Aclara I-210+, Руководство пользователя

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16
I-210+ User Manual
LCD Information
Delivered - Received Energy:
The received energy is subtracted from the delivered energy. This mode of
operation is often referred to as net energy.
N
OTE
:
The first three modes of operation always have a positive accumulation. The
displayed kWh never decrements and it cannot underflow zero.
Instantaneous Power
The I-210+ can be configured to display instantaneous power in the lower row of
the LCD. This value is refreshed every second. The customer has an option of
whether the meter should display instantaneous power or not. The Instantaneous
Power has a real time indicator, kW, which is displayed whenever the
instantaneous power value is displayed. The instantaneous power display is auto-
ranging to display the most appropriate precision for the current load conditions.
Instantaneous Voltage
The I-210+ can be configured to display instantaneous voltage in the lower row of
the LCD. This value is refreshed every second. The Instantaneous Voltage has a
real time indicator, Volts, which is displayed whenever the instantaneous voltage
value is displayed. The customer has an option of whether the meter should display
instantaneous voltage or not. The V
2
softswitch must be enabled in order to display
this item.
Segment Check
The I-210+ can also be configured to display a segment check. When configured to
do so, the kWh value and the segment check alternate on the top row of the LCD.
Each of these items is displayed for a fixed number of seconds (4 seconds in US
and 6 seconds for customers in Canada). The display is blank for 0.5 seconds in
between these two items. The following display items are illuminated for the
segment check:
•
eights in the kWh display
•
the minus sign (-) in front of the kWh display
•
and the kWh annunciator