Chapter 3 Using Front Display
Display Operations
PM135 Powermeter Series
59
Basic Settings Display
The basic settings display shows basic device settings that can be required
for immediate inspecting while meter testing and at the time of
installation. Use the UP/DOWN button to scroll through the settings
Device wiring mode (see
Basic Meter Setup
for full
list of wiring modes), external potential transformer
ratio and the nominal device voltage.
Primary ratings of the external current transformers
(main and auxiliary current inputs) and the nominal
device frequency
Power demand period (number of blocks x block
demand period), and voltage and ampere demand
periods.
Device Info Display
The device info display provides different service information that may be
required for meter identification and inspection, like product/module and
firmware information, I/O module type, communication settings, and so
on. Use the UP/DOWN button to scroll through the device info.
Meter identification info
Meter communication info
Load Bar Graph
The load bar graph displays the amount, in percent (40% to 110%), of
the present current load with respect to user-defined nominal load
current. The reference nominal current can be set up in amps through the
display setup (see
Configuring the Display
). If it is set to 0 (default), the
current load is referenced to the specified CT primary current.
