16 RS485 Communications Installation | GE EPM 6000 specification

CHAPTER 3: INSTALLATION

FIGURE 3–16: RS485 Communications Installation

The EPM 6000 COM2 port can be programmed through the faceplate or with software. The standard RS485 port settings are:

Address: 001 to 247

Baud rate: 9.6, 19.2, 38.4, or 57.6 kbps

Protocol: Modbus RTU, Modbus ASCII, or DNP 3.0

3–20	EPM 6000 MULTI-FUNCTION POWER METERING SYSTEM – USER GUIDE

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GE EPM 6000 Multi-function Power Metering System instruction manual 16 RS485 Communications Installation

Contents

Chapter Page Table of Contents Using the Meter Miscellaneous TOC-4 Description IntroductionHighlights EPM 6000 Highlights Features Universal Voltage InputsCurrent Inputs Utility Peak Demand Measured Values EPM 6000 Measured Values Order Codes OrderingEPM 6000 Order Codes Inputs/Outputs SpecificationsMetering Communications EnvironmentalMechanical Parameters Type Testing Approvals Three-Phase Power Measurement Three-Phase System Configurations Wye Connection Common Phase Voltages on Wye Services Vcn Three-Phase Delta Winding Relationship Delta Connection Blondells Theorem and Three-Phase Measurement Three-Phase, Four-Wire Delta Phasors Phase B Phase C Node n Phase a Electrical Background Power Power, Energy, and DemandEnergy Power Use Over Time Power and Energy Relationship Over Time Demand Energy Use and Demand Intervals Reactive Energy and Power Factor Real, Reactive, and Apparent Power Power Factor Apparent power Harmonic Distortion Harmonics of a Non-Sinusoidal Waveform Inductive and Capacitive Impedance Voltage and Current Monitoring Waveform Capture Power Quality Typical Power Quality Problems Electrical Background Mechanical Installation Dimensions Ansi Installation Steps Ansi and DIN Mounting Panel Cutouts DIN Installation Steps Ansi Mounting Procedure DIN Mounting Procedure Electrical Installation Installation Considerations CT Leads Terminated to Meter CT Leads Pass-Through No Meter Termination Voltage and Power Supply Connections Quick Connect Crimp CT Terminations Ground Connections Voltage Connection Wiring Diagrams 2 Wye, 4-Wire with no PTs and 3 CTs, 3 Element 4-Wire Wye with no PTs and 3 CTs, 3 Element 3 Wye, 4-Wire with no PTs and 3 CTs, 2.5 Element 10 4-Wire Wye with no PTs and 3 CTs, 2.5 Element 4 Wye, 4-Wire with 3 PTs and 3 CTs, 3 Element 11 4-Wire Wye with 3 PTs and 3 CTs, 3 Element 5 Wye, 4-Wire with 2 PTs and 3 CTs, 2.5 Element 12 4-Wire Wye with 2 PTs and 3 CTs, 2.5 Element Delta, 3-Wire with no PTs and 2 CTs 13 3-Wire Delta with no PTs and 2 CTs Delta, 3-Wire with 2 PTs and 2 CTs 14 3-Wire Delta with 2 PTs and 2 CTs Current-Only Measurement Three-Phase Current-Only Measurement Dual-Phase Current-Only Measurement Single-Phase IrDA COM1 Port Communications Setup3 RS485 COM2 Port 16 RS485 Communications Installation Front Panel Interface Faceplate Elements Using the Meter Faceplate Buttons Percentage of Load Bar % of Load Bar Segments Watt-Hour Accuracy Testing Verification EPM 6000 Accuracy Test Constants Overview Configuring the Meter via the Front PanelStart Up Reset Mode and Password Entry Main Menu Using the Meter Using the Meter Changing Settings in Configuration Mode Configuring the Scroll Feature Programming the Configuration Mode Screens Configuring the CT Setting Configuring the PT Setting Value for amps is a product of the Ct-nand the Ct-Svalues Configuring the Connection Setting Configuring the Communication Port Setting Address Using the Meter Operating Mode Operating Mode Parameter Readings Using the Meter Memory Map Description Modbus CommunicationsMemory Map HEX Range Units or Comments THD Block7 Description 1 Format Range 7532 PT denominator Modbus Memory Map Notes Secondary Readings Section Communications Modbus Memory Map Data Formats DNP Point Maps DNP Point MappingDNP Point Mapping Sheet 1 DNP Point Mapping Sheet 2 DNP Point Map Notes Data Link Layer DNP ImplementationTransport Layer Application Layer Following function codes are implemented on the EPM Binary Output Status Object 10, Variation DNP Objects and VariationsControl Relay Output Object 12, Variation 4 32-Bit Binary Counter Without Flag Object 20, Variation 5 16-Bit Analog Input Without Flag Object 30, Variation Class 0 Data Object 60, Variation Internal Indications Object 80, Variation Communications Navigation Maps Introduction Main Menu Screens Main Menu Navigation Operating Mode Screens Operating Mode Navigation Reset Mode Screens Reset Mode Navigation Configuration Mode Screens Release Dates Revision HistoryChanges to the Manual Major Updates for 1601-0215-A2 Warranty GE Multilin Warranty Index Irda Power Supply Wiring