User's Manual

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REX Meter
B Display Technical Manual
B-2 30 November 2006
Display Items The same hold time is used for all items in the display list.
Displayable items can be grouped into the following categories:
■ LCD test
■ error codes and status codes
■ current time and rate
■ metered quantities
■ received energy quantity
■ per phase voltage present indication (Form 12S only)
■ network registration status
LCD Test
When selected as a display item, the REX meter tests the display segments by
lighting all the segments on the LCD as shown in Figure B-2. During the LCD
test, the real energy arrows and the K
h
pulse indicator operate normally and are
not affected by the LCD test.
Figure B-2. LCD test
Note: After power restoration, the LCD test always displays all
segments (including the real energy arrows and square
indicator) even if the LCD test is not selected as a displayable
item.
Error Codes and Status Codes
Error codes are appended to the display list automatically when the condition
exists. Status codes are appended to the display list if both of the following
items are valid:
■ the condition causing the status code exists
■ status codes have been selected as a display item
Real energy
indicators
Arrows indicate the direction of energy flow; square (K
h
pulse indicator) indicates the proportional rate of
consumption.
Item Description