Nexus 1250 Manuals

Nexus 1250 Manuals

Manuals and User Guides for Nexus 1250. We have 1 Nexus 1250 manual available for free PDF download: Installation & Operation Manual

Nexus 1250 Installation & Operation Manual

Nexus 1250 Installation & Operation Manual (186 pages)

Power meter and Power quality recorder

Brand: Nexus | Category: Measuring Instruments | Size: 4 MB

Table of Contents

Product Warranty
5
Safety Symbols
6
Disclaimer
6
Table of Contents
9
1 :Three-Phase Power Measurement

13
- Three-Phase System Configurations
  13
- 1: Wye Connection
  13
- 2: Delta Connection
  16
- 3: Blondell's Theorem and Three-Phase Measurement
  18
- Power, Energy and Demand
  20
- Reactive Energy and Power Factor
  24
- Harmonic Distortion
  26
- Power Quality
  29
2 : Meter Overview

31
- The Nexus System
  31
- DNP V.3.00 Level 1 and
  32
- Flicker
  33
- INP2 Internal Modem with Dial-In/Dial-Out Option
  33
- 1: Hardware Overview
  33
- 2: Dial-In Function
  34
- 3: Dial-Out Function
  34
- Total Web Solutions
  34
- 1: Hardware Overview
  35
- 2: Hardware Connection
  35
- 3: Software Overview
  35
- 4: Network Settings
  36
- Measurements and Calculations
  38
- Demand Integrators
  42
- Nexus® External I/O Modules (Optional)
  45
- Nexus® 1250/1252 Meter Specifications
  47
- Nexus P40N+, P41N+, P43N+ LED External Display Specifications
  48
- Upgrading the Nexus® 1252 Meter's V-Switch
  49
- TM Key
  49
3 : Hardware Installation

51
- Mounting the Nexus 1250/1252 Meter
  51
- Mounting the Nexus External I/O Modules
  55
4 : Electrical Installation

57
5 : Communication Wiring

75
6 : Using the External Displays

97
- Overview
  97
- Nexus® P40N/P40N+, P41N+ and P43N+ LED External Displays
  97
- 1: Connect Multiple Displays
  102
- 2: Nexus® P40N/P40N+ Display Modes
  102
- Dynamic Readings Mode
  103
- Navigation Map of Dynamic Readings Mode
  107
- Nexus® Information Mode
  108
- Navigation Map of Nexus® Information Mode
  109
- Display Features Mode
  110
- Navigation Map of Display Features Mode
  112
7 : Transformer Loss Compensation

113
8 : Time-Of-Use Function

125
- Introduction
  125
- The Nexus® Meter's TOU Calendar
  125
- TOU Prior Season and Month
  126
- Updating, Retrieving and Replacing TOU Calendars
  126
- Daylight Savings and Demand
  127
9 : External I/O Modules

129
- Hardware Overview
  129
- 1: Port Overview
  130
- I/O Module Installation
  131
- 1: Power Source for I/O Modules
  131
- Using the PSIO with Multiple I/O Modules
  132
- 1: Steps for Attaching Multiple I/O Modules
  133
- Factory Settings and Reset Button
  135
- Analog Transducer Signal Output Modules
  136
- 1: Overview
  136
- 2: Normal Mode
  137
- Analog Input Modules
  138
- 1: Overview
  138
- 2: Normal Mode
  139
- Digital Dry Contact Relay Output (Form C) Module
  140
- 1: Overview
  140
- 2: Communication
  141
- 3: Normal Mode
  141
- Digital Solid State Pulse Output (KYZ) Module
  142
- 1: Overview
  142
- 2: Communication
  143
- 3: Normal Mode
  143
- Digital Status Input Module
  145
- 1: Overview
  145
- 2: Communication
  146
- 3: Normal Mode
  146
10 : Meter with Internal Modem Option (INP2)

147
- Hardware Overview
  147
- Hardware Connection
  147
- Dial-In Function
  148
- Dial-Out Function
  148
11 : Meter with Internal Network Option (INP200)

151
- Hardware Overview
  151
- Network Connection
  152
12 : Flicker and Analysis

155
- Overview
  155
- Theory of Operation
  155
- 1: Summary
  157
- Flicker Setting (Nexus® 1250 Meter and 1252 V-1)
  158
- Flicker Polling Screen
  160
- Logging
  164
- Polling through a Communication Port
  164
- Log Viewer
  164
- Performance Notes
  165
- EN50160/IEC61000-4-30 Power Quality Compliance Analysis
  166
- (Nexus® 1252 Meter with V-2)
  166
- 1: EN50160/IEC61000-4-30 Configuration
  166
- 2: EN50160/IEC61000-4-30 Analysis
  168
13 : Substation 19-Inch Rack Mount Assembly (Nexus 1252 Meter)

171
- Overview
  171
- Features
  171
- Options
  172
- Dimensions
  172
- Installation
  172
- Wiring
  173
- Ordering Information
  173
- Glossary
  175

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