SGM3000 Series Smart Meters
User Manual
26
GEH-7111-1.00-2
Restricted
Security Sticker
The SGM3000 Series meter housing provides space for affixing a security sticker. A security
sticker can be affixed at the terminal cover joint and meter cover joint and would be used as a
method of visible tamper detection as an alternative or addition to a wire seal.
2.9 Liquid Crystal Display
The SGM3000 Series meters have a visible LCD (liquid crystal display) located on the face of the
meter. The LCD displays of up to 7 numeric digits. Up to 3 digits may be configured as decimal
places. The LCD has a backlight that will illuminate the display when a button is pressed.
The LCD displays the following:
•
Characters of K, W, V, A, r, h.
•
Constant display of the meter status
•
Whether there is voltage detected on phase A
•
Whether there is voltage detected on phase B
—
Three phase meters only
•
Whether is voltage detected on phase C
—
Three phase and dual element meters only
•
State of the primary supply relay
—
If installed
•
State of the load control relay
—
If installed
•
Signal strength as reported by the AMI module
•
Whether there is communication across the AMI module
•
Signal strength as reported by the HAN module
•
Whether there is communication across the HAN network
•
Whether there is energy flowing from the premise to the network
•
Various data values, meter status, and indications
•
Current data values in all time of use (TOU) registers
•
Multiple symbols for currency units (
which includes $, £, €
)
•
Time remaining before a meter is to be reconnected after a supply disconnection
For more detailed information on the LCD, please see section 8.1.1.3
2.10 Memory
The SGM3000 Series meters have a nonvolatile storage medium for storage of all measurement
data and basic meter information.