Electro Industries/GaugeTech Nexus 1262 User Manual

Name: Electro Industries/GaugeTech Nexus 1262
Brand: Electro Industries/GaugeTech
Rating: 4 (1 reviews)

288 pages

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Customer Service and Support5
Product Limited Warranty Certificate5
Use of Product for Protection8
Statement of Calibration8
Disclaimer8
Safety Symbols9
Our Focus at Electro Industries/Gaugetech (EIG)10
Table of Contents11
1:Three-Phase Power Measurement19
Three-Phase System Configurations19
1: Wye Connection19
2: Delta Connection22
3: Blondell's Theorem and Three Phase Measurement24
Power, Energy and Demand26
Reactive Energy and Power Factor30
Harmonic Distortion32
Power Quality35
2: Meter Overview37
The Nexus® 1262/1272 Multi-Parameter Revenue Meter37
Accu-Measure TM Technology - Theory of Operation37
Advanced Functionality40
1: Advanced Revenue Billing Capability40
2: Communications and I/O Capabilities42
3: Programmable Display44
4: Additional Switches44
Nexus® 1262/1272 Meter Forms45
Nexus® 1262/1272 Meter Accuracy46
Nexus® 1262/1272 Meter Specifications Overview46
Nexus® 1262/1272 Meter Logging Specifications51
DNP3 Level51
3: Operating Instructions53
Nameplate Information53
Basic Operation56
LCD Display Information58
1: Finding Your Display's Firmware Versions61
Nexus 1262/1272 Programmable Display Navigation Map62
Using the Display Configurator63
Using the Base Programmable Display80
1: Pre-Defined Display Screens82
4: Performing Meter Testing87
Testing Tools88
1: Test Pulse LED88
2: LCD Display89
Test Mode89
1: Entering Test Mode90
2: Using Test Mode90
3: Test Mode Preset Accumulators91
4: Exiting Test Mode95
5: Serial Communication Wiring99
Communication Overview99
Communicating to the Meter through the ANSI Type II Optical100
Port100
RS485 Serial Communication102
1: RS485 Wiring Fundamentals - (Port 1 and Port 4)102
2: Using the Unicom 2500104
3: RJ45 Connection-Meter with INP200 (10/100Baset) Option105
4: Modem/Ethernet Connection-Meter with INP202 (Combo Card) Option106
5: RS485 Connection - Meter to the P40N/P40N+/P41N+/P43N106
LED Display106
6: Communication Ports on the I/O Modules108
7: RS485 Connection-Meter to I/O Modules108
8: Steps to Determine Power Needed111
9: Remote Communication over Telephone Linecommunicatorpqa®S Using the RS485 Port112
10: Programming Modems for Remote Communication113
11: Selected Modem Strings114
12: High Speed Inputs Connection114
13: IRIG-B Connections115
14: Time Synchronization Alternatives118
INP200 Onboard Ethernet119
1: Hardware Overview119
2: Hardware Connection119
INP202 Ethernet/Modem Combination124
1: Hardware Overview124
2: Hardware Connection124
Factory Settings126
6: Hardware Installation127
Socket Meter Installation127
Switchboard Meter Installation132
1: Removing the Meter from the Switchboard Case/Reinstalling the Meter into the Switchboard Case140
Internal Battery Installation and Maintenance147
1: Battery Safety and Disposal149
Mounting the Optional External Displays149
Mounting the Nexus® External I/O Modules152
7: Time of Use Function155
Introduction155
The Nexus® Meter's TOU Calendar155
TOU Frozen and Active Registers156
Updating, Retrieving and Replacing TOU Calendars156
Daylight Savings and Demand157
8: Transformer Loss Compensation159
Introduction159
Nexus® 1262/1272 Meter's Transformer Loss Compensation162
1: Loss Compensation in Three Element Installations163
1: Three-Element Loss Compensation Worksheet164
9: External I/O Modules171
Hardware Overview171
I/O Module Installation173
1: Power Source for I/O Modules173
Using the PSIO with Multiple I/O Modules174
1: Steps for Attaching Multiple I/O Modules175
Factory Settings and Reset Button177
Analog Transducer Signal Output Modules178
1: Overview178
2: Normal Mode179
Analog Input Modules180
1: Overview180
2: Normal Mode181
Digital Dry Contact Relay Output (Form C) Module182
1: Overview182
2: Communication183
3: Normal Mode183
Digital Solid State Pulse Output (KYZ) Module184
1: Overview184
2: Communication185
3: Normal Mode185
Digital Status Input Module187
1: Overview187
2: Communication188
3: Normal Mode188
10: Electrical Installation189
Considerations When Installing Meters189
1: Voltage Fuses192
Blade Configuration for Forms 9S, 36S, and 45S193
Socket Meter Wiring Diagrams194
9S Meter Mounted in S/A Adapter212
SWB3 Switchboard Meter Wiring Diagrams213
11: Legacy Switchboard Meter (Non-SWB3)227
Introduction227
Labels228
Specifications and Dimensions229
Installation232
Wiring Diagrams234
E137370 Retrofit Panel - S1 to M1 Case Retrofit248
12: Meter Calculations251
Measurements and Calculations251
Demand Integrators257
13: en 50160/IEC 61000-4-15 Flicker261
Overview261
Theory of Operation261
1: Summary263
Flicker Setup264
Flicker Polling Screen265
Logging269
Polling through a Communication Port269
Performance Notes270
A: Transformer Loss Compensation Spreadsheet and Examples271
A.1: Calculating Values271
A.2: Excel Spreadsheet with Example Numbers271
Glossary277

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Electro Industries/GaugeTech Nexus 1262 Specifications

General

Brand	Electro Industries/GaugeTech
Model	Nexus 1262
Category	Measuring Instruments
Language	English

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