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Electro Industries/GaugeTech
Doc # E107706 V1.2
5
4-10
Figure 4.7: 3-Phase, 4-Wire Wye, 2.5 Element with 2 PTs, 3 CT
s.
0.25 A
INPUT
Contents
Main
Nexus 1250 /1252
Electro Industries/GaugeTech
Installation & Operation Manual Version 1.25
Page
Page
Page
About
Electro
Industries/GaugeTech
Applications:
Futura+ Series Products:
Page
Table
of
Contents
Page
Page
Page
Chapter
1 Three-PPhase
System
Power
Measurement
Page
1.1.2:
Delta
Connection
1.1.3:
Phase
Three
and
Theorem
Page
1.2:
and
Energy
Power,
Demand
Page
1.3: Reactive
Power
and
Energy
Factor
Page
1.4:
Harmonic
Distortion
Figure 1.11: Distorted Current Wave
QThe distortion observed in Figure 1.11 can be modeled as the sum of several sinusoidal waveforms
1000
500
0
Page
1.5:
Power
Quality
Page
Chapter
2 Nexus
Nexus
The
2.1:
Page
Page
Page
Page
Page
Page
Page
Page
2.7: Demand
Integrators
Len
Value Sub
=
2.8: Nexus
Modules
I/O
External
(Optional)
2.9:
Meter
1250/1252
Nexus
Specifications
Page
Chapter
3 Hardware
1250/1252
Nexus
the
Page
Page
Page
Page
Page
Nexus I/O Modules Mounting Diagram, Front View
Page
Chapter
4 Electrical
Installation
Page
4.8:
Wiring
Diagrams
Page
Page
Page
Page
Page
Page
Page
Page
Page
Chapter
5 Communication
Wiring
5.1: Communication
Overview
Page
MODBUS/TCP over Ethernet
Page
Nexus Meter Port 1
For All RS-485 Connections:
..
2-Wire RS-485 Port S - +
Incorrect Connection: T
Incorrect Connection: Star
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
5.16:
Communication
Remote ConnectionRS-485
Remote
Overview
Page
MODBUS/TCP over Ethernet
5.17:
Remote
5.18:
CommunicationRS-2232
5.19:
Remote
for
Modems
Programming
+
Page
+
+ -
-
5.23: IRIG-BB
Connections
Page
Chapter
6 Using
External
Nexus
the
6.2.1:
Multiple
P40N
Connect
Displays
6.3:
Readings
Dynamic
Mode
Page
6.4:
Readings
Dynamic
of
Map
6.5:
Information
Nexus
Mode
6.6:
Information
Nexus
of
Map
6.7:
Features
Display
Mode
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Chapter
7 Transformer
Loss
Compensation
7.1: Introduction
Page
7.2:
Compensation
Loss
Transformer
1250/1252
7.2.1:
Element
Three
in
Compensation
7.2.1.1:
Compensation
Loss
Element
Three
Page
Page
Page
Chapter
8 Nexus
TOU
Nexus
Time-oof-UUse
Page
Page
Page
Page
Page
Page
9.4: Factory
Reset
and
Settings
Button
9.5:
Output
Signal
Transducer
Analog
9.5.2:
Normal
Mode
9.6:
Input
9.6.1:
Analog
Modules
9.6.2:
Normal
Mode
Page
Page
9.8:
(KYZ)
9.8.1:
Output
Pulse
9.8.2:
Communication
9.8.3: Normal
Mode
9.9.1:
Input
Status
Digital
9.9:
9.9.3:
Normal
9.10:
Mode
Specifications
Page
Page
Page
Page
11.2:
Hardware
Connection
Page
Chapter
12 Flicker
of
12.1: Overview
12.2: Theory
12.3: Setup
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
e
GlossaryGlossary
Page
Page
Page
Page
e
