Chapter 5 Configuring T H E P M 1 3 0 P L U S
General M E T E R S E T U P
76 PM130 PLUS Powermeter Series
The number of
blocks in the sliding
demand window
E, EH
The number of blocks to be
averaged for sliding window
demands
Volt/Ampere
Demand Period
The length of the demand period
for ampere and volt demand
calculations
1. Always specify the wiring mode and transformer ratings prior to
setting up setpoints and analog outputs.
2. The maximum value for the product of the phase CT primary
current and PT ratio is 57,500,000. If the product is greater, power
readings are zeroed.
Figure 5-6: General Setup Dialog Box – Basic Setup Tab
Table 20 lists the available wiring modes.
Table 20: Wiring Modes
3-wire Open Delta using 2 CTs (2 element)
4-wire Wye using 3 PTs (3 element), line-to-neutral voltage readings
3-wire Delta Direct Connection using 2 CTs (2 element)
4-wire Wye using 3 PTs (3 element), line-to-line voltage readings
3-wire Open Delta using 3 CTs (2½ element)
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