GE SR489-P5-LO-A20-E

I. Overview

II. Parameters

• Model: SR489-P5-LO-A20-E
• Manufacturer: General Electric (GE)
• Series: Multilin 489 series
• Operating voltage: 120-240VAC (20-60VDC)
• Frequency: 50/60Hz
• Control power supply: 20-60VDC, 20-48Vac (90-300VDC, 70-265Vac)
• Analog output: 4-20mA
• Input current: 5A (P5=5A)
• Operating temperature: -20℃ to +70℃
• Protection class: IP20
• Dimensions: 21.6cm x 22.4cm x 25.2cm
• Weight: Approximately 10kg
• Communication interfaces: RS232, RS485, Modbus, etc.
• Display: 40-character LCD display

III. Product Features

• High precision and reliability: Adopts advanced control technology to ensure stable operation under various operating conditions.
• Versatility: Integrates multiple protection functions, such as overcurrent, undervoltage, ground fault, phase reversal protection, etc.
• User-friendly interface: Equipped with a 40-character LCD display, facilitating users to view value messages, diagnostics, and set points.
• Communication interface support: Supports multiple communication protocols (such as Modbus, DNP3, RS232, RS485), making it easy to integrate with SCADA systems and other monitoring devices.
• Modular design: Compact structure, convenient for installation, maintenance, and expansion.
• High security: Equipped with comprehensive protection functions, such as differential protection, loss of voltage protection, overcurrent protection, etc., to ensure the safe operation of the generator.

IV. Structure and Composition

• Display: 40-character LCD display, supporting synchronous dual display and asynchronous dual display.
• Input/output ports: The rear panel contains twelve RTD inputs, six output relays, two RS485 communication ports, and four VT inputs.
• Communication ports: Supports multiple communication protocols such as RS232, RS485, Modbus.
• Analog input/output: Supports 4-20mA analog signal input and output, facilitating integration with other devices.
• Digital inputs: Supports 9 digital input terminals, 2 predefined, and 7 assignable.
• Expansion interfaces: Includes USB ports, PCI-104 slots, and CompactFlash™ slots for multi-functional application expansion.

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