Landis & Gyr FOCUS kWh Technical Manual - page 16
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A two character programmable alphanumeric label can be associated with each display except the active DPI
segment check, which has all segments in the alphanumeric field, illuminated. This two-character field is used to
identify the energy displayed.
5.1.3. Display
Format
The display accommodates the following digit formats:
•
6x1
•
5x1
•
4x1
•
4x10 (Four digit display with the least significant digit representing 10kWh per increment)
The energy display format is programmable at the factory or by the user with
Focus Configuration Tool.
The
chosen format is in effect for all displays in the scroll sequence. Display format does not affect the active DPI
segment check, diagnostic flag word, or line voltage(s).
5.1.4.
Digital Power Indicator
The Focus kWh has a digital power indicator similar to the Landis+Gyr traditional “caterpillar” and consists of six
segments.
The DPI moves from left to right at a rate proportional to energy delivered to the load and moves from right to
left at a rate proportional to the energy received from the load.
The DPI makes one revolution for each Kh of metered energy.
Each DPI segment on/off transition is observable when occurring at a maximum rate of one on/off transition each
.45 second at –20ºC and above.
5.1.5.
Power Up Display Sequence
All Focus kWh display segments, including the DPI segments, illuminate after the meter is powered up
regardless of the display sequence program. This segment check display persists for five seconds after the
meter is powered, after which time the display begins its programmed scroll sequence.
5.2. Diagnostics
5.2.1.
Diagnostic Error
The following table contains the diagnostic errors available for display in the diagnostic status word.