, e.g.
after settings have been made, are lost.
· Capacity for Pulse
At the maximum impulse repetition rate, the total number of
impulses counted during a year is 25 pps ´ 3,600 s/h ´ 8,760
h/year = 788,400,000 impulses per year. The output is reset
to zero when a counter reaches 2,000,000,000, i.e. 2 ´ 10
Unless special measures taken or a counter is reset, it can
overflow at the worst after approx. 2,5 years.
· Should an impulse counter overflow, the value of
Pulse
measures have been included, because
1) an overflow is hardly likely to occur.
2) should an overflow occur, it is obvious providing the
If necessary, the total number of impulses counted since the
last reset can be determined even after an overflow.
3.7.5.4.

Interval processing

The interval starts at a full hour plus a even multiple of t
and is synchronised to a full minute by the internal RE..16 clock.
Assuming t
hours throughout the day.
Impulse counter and energy outputs are set at the start of the
first regular interval, even if the previous interval was incomplete.
This ensures that no impulses are lost after starting the function.
When t
· The counter values E
Pulse
remain unchanged until the end of the next interval.
are created for the respective channel before its
accumulate
accumulate
is recorded in the event list. No further
accumulate
counters are checked regularly, for example, by an SCS.
is set to 120 min, the interval is started at even
Interval
expires, the following takes place:
interval
accumulate
are stored in the intermediate buffers and
acc_interval
ABB Switzerland Ltd
:
, Pulse , E
accumulate
and
accumulate
9
.
Interval
and
acc_interval
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