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RTU530 product line

Enabling a self-healing grid

RTU530 delivers a new set of features and solutions for the secondary distribution automation segment in addition to many other applications. The device’s highly customizable design enables the adaptation of input and output modules based on application requirements while a robust design and optional conformal coating guarantee a long cycle life. Low power consumption enables a greener installation while optimizing the capacity of UPS batteries.

The new platform builds upon the functionality of the RTU500 series and adds more processing capacity and a faster communication bus. This enables to run out-of-the-box applications such as fault detection, automatic transfer system (ATS), load shedding or fault detection isolation and restoration (FDIR) within your network and integrates seamlessly with fleet management. All come embedded with enhanced cybersecurity features such as secure communication, encryption, and security logging which are part of the DNA of the RTU500 series.

Small and compact

  • Saving up to 41% of installation space on a small panel
  • Din-Rail approach enables easy installation in any environment
  • Modular approach enables customer-specific combination

Easy handling

  • Front connectors facilitate easier installation, maintenance and diagnosis of hardware
  • Optimized License Handling with no additional SD Cards
  • Introduction of Backup and recovery function (Restore, Rollback, Repair)


  • More value to customers: Same strong well-proven features from RTU500 series (including protocol library, PLC, HMI), quality standards, and strong cybersecurity resilience
  • Optimization of components for small RTU with small I/O count

Future proof


  • New main processor with more capacity and faster processing time
  • Offering additional out-of-the-box RTU500 function libraries for specific applications such as Automatic Transfer System (ATS)
  • Integration to network management systems such as Fleet Management 

Self-healing distribution grid

The RTU530 main controller with an integrated predefined algorithm, the modularity of RTU500 components, and the DIN rail communication portfolio of  EDS500 allow simple integration of typical applications into the medium and low voltage grid as follows (image).

Automatic transfer system (ATS)

ATS provides a continuous power supply made possible by a detection function and an automatic switch-over function from the main source to an alternative energy source. The automatic switchover is triggered by the failure of the active main source.

Transformer monitor and control

This consists of simple monitoring of the current flow and fault detection. The application detects long-term or periodical overload stresses and supports in the calculation of the asset’s maintenance plan. Oil temperature and level monitoring allows detailed analyses of the transformer and protects the environment in case of a transformer-leakage. Measuring voltage and current in the feeders allows an automatic tap changer control to maintain voltage within a defined range in the distribution network.

Generator patrol and control

The application fulfills the requirements of a distribution code connecting small scale or mobile power stations to a distribution system. A communication link, automatic speed, power factor, and voltage control are all part of this RTU based application.

Generators are rotating machines that are subject to vibration and heat while running. Monitoring of temperature and unbalance caused by a rotor imbalance and unbalance or overload from the grid helps in evaluating the generator’s lifetime.

Fault detection isolation and restoration

Automatic logic functionality with measurement and fault detectors and motorized switches allows identifying a faulty cable within a short period of time, to isolate the fault, and to restore the supply. This application starts with ATS as a simple reconfiguration functionality and goes up to a high-level solution with peer to peer communication.

  • Electrical distribution network
    • Automation of secondary substation/ring main unit
    • Pole-top switch monitoring and control
    • Capacitor bank automation
    • Demand response management
    • Automation of DER
    • Energy storage
    • Transformer automation and control
    • Building automation
    • Low voltage monitoring and control
    • Power quality supervision
  • Oil and gas application
    • Wellhead automation
    • Pipeline supervision
  • Water distribution network
    • Monitoring and control of pumping stations
    • Monitoring and control of water reservoirs 

The RTU530 can be easily engineered thanks to its easy and intuitive handling. Features like quick tips and drag and drop functionality make the engineering as easy as never before.

RTU530 offers backup and restore function to simplify the functions like rollback and spare part handling locally and from remote.

Lifetime management is supported by SDM600 or customer based asset-/fleet management environment based on script interface

Application RTU530 RTU540 RTU560
Ring main units    
Pole-top RTUs    
Capacitor banks    
Demand response  
Fault detection isolation restoration  
Voltage optimization  
Decentralized energy resources    
Substation automation  
Wellhead automation
Pipeline supervision  
Monitoring and control of pumping stations  
Monitoring and control of lift stations  
Monitoring and control of water reservoirs    
Building automation    
Low voltage monitoring and control    

Get to know more

530CID01 Communication unit
  • 1x Ethernet 10/100 BaseT
  • 3x Serial (2x RS485, 1x RS232)
  • 1x USB configuration interface
  • High speed IO Bus up to 10 IO devices
  • Integrated Flash memory card
  • Integrated IO module with 8 binary inputs and 4 command outputs
  • Integrated power supply unit for 24VDC
530CID02 Communication unit
  • 2x Ethernet 10/100 BaseT
  • 2x Serial (1x RS485, 1x RS232)
  • 1x USB configuration interface
  • High speed IO Bus up to 10 IO devices
  • Integrated Flash memory card
  • Integrated IO module with 8 binary inputs and 4 command outputs
  • Integrated power supply unit for 24VDC
530BID01 Binary input module
  • 16 binary inputs and common return
  • Galvanic isolated via opto coupler
  • 1 LED per input
  • R0001: 24-60 VDC
  • R0002: 110/125 VDC
  • Time stamping: 1 ms
  • Single or double indication
  • Counter inputs
  • Bit string indication (8 bit, 16 bit)
530BOD01 Binary output module
  • 8 command outputs, with relay outputs
  • 1 LED per output
  • Max. Switching voltage: 150 VDC
  • Continuous current: 5A
  • Max. breaking current: 5A @ 30 VDC, resistive load
  • Single or double commands
  • Regulation commands
  • Digital set points (8 bit)
530AID01 Analog input module
  • 8 analog inputs
  • R0001: for mA signals (2.5 mA, 5 mA, 10 mA, 20 mA, 40 mA, unipolar, bipolar)
  • AD converter resolution: 16 bit
  • Automatic zero calibration
  • Accuracy for mA signals: 0.2%
530IOD01 Multi IO module
  • 8 binary inputs (opto coupler) and common return
  • 4 command outputs, with relay outputs
  • 1 LED per in-/output
  • Process voltage 24..60VDC
  • Max. Switching voltage: 60 VDC
  • Continuous current: 5A
  • Max. breaking current: 5A @ 30 VDC, resistive load
  • To monitor 3 switching device and to operated one device (e.g. RMU’s)
  • 2/3/4 wires per channel
  • Resolution: 16 bit
  • Accuracy: Class B with a corresponding sensor
  • Measuring range: -25 °C…150 °C
  • Overrange: -200 °C…200 °C
  • Measuring current: 1 mA

530AOD01 Analog output module

  • 4 analog outputs
  • for mA signals (2.5 mA, 5 mA, 10 mA, 20 mA (4..20 mA), unipolar, bipolar)
  • DA converter resolution: 16 bit
  • Accuracy for mA signals: < 0.2%


530ADD01 input/output adapter

  • DIN rail mounted module for RTU530 extension IO
  • Integrated 24 VDC power supply
  • Up to 10 local IO modules, high speed IO bus
  • Up to 10 different locations
  • Input: RJ45 RS485
  • Output: RJ45 RS485
power plant engineer for substation
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