ABB REM610The ABB REM610 is a multifunctional motor protection relay in the ABB Relion® 610 series, specifically designed for medium and low-voltage asynchronous motors (500 kW to 2 MW) and applicable in industrial and commercial fields. Its core functions include thermal overload protection, short-circuit protection, earth fault protection, and phase imbalance protection, ensuring the safety of motors during startup, operation, idling, and shutdown cooling. This device is integrated into ABB's substation automation control system and supports seamless integration with relays of the RED 500 series.
Parameters
Basic Parameters
Rated voltage: 220V-660V (AC/DC)
Rated current: 5A-2000A
Operating frequency: 50Hz/60Hz
Protection class: IP40
Communication interfaces: Modbus RTU/ASCII, IEC 61850, DNP3.0, SPA, Profibus, LON, etc.
Dimensions:
Version differences: Some data mention 96×96×144 mm, while others show 120×120×95 mm, which may vary depending on specific models or versions.
Operating temperature range: -20°C to +70°C; -25°C to +55°C
Storage temperature: -40°C to +70°C
Weight: Approximately 0.5 kg; 3.1-3.5 kg
Technical Specifications
Input/output: 4 analog input channels, 8 user-selectable switch input channels
Power supply: Supports 24-250V DC or 40-250V AC auxiliary power supply
Display: 2×16 LCD screen with multi-language interface
Product Features
Core Protection Functions
Thermal overload protection: Based on the IEC 60255 thermal model, supporting cold/hot curve memory to prevent motor damage due to overheating.
Short-circuit and earth fault protection: Provides single-phase, two-phase, or three-phase overcurrent protection and non-directional earth fault protection.
Fault recording module: Records fault status (up to 100 event codes + timestamps) and supports 4 analog inputs and 8 digital inputs.
Intelligence and Communication
Microprocessor technology: Continuously monitors hardware and software status and provides real-time alarms.
Multi-protocol compatibility: Supports protocols such as IEC 61850, Modbus, Profibus, and SPA, enabling seamless integration with DCS and SCADA systems.
Remote control: Communicates with the upper computer via optical fiber or RS-485 interface, supporting wireless or cable connections.
Design and Installation
Plug-in design: Facilitates quick installation and replacement, reducing downtime.
Modular structure: Expandable functions to adapt to complex application scenarios.
Safety features: Short-circuit protection contacts and mechanical coding to prevent incorrect plugging.
Additional Features
Password protection: Users can set an HMI password to prevent misoperation.
Backup battery: Provides redundant power supply for the real-time clock to ensure data accuracy.
Structure and Composition
Hardware Components
Core modules: Microprocessor unit, fault recording module, communication interfaces (optical fiber/RS-485).
Input/output terminals: X2.1-1 to X2.1-4 for phase current input, X4.1-1/2 for auxiliary power interface, and X4.1-3/4 for relay output contacts.
Enclosure: With IP40 protection class, supporting wall-mounted and rack-mounted installation.
Software and Tools
Configuration tools: CAP 501/CAP 505 software for parameter setting.
Diagnostic function: The self-inspection system monitors the device status in real-time and provides fault early warning.
Application Fields
Industrial Field
Manufacturing industry: Motor protection for key equipment such as pumps, fans, mills, and crushers.
Process industry: Application for high-load motors in petrochemical and metallurgical industries.
Power System
Grid substations: Protection for generators, transformers, and cable feeders.
New energy power generation: Suitable for motor control in distributed power sources such as wind energy and solar energy.
Special Environments
Marine and offshore: Certified by DNV, applicable to ships and offshore platforms.
Installation and Maintenance
Installation Steps
Physical installation: Adopting a plug-in design, it can be directly inserted into the switchgear without additional wiring.
Wiring specifications: Refer to the terminal connection diagram in the technical manual (such as X2.1, X4.1, etc.).
Communication configuration: Select optical fiber or RS-485 module according to the protocol, and set the jumper position (plastic/glass optical fiber).
Maintenance Recommendations
Regular inspection: Verify the linkage logic between the relay and the circuit breaker/contactor to ensure timely fault response.
Troubleshooting: Check the event log through the LCD screen to analyze the cause of the fault.
Cleaning and maintenance: Keep the interior of the device clean to avoid dust affecting heat dissipation.
Notes
Environmental requirements: Avoid high-temperature and high-humidity environments (humidity ≤95% without condensation).
Software update: Regularly update the firmware through CAP 501/CAP 505 tools to optimize performance.
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