60
5.3 Clock Correction Function
The clock in KW9M Eco-POWER METER can be set by pulse input when you set pulse input IN1 to
[Clock]. However, the clock is different 1-hour or more from the setting time, it doesn’t correct.
5.4 Demand function
You can select demand calculation methods for KW9M Eco-POWER METER from the belows.
・
Peak demand
・
According to IEC61557-12
1. Sliding block interval demand
2. Fixed block interval demand
3. Current demand
・
30-min demand
Please use this simple demand function as your standard. The value is not guaranteed.
Caution
(1)Definition of Demand
It is demand measurement in order to use by yourself as your standard.
(2) The time used by this function is the time set up with Eco-POWER METER.
Therefore, it is different from the demand meter controlled by an electric power company.
5.4.1 Peak demand
The maximum values of instantaneous power (active, reactive, apparent, active (export), reactive
(export)) in one month are recorded as peak demand for 12-month.
5.4.2 Block interval demand
It calculates demand by setting interval and displays.
You can select sliding block or fixed block for interval.
It output demand alarm according to the setting conditions.
Sliding block
Set power interval by 1 to 60(min.) (every 1-min.). It calculates demand during latest finished interval
and displays.
One interval is started every time that set for ‘power demand interval 2’.
Ex.) Power demand interval: 15 min. Power demand interval 2: 1 min.
15 min. interval
Calculate demand during
4 to 19 min
0
1
2
3
4
・・・
・・・
15
16
17
18
19
[min.]
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