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General| Storage Temperature | -40°C to +85°C |
|---|---|
| Type | Protection Relay |
| Communication Protocols | IEC 61850, Modbus, DNP3, IEC 60870-5-103 |
| Input Voltage | 100-240V AC/DC |
| Current Inputs | 5A or 1A nominal |
| Display | LCD |
| Mounting | Panel mount |
| Operating Temperature | -20°C to +55°C |
| Power Supply | 100-240V AC/DC |
| Voltage | 100-240V AC/DC |
Discusses the two common connections for three-phase power: wye and delta.
Explains the characteristics and common voltages of a wye-connected service.
Describes delta-connected services and their phase-to-phase winding connections.
Explains the principles of polyphase metering based on Blondel's Theorem.
Defines and differentiates between power, energy, and demand measurements.
Discusses reactive power, power factor calculation, and their importance in electrical systems.
Explains harmonic distortion, its causes, and its impact on waveforms.
Defines power quality problems and their common causes and sources.
Provides an overview of the EPM 9450/9650 meter's capabilities in revenue metering and power quality analysis.
Details the features and capabilities of the DNP V.3.00 communication protocol for the meter.
Describes the Flicker evaluation and power quality compliance analysis features.
Explains the functionality of the internal modem option for remote communication.
Details the Ethernet option for web-based access to real-time data.
Lists formulas used for calculating power parameters for Wye and Delta services.
Explains different conventions for averaging demand and peak demand.
Provides order codes and information on available external modules and accessories.
Details the meter's electrical, physical, environmental, and certification specifications.
Provides specifications for the EPM P40NPLUS LED external display.
Provides specifications for the EPM P60N LCD external display.
Details the procedure for upgrading the EPM 9650 meter's software option.
Instructions on how to securely mount the EPM 9450/9650 meter.
Provides mounting instructions for the EPM P40NPLUS LED external display.
Details the mounting procedure for the EPM P60N LCD external display.
Explains how to mount external I/O modules using the provided bracket kit.
Safety precautions and general considerations for installing the meter.
Guidance on correctly wiring voltage and current inputs for accurate measurements.
Procedures for checking and correcting CT connection polarity issues.
Instructions for connecting the meter's separate power source.
Provides various wiring diagrams for different system configurations.
Introduces RS232 and RS485 communication options and their capabilities.
Details the setup and limitations of RS232 communication via Port 1.
Explains RS485 communication for multiple devices and connection details.
Describes connecting the meter with internal modem via RJ11 telephone line.
Details the RJ45 Ethernet connection for network communication.
Overview of communication ports available on the EPM External I/O Modules.
Instructions for connecting multiple EPM meters in series using RS485.
Discusses remote communication methods using modems and different protocols.
Explains the usage of the meter's built-in High Speed Inputs.
Details the connection procedure for IRIG-B time synchronization.
Describes various methods for time synchronization, including IRIG-B and Line Frequency.
Introduces the two available external displays: EPM P60N LCD and EPM P40NPLUS LED.
Provides guidance on operating the EPM P60N touch-screen LCD external display.
Details how to use the EPM P40NPLUS LED external display, including USB port functionality.
Describes the different modes available on the EPM P40NPLUS LED display.
Defines loss compensation and its application in metering.
Explains how the meter performs active and reactive power compensation.
Details the information required from transformer test reports for loss compensation calculations.
Explains the Time-of-Use (TOU) function for energy usage accounting.
Describes how the TOU calendar sets parameters for data accumulation.
Instructions for managing TOU calendars using GE Communicator software.
Details how to enable Daylight Savings Time and set demand intervals.
Describes the components of all EPM External I/O modules.
Provides installation instructions for external I/O modules.
Explains how to use the PSIO power supply with multiple I/O modules.
Details factory settings and the procedure for using the reset button.
Provides specifications for analog transducer signal output modules.
Details specifications for analog input modules.
Specifies the Digital Dry Contact Relay Output (Form C) Module.
Details specifications for the Digital Solid State Pulse Output (KYZ) Module.
Provides specifications for the Digital Status Input Module.
Describes the hardware of the meter with the internal modem option.
Instructions for connecting the meter via RJ11 telephone line.
Explains the dial-in capability for remote access to the meter.
Details the dial-out function for automatic reporting of conditions.
Describes the hardware of the meter with the optional internal network option.
Instructions for establishing a network connection using the Ethernet option.
Introduces Flicker as a visual phenomenon and its measurement.
Explains the theoretical basis and processing steps for Flicker measurement.
Details how to configure Flicker parameters using GE Communicator software.
Describes the functions and readings displayed on the Flicker polling screen.
Explains how Flicker values are logged and can be accessed.
Covers EN50160/IEC61000-4-30 Power Quality Compliance analysis features.
Lists the release dates and major updates for the manual.
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