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The input signal STACC is used to start accumulation. Input signal
STACC cannot be used to halt accumulation. The energy content is reset
every time STACC is activated. STACC can for example, be used when
an external clock is used to switch two active energy measuring function
blocks on and off to have indication of two tariffs.
tEnergyOnPls
: gives the pulse length ON time of the pulse. It should be at least
100
ms
when connected to the Pulse counter function block. Typical value can be
100
ms.
tEnergyOffPls
: gives the OFF time between pulses. Typical value can be
100
ms.
EAFAccPlsQty
and
EARAccPlsQty
: gives the MWh value in each pulse. It should be
selected together with the setting of the Pulse counter (PCGGIO) settings to give the
correct total pulse value.
ERFAccPlsQty
and
ERRAccPlsQty
: gives the MVarh value in each pulse. It should be
selected together with the setting of the Pulse counter (PCGGIO) settings to give the
correct total pulse value.
For the advanced user there are a number of settings for direction, zero clamping, max
limit, and so on. Normally, the default values are suitable for these parameters.
Section 13
1MRK 511 286-UUS A
Metering
314
Application manual
Summary of Contents for REC650 ANSI
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