Compact Remote Terminal Unit for Distribution Automation
Overview
The RTU550E Compact RTU by Arian Kelid Pars is a compact, high-performance Remote Terminal Unit (RTU) designed for monitoring, control, automation, and data acquisition in modern power distribution and industrial automation systems.
Developed using advanced industrial communication technologies, the RTU550E provides reliable connectivity with SCADA, dispatch centers, and automation platforms while maintaining a compact footprint suitable for installations where space is limited.
The RTU550E Compact RTU is engineered for continuous operation in demanding industrial environments, offering high reliability, fast data processing, and secure communication for mission-critical applications.
Intelligent Monitoring & Control
The RTU550E enables comprehensive local and remote monitoring and control of field equipment.
Its advanced processing capabilities allow operators to:
* Acquire real-time field data
* Monitor equipment status
* Control field devices remotely
* Process alarms and events
* Improve operational efficiency
The controller supports seamless integration with modern Distribution Automation (DA) and Smart Grid systems.
Industrial Communication
The RTU550E Compact RTU supports industry-standard communication protocols, making integration with existing utility infrastructure fast and straightforward.
Supported communication interfaces include:
* DNP3
* Modbus
* RS-485
* CAN Bus Communication
The controller is fully compatible with SCADA systems, dispatch centers, and industrial control platforms.
Reliable Performance
Designed for harsh industrial environments, the RTU550E delivers high operational reliability and long-term stable performance.
Its compact design makes it ideal for installations where cabinet space is limited while maintaining full industrial functionality.
Key Features of RTU550E
* Compact industrial design
* High-performance Remote Terminal Unit
* SCADA compatible
* Dispatch Center integration
* DNP3 protocol support
* Modbus communication
* RS-485 communication
* CAN Bus communication
* Remote monitoring and control
* Fast data acquisition and processing
* High operational reliability
* Suitable for power distribution networks
* Stable operation under harsh industrial conditions
* Compliant with IEC and IEEE standards
* Smart Grid compatible
* Easy installation and maintenance
Applications
The RTU550E Compact RTU is ideally suited for:
* Medium-voltage substations
* Distribution Automation (DA)
* Power distribution networks
* Oil & Gas facilities
* Petrochemical plants
* Water & Wastewater utilities
* Power generation plants
* SCADA systems
* Utility dispatch centers
* Industrial monitoring and control
* Smart Grid infrastructure
| No | Parameter | Specification |
| 1 | Model | RTU-550E |
| 2 | Device Type | Compact Remote Terminal Unit (RTU) |
| 3 | Power Supply | +9 ~ 36 VDC |
| 4 | Power Consumption | 3 ~ 5 W |
| 5 | RTC Backup Battery | 3V Coin Cell Type 2032 |
| 6 | Digital Inputs (DI) | 10 Channels (12 ~ 30VDC) |
| 7 | Digital Outputs (DO) | 4 Relay Outputs (2A / 250V) |
| 8 | Analog Inputs (AI) | 2 Channels (0-10V / 0-20mA) |
| 9 | Analog Resolution | 12-bit or 16-bit Optional |
| 10 | Communication Ports | 2 × RS232 1 × RS485 (Auto Flow Control) 1 × 10/100 Ethernet 1 × CANBus |
| 11 | USB Port | Supported for Configuration & Service |
| 12 | Supported Protocols | DNP3 Master/Slave, IEC870-5-101/104 Master/Slave, Siemens S7 Connect Client, Modbus RTU Master/Slave Modbus TCP Client/Server, GSP Client, OPC UA Server (DA, AE, HD), MQTT |
| 13 | SCADA Compatibility | Supported |
| 14 | Processor | 32-bit ARM Cortex A8 @ 1GHz |
| 15 | Flash Memory | 4GB EMMC |
| 16 | RAM | 512MB DDR3 |
| 17 | Expandable Storage | Micro SD Slot up to 32GB |
| 18 | Programming Platform | pbsSoftLogic IEC61131 (Function Block) |
| 19 | Custom Programming | Lua, C++ and Python |
| 20 | Operating System | Embedded Linux |
| 21 | LED Indicators | Power, Run, Net, Error |
| 22 | Mounting Type | DIN Rail / Wall Mount |
| 23 | Enclosure Material | Industrial PC |
| 24 | Operating Temperature | -25°C to +70°C |
| 25 | Storage Temperature | -40°C to +85°C |
| 26 | Humidity | 0 ~ 95% Non-Condensing |
| 27 | Dimensions (W×H×D) | 178 × 116 × 57 mm |