Product Short Description
Function Characteristics
- High-Integrity Control Power: 50-300 VDC / 40-265 VAC wide-range power input ensures stable operation across global industrial power systems, with 200 ms non-failsafe trip holdup and 100 ms failsafe trip holdup.
- 12 RTD Temperature Monitoring: 12 built-in RTD inputs directly measure motor winding, bearing, and stator temperatures for precise thermal protection and health assessment, enabling early detection of overheating issues.
- Comprehensive Protection Suite: Delivers overload (thermal model-based), short circuit, ground fault, locked rotor, phase loss/unbalance, undervoltage, overvoltage, underfrequency, and breaker failure protection to cover all critical motor fault scenarios.
- Advanced Metering Capabilities: Metering package provides detailed electrical parameter measurement for performance analysis, energy management, and predictive maintenance, supporting efficient energy usage and cost reduction.
- Profibus DP Integration: P1 option adds Profibus DP communication protocol, enabling seamless integration with industrial automation systems, SCADA, and DCS for centralized monitoring and control.
- Enhanced Diagnostics: Offers enhanced motor diagnostics, extended event recorder, security audit trail, and oscillography for in-depth troubleshooting and root-cause identification, minimizing downtime and improving maintenance efficiency.
- Flexible I/O Configuration: 8 digital inputs and 6 Form-C output relays, customizable to match specific application requirements for control and alarm functions, supporting integration with external interlock and control systems.
- Waveform Capture: Captures voltage and current waveforms at 128 samples per cycle to enable detailed post-fault analysis and root-cause identification, facilitating quick resolution of operational issues.
- Seamless System Integration: Isolated RS-485 (Modbus RTU), RS-232, and Profibus DP ports support integration with industrial control systems, enabling remote configuration, real-time monitoring, and data logging.
- Robust Environmental Tolerance: Operates reliably in extreme temperature ranges (-40°C to +70°C) and withstands vibration, dust, and humidity common in industrial environments, ensuring long-term durability.
Description
Product Introduction
This relay is a flagship digital motor management solution engineered to protect, monitor, and control industrial motors with advanced functionality and robust communication capabilities. It integrates 12 built-in RTD inputs for direct temperature monitoring of motor windings, bearings, and stator, a dedicated metering package for real-time electrical parameter measurement, and Profibus DP protocol interface for seamless integration with industrial automation systems. The relay uses advanced microprocessor technology to deliver full-spectrum protection against electrical and thermal faults, alongside enhanced diagnostics for in-depth motor health assessment. It supports integration with motor control centers (MCCs) and supervisory control systems, maximizing motor uptime, reducing maintenance costs, and ensuring safe, efficient operation in harsh industrial environments. It combines precise fault detection, real-time performance monitoring, and actionable data logging to optimize motor operation and extend service life.
Technical Specifications
| Specification | Details |
|---|---|
| Series | GE Multilin 369 Motor Management Relay |
| Product Type | High-Integrity Motor Management Relay |
| Control Power Supply | HI: 50-300 VDC / 40-265 VAC (50/60 Hz), 20 VA nominal power, 65 VA maximum power |
| RTD Inputs | R: 12 built-in RTD inputs (supports 100Ω platinum, 100Ω nickel, 120Ω nickel, 10Ω copper) |
| Metering Package | M: Metering package included (measures voltage, current, kW, kvar, kVA, PF, Hz, kWh, MWh in real time) |
| Fiber Optic Port | 0: No optional fiber optic port |
| Protocol Interfaces | P1: Profibus DP communication protocol interface (2-wire, 9.6 kbps-12 Mbps baud rate) |
| Harsh Environment Option | 0: No harsh environment upgrade |
| Diagnostics & Faceplate | E: Enhanced diagnostics (enhanced motor diagnostics, extended event recorder, security audit trail) and enhanced faceplate |
| Phase Current Inputs | 5 A nominal (CT-connected); supports 1 A CT with configuration; frequency range 20-100 Hz; True RMS conversion, 1.04 ms/sample |
| Ground Current Input | 5 A nominal (dedicated ground CT input); frequency range 20-100 Hz |
| Voltage Input | Up to 600 V AC (line voltage monitoring for phase-related protection) |
| Operating Frequency | 50/60 Hz (global power system compatibility) |
| Digital Inputs | 8 programmable digital inputs for external control/interlock signals |
| Output Relays | 6 Form-C contacts, rated 5 A at 250 V AC and 0.5 A at 30 V DC |
| Communication Interfaces | Isolated RS-485 (Modbus RTU), non-isolated RS-232 port for local configuration, Profibus DP (P1) for industrial automation integration |
| Operating Temperature | -40°C to +70°C (harsh industrial environment tolerance) |
| Storage Temperature | -40°C to +85°C |
| Enclosure Protection | Front panel IP30; NEMA 1/IP20 when mounted in MCC |
| Dimensions (H x W x D) | 296 mm x 107 mm x 205 mm |
| Weight | 4.5 kg (approximate) |
| Accuracy | Overload trip accuracy ±1% of displayed value; current measurement accuracy ±0.2% of full scale; voltage measurement accuracy ±0.5% of full scale |
| Certifications | UL, CSA, CE compliant; meets IEC 61850, Profibus DP V1 standards |
| Event Recorder | Stores up to 200 fault events with time stamps; enhanced event logging with security audit trail |
| Waveform Capture | Oscillography with 128 samples per cycle for voltage and current waveforms |
Application Scenarios
- Industrial Motor Control Centers (MCCs): Protects and manages motors driving pumps, fans, compressors, conveyors, and mixers in manufacturing plants, ensuring continuous production and reducing downtime.
- Oil and Gas Industry: Safeguards motors in pipeline compressors, wellhead pumps, and refinery process equipment, adapting to high-temperature and remote operating environments, with Profibus DP integration for remote monitoring.
- Power Generation Facilities: Protects auxiliary motors in thermal, hydro, and nuclear power plants, such as boiler feed pumps, cooling tower fans, and condensate pumps, supporting reliable power generation with advanced diagnostics.
- Water and Wastewater Treatment Plants: Shields motors in aerators, sludge pumps, and filtration systems, with robust protection against overloads and phase-related faults in corrosive and humid environments.
- Mining and Heavy Industry: Protects motors in crushers, grinders, and material-handling systems, withstanding vibration, dust, and extreme temperatures common in mining operations, with Profibus DP for integration with mine automation systems.
- Chemical Processing: Ensures motor reliability in agitators, reactors, and transfer pumps, supporting continuous production with precise fault detection and protection, and enhanced diagnostics for predictive maintenance.
- Automotive Manufacturing: Manages motors in assembly lines, paint shops, and material handling systems, with Profibus DP integration for seamless connectivity with factory automation systems, optimizing production efficiency.
Additional Information
- Configuration Software: Compatible with GE Multilin EnerVista 369 software for remote configuration, real-time monitoring, and data logging, supporting Profibus DP parameter setup.
- User Manual: Official user manual (GEK-106613C) provides detailed installation, configuration, and troubleshooting guidelines, including Profibus DP integration steps.
- Warranty: 12-month standard warranty, with extended warranty options available for critical applications.
- Replacement Compatibility: Directly replaces older 369 series relays, with backward-compatible wiring and programming for seamless upgrades, including Profibus DP communication capability.
- Maintenance Requirements: Minimal maintenance; annual calibration of current inputs and software updates recommended to maintain optimal performance; Profibus DP network diagnostics for communication health checks.
- Environmental Compliance: Meets pollution degree II, overvoltage category II requirements for safe and reliable operation in industrial settings.
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