ABB 520PSD01 1KGT031500R0001 Remote Terminal Unit

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Product Overview

The ABB 520PSD01 (1KGT031500R0001) is a high-performance Remote Terminal Unit (RTU) designed for power systems, industrial automation, and distributed monitoring systems.
It collects analog and digital signals from the field and converts them into digital information, transmitting it to SCADA systems via standard communication protocols (such as Modbus, IEC 60870-5-101/104, DNP3) for remote monitoring, data acquisition, and control.
The 520PSD01 / 1KGT031500R0001 features a compact, industrial-grade design, suitable for use in distribution, substations, factory automation, and energy management systems.

Technical Specifications

Key Features

• High-reliability data acquisition with multiple analog and digital I/Os

• Multi-protocol support: Modbus, IEC 60870-5, DNP3 for easy integration with SCADA and PLC systems

• Real-time remote monitoring via Ethernet or fiber interfaces

• Industrial-grade design: temperature-resistant, vibration-resistant, and interference-resistant

• Modular expansion for analog and digital I/Os

• Easy DIN rail or panel mounting for fast maintenance and replacement

Applications

• Power substations and distribution network monitoring

• Factory automation and production line remote monitoring

• Energy management systems and smart grids

• PLC system remote control and expansion

• Transmission and distribution monitoring and automation systems

• Water treatment, chemical plants, and large industrial facility monitoring

Installation & Handling Notes

• Ensure power supply (24 V DC) and signal type match the device before installation.

• Install the RTU in a dry, ventilated control cabinet to avoid high temperature, humidity, or dust.

• Disconnect power before connecting communication interfaces for safety.

• Regularly check RTU status indicators and communication status.

• Backup program and configuration before module expansion or configuration changes.

• Do not exceed module rated I/O capacity to ensure long-term stability.

The structure and details of the product：

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