Electro-Voice 1252 User Manual
Electro-Voice Monitors
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Nexus
1250 /1252
High Performance SCADA Monitor
Electro Industries/GaugeTech
Installation & Operation Manual
Version 1.25
November 13, 2006
Doc # E107706 V1.25
1800 Shames Drive
Westbury, New York 11590
Tel: 516-334-0870
Fax: 516-338-4741
www.electroind.com
“The Leader in Web Accessed Power Monitoring and Control”
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This manual is related to the following products:
Table of contents
Document Outline
- Nexus 1250/1252 Installation and Operation Manual V.1.25 Novemeber 13, 2006
- Warranty
- Table of Contents
- Chapter 1: Three-Phase Power Measurement
- Chapter 2: Nexus Overview
- 2.1: The Nexus System
- 2.2: DNP V3.00 Level 1 and Level 2
- 2.3: Flicker
- 2.4: INP2 Internal Modem with Dial-In/Dial-Out Option
- 2.5: Total Web Solutions
- 2.6: Measurements and Calculations
- 2.7: Demand Integrators
- 2.8: Nexus External I/O Modules
- 2.9: Nexus 1250/1252 Meter Specifications
- 2.10: Nexus P40N, P41N, P43N LED External Display Specifications
- 2.11: Nexus P60N Touch Screen Display Specifications
- Chapter 3: Hardware Installation
- Chapter 4: Electrical Installation
- 4.1: Wiring the Monitored Inputs and Voltages
- 4.2: Fusing the Voltage Connections
- 4.3: Wiring the Monitored Inputs - VRef
- 4.4: Wiring the Monitored Inputs - VAux
- 4.5: Wiring the Monitored Inputs - Currents
- 4.6: Isolating a CT Connection Reversal
- 4.7: Instrument Power Connections
- 4.8: Wiring Diagrams
- Chapter 5: Communication Wiring
- 5.1: Communication Overview
- 5.2: RS-232 Connection - Nexus Meter to a Computer
- 5.3: Nexus RS-485 Wiring Fundamentals
- 5.4: RS-485 Connection - Nexus to a Computer or PLC
- 5.5: RJ-11 Connection - Nexus with Internal Modem to a PC
- 5.6: RJ-45 Connection - Nexus with Internal Modem to Multiple PCs
- 5.7: RS-485 Connection - Nexus to an RS-485 Master
- 5.9: RS-485 Connection - Nexus to P60N Display
- 5.10: Communication Ports on the Nexus I/O Modules
- 5.11: RS-485 Connection - Nexus to I/O Modules
- 5.12: Steps to Determine Power Needed
- 5.13: I/O Modules' Factory Settings with VA Ratings
- 5.14: Linking Multiple Nexus Devices in Series
- 5.15: Networking Groups of Nexus Meters
- 5.16: Remote Communication Overview
- 5.17: Remote Communication - RS-232
- 5.18: Remote Communication - RS-485
- 5.19: Programming Modems for Remote Communication
- 5.20: Selected Modem Strings
- 5.21: High Speed Inputs Connection
- 5.22: Five Modes of Time Synchronization
- 5.23: IRIG-B Connections
- Chapter 6: Using the Nexus External Displays
- 6.1: Overview
- 6.2: Nexus P40N, P41N and P43N LED External Displays
- 6.3: Dynamic Readings Mode
- 6.4: Navigational Map of Dynamic Readings Mode
- 6.5: Nexus Information Mode
- 6.6: Navigational Map of Nexus Information Mode
- 6.7: Display Features Mode
- 6.8: Navigational Map of Display Features Mode
- 6.9: Nexus P60N Touch Screen External Display
- 6.10: Navigational Map for P60N Touch Screen External Display
- Chapter 7: Tranformer Loss Compensation
- Chapter 8: Nexus Time-of-Use
- Chapter 9: Nexus External I/O Modules
- 9.1: Hardware Overview
- 9.2: Installing Nexus External I/O Modules
- 9.3: Using PSIO with Multiple I/O Modules
- 9.4: Factory Settings and Reset Button
- 9.5: Analog Transducer Signal Output Modules
- 9.6: Analog Input Modules
- 9.7: Digital Dry Contact Relay Output (Form C) Module
- 9.8: Digital Solid State Pulse Output (KYZ) Module
- 9.9: Digital Status Input Module
- 9.10: Specifications
- Chapter 10: Nexus Monitor with Internal Modem Option
- Chapter 11: Nexus Meter with Internal Network Option
- Chapter 12: Flicker
- Appendix A: Transformer Loss Compensation Excel Spreadsheet with Examples
- Glossary