Doc# E107706 TOC-2
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Table of Contents
4.9: Wiring Diagrams 4-8
4.10: Extended Surge Protection for Substation Instrumentation 4-18
5: Communication Wiring 5-1
5.1: Communication Overview 5-1
5.2: RS232 Connection (Port 1) 5-4
5.3: RS485 Communication 5-4
5.3.1: RS485 Connection 5-7
5.3.2: Connection to an RS485 Master (Unicom or Modem Manager) 5-7
5.3.3: Using the Unicom 2500 5-8
5.3.4: RS485 Connection to the Nexus® P40N+ External Display 5-9
5.4: RJ11 (Telephone Line) Connection—Nexus® Meter with Internal
Modem Option (INP2) to a PC 5-10
5.5: RJ45 Connection—Nexus® Meter with Internal Network Option
(INP200) to multiple PCs - 10/100BaseT 5-10
5.6: Communication Ports on the Nexus® I/O Modules 5-10
5.6.1: RS485 Connection—Nexus® Meter to Nexus® I/O Modules 5-11
5.6.2: Steps to Determine Power Needed 5-11
5.7: Linking Multiple Nexus® Meters in Series 5-13
5.8: Remote Communication Overview 5-14
5.8.1: Remote Communication—RS232 5-14
5.8.2: Remote Communication-RS485 5-15
5.8.3: Programming Modems for Remote Communication 5-15
5.8.3.1: Selected Modem Strings 5-17
5.9: High Speed Inputs Connection 5-17
5.10: IRIG-B Connections 5-18
5.11: Time Synchronization Alternatives 5-20
6: Using the External Displays 6-1
6.1: Overview 6-1
6.2: Nexus® P40N/P40N+, P41N+ and P43N+ LED External Displays 6-1
6.2.1: Connect Multiple Displays 6-6
6.2.2: Nexus® P40N/P40N+ Display Modes 6-6
6.3: Dynamic Readings Mode 6-7
6.4: Navigation Map of Dynamic Readings Mode 6-11
6.5: Nexus® Information Mode 6-12
6.6: Navigation Map of Nexus® Information Mode 6-13
6.7: Display Features Mode 6-14
6.8: Navigation Map of Display Features Mode 6-16
7: Transformer Loss Compensation 7-1
7.1: Introduction 7-1
7.2: Nexus® 1250/1252 Meter's Transformer Loss Compensation 7-4
7.2.1: Loss Compensation in Three Element Installations 7-5
7.2.1.1: Three-Element Loss Compensation Worksheet 7-6
8: Time-of-Use Function 8-1
8.1: Introduction 8-1
8.2: The Nexus® Meter's TOU Calendar 8-1
8.3: TOU Prior Season and Month 8-2
8.4: Updating, Retrieving and Replacing TOU Calendars 8-2
8.5: Daylight Savings and Demand 8-3
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