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      SEL-2240

      Axion

      Coming Soon: New SEL-2241 RTAC Module With Greater Processing Power


      The SEL-2240 Axion is a fully integrated, modular input/output (I/O) and control solution for utility and industrial applications, including use as a remote terminal unit (RTU) or ultrarugged programmable logic controller (PLC). With an optional 7-inch color touchscreen display, the Axion is also ideal for application as a bay control unit.

      The Axion combines the communications, built-in security, and IEC 61131 logic engine of the SEL Real-Time Automation Controller (RTAC) family with a durable suite of I/O modules that provide high-speed, deterministic control performance over an EtherCAT network. The SEL-3530-4, SEL-3555, SEL-3560S, and SEL-3560E RTACs and SEL-2241 RTAC Module can all operate as the CPU for an Axion platform. For more information about the RTAC automation platform, its applications, and other available models, visit the RTAC platform page.

      Axion Modules


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      Bay Controller—Combine the scalable architecture of the Axion with a fully integrated, 7-inch touchscreen display and the powerful logic engine of the RTAC for a comprehensive bay control and monitoring solution. Its flexible design allows you to expand the device to control and monitor over a hundred switching devices across multiple substation bays. Customize your bay control unit with a wide selection of I/O modules, single or redundant power supplies, and a compatible SEL-2241 RTAC Module (shipped with R149 firmware or later).

      SEL Advanced Digital Fault Recorder (DFR) Solutions—Use the SEL RTAC and Axion to implement a DFR system with 24 kHz event recording that scales to up to 96 channels. Implement a triggerless solution that supports NERC PRC-002 compliance by continuously recording oscillography data at 3,000 samples per second for ten days or more. In addition, the system captures hundreds of digital input statuses using SEL-2244-2 Digital Input Modules. Retain long-term data using reliable SSD storage in the controller for all fault records, dynamic disturbance records, and Sequence of Events (SOE) records in the substation.

      SCADA RTU—Enable substation reporting and control by using the included serial and Ethernet communications protocols along with Axion I/O modules.

      Synchronized CT/PT Measurements for Advanced Control—Employ synchronized CT/PT measurements from multiple Axion chassis distributed across a substation and from multiple Axion systems for advanced time-deterministic control applications, including load shedding and microgrid control.

      Flexible Synchrophasor Measurement Unit—Apply the Axion as a scalable and distributable phasor measurement unit (PMU). A single RTAC module in the primary Axion node serves IEEE C37.118.1a-2014 synchrophasor data from remote Axion PMU nodes. Remote Axion nodes use the SEL-2245-4 AC Metering Module located at the measurement points.

      IEC 61850 GOOSE Concentrator—Gather a variety of substation I/O with the SEL-2244 Digital I/O Modules, and share the data with IEC 61850 GOOSE messages. Apply the protocol flexibility of the RTAC to concentrate data from non-IEC 61850 relays, and convert these data to GOOSE messages.

      Power Management Integration With Industrial Control System—Provide a powerful gateway between the substation and the factory using EtherNet/IP. This popular industrial protocol facilitates reliable communication between electronic devices in industrial automation systems. Use the RTAC EtherNet/IP adapter to exchange critical data for real-time monitoring, process control, and power system integration.

      SCADA Data Concentrator—Take advantage of multiprotocol support to collect SCADA information and process control commands, and obtain Simple Network Time Protocol (SNTP)/Network Time Protocol (NTP) time synchronization through a single communications link to each Ethernet device.

      Remote I/O Expansion—Increase the number of I/O points with as many as 60 modules or six nodes connected to one resident SEL-2241 RTAC. Through EtherCAT connectivity, provide rapid data acquisition rates to the expanded I/O points within your automation system.

      Event Recording—Record high-accuracy COMTRADE events with the Axion analog modules. Record up to 24 kHz event records with the SEL-2245-4 AC Metering Modules and up to 1 kHz event records from the SEL-2245-2 and SEL-2245-22 DC Analog Modules.

      System Security—Enable encryption for any engineering access channel or SCADA link. Implement system security auditing, logging, and password restrictions to enforce government standards. Use web upload features and project passwords. 

      Industrial Control System and PID Control—Create an ultra-rugged PLC system by combining the standard IEC 61131 logic engine, integrated database, and flexible I/O. Use ladder logic, structured text, or function chart programming for custom control strategies. Support advanced process control strategies by implementing control function blocks, such as proportional integral derivative (PID).

      Substation Battery Monitoring—Monitor substation battery levels and issue alarms using the new SEL-2245-22 DC Analog Input Extended-Range Module.

      EtherCAT Network Topologies—The SEL-2243 Power Couplers provide not only hot-pluggable power supplies, but also fast EtherCAT connections to remote Axion nodes. The power couplers create EtherCAT links in a star network topology, sequential network topology, or combination of both. Apply single or dual power couplers in each Axion node based on connection or redundancy requirements.

      Protocol Gateway—Collect downstream data with client protocols. Then, send these data to an upstream human-machine interface (HMI), RTU, or SCADA master with server protocols, converting the data from one protocol to another in the process.

      Related Materials

      Features

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          Capacitive 7-inch, 800 × 480 color touchscreen with full onscreen keyboard

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          Pushbutton to return to default home screen

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          Front Ethernet port for configuration and maintenance

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          Programmable tricolor LEDs for alert and status information

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          Programmable operator pushbuttons for custom control commands

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          Lamp test pushbutton

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          Diagnostic LEDs

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          Serial activity and user-programmable LEDs.

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          Two independent Ethernet ports, available in either copper or LC fiber, are capable of operating on separate subnets.

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          Four serial ports, software-selectable for EIA-232/EIA-485.

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          Panel wiring harnesses are available to simplify field termination. Choose between 8', 16', and 20' lengths.

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          Optional redundant power supply.

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          All digital inputs are rated for ac and dc operation and time-stamped to 1 ms accuracy.

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          All terminals are clearly numbered for wiring and testing.

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          Choose fast, high-current digital outputs for applications requiring fast action (<50 µs) or interrupting high current (up to 10 A).

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          Indicating LED for each input and output.

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          DC analog inputs are software-selectable for ±20 mA, ±2 mA, or ±10 V input ranges.

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          Measure ac signals with three current and three voltage inputs for recording or protection functions.

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          Self-sourcing dc analog outputs are software-selectable for ±20 mA or ±10 V.

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          Collect synchronized ac measurements (5–400 V, 0–22 A) with an accuracy of 0.1 percent on the SEL-2245-4 AC Metering Module.

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          Use copper or fiber EtherCAT ports to add more Axion nodes.
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          Select from predefined bay screens or configure as many as 25 custom bay screens using the Bay Screen Builder application within acSELerator RTAC. Within the 25 screens, you can control over 100 elements, including breakers, two-position disconnects, and three-position disconnects. You can also view hundreds of analog and digital data in contextual displays.

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          To control a breaker or disconnect switch, simply tap the equipment icon in the bay screen, select a command, and confirm your selection.

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          User authentication is required before issuing commands, providing robust security for device management and control. The full onscreen keyboard allows you to enter required credentials quickly and easily.

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          Access the RTAC’s SOE logs to see informative names that you can customize for your application. The SOE display includes date and time stamps with millisecond accuracy.

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          View important device information, including the SEL RTAC serial number, firmware version, project history, and more.

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          View the Axion module status for each slot and node in the system. The Module Status screen conveniently indicates the operational or alarm status for all slots, including those in remote nodes.

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          Stay informed using alarm functionality for the Axion Bay Controller touchscreen display. Create as many as 25 alarm panels, and customize aspects such as tile color and size, alarm messages, and flash operation. Use the intuitive Axion Bay Controller touchscreen to monitor and manage substation alarms onsite. An alarm summary screen provides a comprehensive overview of unacknowledged or active alarms.

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      Details

      Real-Time Automation Controller (RTAC) with Modular I/O
      The Axion combines the powerful, multifunctional RTAC platform with a durable suite of I/O modules—making it a versatile solution for the most demanding utility and industrial applications. For more information about the RTAC automation platform, its applications, and other available models, visit the RTAC platform page.

      Complete Bay Control and Monitoring
      Control and monitor breakers, switches, and other vital substation assets using a 7-inch color touchscreen. Create up to 25 custom bay screens using the new Bay Screen Builder application in acSELerator RTAC SEL-5033 Software.

      RTU and Programmable Automation Controller (PAC) in a Single System
      The Axion includes I/O, SCADA communications, and control logic support for many industrial and utility applications.

      Synchronized Current and Voltage Measurements
      The Axion CT/PT Module provides time-aligned current and voltage measurements for high-accuracy waveform recording and advanced power control algorithms.

      Top-of-the-Second Synchronized Measurements
      All measurements of the SEL-2245-4 AC Metering Module are synchronized to the top of the second to provide time-aligned data for wide-area control schemes with multiple Axion systems.

      Modular Phasor Measurement Unit
      Stream and process IEEE C37.118.1 compliant synchrophasor messages via the SEL-2245-4 AC Metering Module, which has 4 CT and 4 PT inputs, as well as the SEL-2244-2 Digital Input Module, which has 24 digital inputs.

      Simple Setup With acSELerator RTAC Software
      Build a system quickly, including I/O modules, using standard device templates.

      Flexible I/O Selections
      Choose a custom mix of digital I/O modules that suit the application. Include hundreds of points in a single panel, all connected to a deterministic EtherCAT network.

      Advanced User Authentication and System Security
      Enforce Lightweight Directory Access Protocol (LDAP) user accounts to maintain security perimeter integrity. Apply security corporate logging and port control policies to comply with NERC CIP requirements.

      Deterministic I/O Performance
      The connected I/O is updated at a deterministic frequency; all inputs provide 1 ms Sequential Events Recorder (SER) time stamps.

      More Than SCADA
      The Axion includes industry-standard communications protocols to enable multiple SCADA connections as well as distributed control networks among many stations.

      Networking Options
      Implement I/O networks that use optional fiber-optic cables to provide outstanding signal isolation and flexibility in module placement.

      Protocols
      Concentrate and manage data from new and legacy relays and other IEDs using our extensive set of protocols.

      Minimum Software Version

      Videos

      Pend Oreille Upgrades Substation With Innovative SEL RTAC, Axion, and Cabling Solution

      Video Playlists

      How to Install the SEL-2240 Axion

      • How to Install the SEL-2240 Axion
      • How to Set the SEL-2240 Axion: Configuring an EtherCat Network
      • How to Set the SEL-2240 Axion: Configuring PMU Functionality
      • SEL Axion—How to Set Up MMS Server Protocol, Part 1: Axion Modules and acSELerator Architect Software Configuration
      • SEL Axion—How to Set Up MMS Server Protocol, Part 2: acSELerator RTAC Software Configuration

      RTAC HMI

      • How to Use the RTAC HMI, Part 1: acSELerator Diagram Builder Overview
      • How to Use the RTAC HMI, Part 2: Building a Project
      • How to Use the RTAC HMI, Part 3: Shared Tags

      RTAC Firmware Release Highlights

      • RTAC R153 Firmware Update
      • RTAC R152 Firmware Update
      • SEL RTAC R151 Firmware: New Features and Enhancements

      Digital Fault Recorder

      • How To Configure Continuous Recording on the RTAC
      • How To Configure SEL DFR Solutions

      How to Install the Bay Controller

      • How to Use the SEL Axion Bay Controller
      • SEL Axion Bay Controller: Getting Started
      • SEL-2240 Axion Bay Controller: Bay Screen Builder Integration

      Latest Firmware Versions

      There are no firmware versions available for this product.

      Product Revision Firmware ID Date Available Serial Number
      SEL-2241 R154-V0 SEL-2241-R154-V0-Z000097-D20250326 4/4/25 ~3250940001
      SEL-2241 R153-V2 SEL-2241-R153-V2-Z000125-D20250324 4/4/25 ~3250940001
      SEL-2241 R152-V3 SEL-2241-R152-V3-Z000334-D20250324 4/4/25 ~3250940001
      SEL-2241 R151-V7 SEL-2241-R151-V7-Z000309-D20250324 4/4/25 ~3250940001
      SEL-2241-2 R200-V0 SEL-2241-2-R200-V0-Z000097-D20250326 4/4/25 ~3250940001
      SEL-2245-2 R102-V1 SEL-2245-2-R102-V1- Z001001-D20221201 2/2/23 3230330001
      SEL-2245-22 R102-V1 SEL-2245-22-R102-V1-Z001001-D20221026 11/15/22 3223190001
      SEL-2245-221 R102-V1 SEL-2245-22-R102-V1-Z001001-D20221026 11/15/22 3223190001
      SEL-2245-3 R101-V0 SEL-2245-3-R101-V0-Z001001-D20150123 2/17/15 ~1150480001
      SEL-2245-4 R106-V0 SEL-2245-4-R106-V0- Z001001-D20240411 4/29/24 ~3241200001
      SEL-2245-411 R106-V0 SEL-2245-4-R106-V0- Z001001-D20240411 4/29/24 ~3241200001
      SEL-2245-42 SEL-2245-42-R105-V0- Z001001-D20250320 4/4/25 ~3250940001

      The Firmware IDs for older versions of the firmware can typically be found in Appendix A of the instruction manual.

      Minimum Software Version

      Instruction Manuals

      Sales Resource Central access is required to view the content in this tab.

      Sales Resource Central

      2240 - Software Tab

      Configuration

      acSELerator RTAC SEL-5033 Software

      acSELerator RTAC is an intuitive, easy-to-use application designed to configure the SEL Real-Time Automation Controller (RTAC) family of products, including the SEL-2240 Axion. The software offers a wide range of optional tools, add-ons, and library extensions.

      Learn more and download on the acSELerator RTAC software page..


      RTAC Libraries and Extensions

      A wide range of IEC 61131-based libraries and extensions are available for the RTAC platform. Instructions for libraries and extensions are available in the Programming Reference and via the acSELerator RTAC help menu.

      Learn about the available libraries and extensions on the RTAC platform page.


      acSELerator Diagram Builder SEL-5035 Software

      Diagram Builder is an application that allows users to create and manage visualization projects for the optional web-based HMI designed for SEL Real-Time Automation Controllers (RTACs).

      Learn more and download on the Diagram Builder software page.


      acSELerator Architect SEL-5032 Software

      Architect allows users to configure and document IEC 61850 systems that include GOOSE, Sampled Values (SV), or Manufacturing Message Specification (MMS) communications. Architect automatically compares SCL files with IEC 61850 requirements to ensure standard compliance.

      Learn more and download on the Architect software page.


      acSELerator Bay Screen Builder SEL-5036 Software

      Bay Screen Builder is an integrated application within acSELerator QuickSet SEL-5030 and acSELerator RTAC SEL-5033 Software that lets you create custom bay screens for SEL devices with touchscreen displays. Screens can also be programmed to display current, frequency, voltage values, and other data.

      Learn more and download on the QuickSet software page.

      Automated Data Collection

      SEL Data Management and Automation (DMA) Application Suite

      Available on the Blueframe platform, DMA applications automatically collect, store, and manage device-specific information like oscillography, Sequence of Events (SOE) data, device settings, and property information. They also provide automated password rotation and streamlined device audits.

      Learn more on the DMA software page.

      Visualization & Analysis

      SEL-5601-2 synchroWAVe Event SOFTWARE

      synchroWAVe Event helps engineers diagnose the cause of power system disturbances, including faults. It is a powerful and easy-to-use solution for displaying and analyzing SEL event reports and COMTRADE files.

      Learn more and download on the synchroWAVe Event software page.

      RTAC Supported Protocols Tab

      • Client Protocols
        • CDC Type II
        • Courier
        • CP 2179
        • DNP3 Serial, DNP3 LAN/WAN
        • EtherNet/IP—Explicit Message Client*
        • File Transfer Protocol (FTP)/Secure FTP (SFTP)*
        • Flex Parse
        • IEC 60870-5-101/104
        • IEC 60870-5-103
        • IEC 61850 MMS and MMS Client File Services*,1
        • IEEE C37.118 Synchrophasors
        • LG 8979
        • Modbus RTU, Modbus TCP
        • OPC UA*,2
        • SEL Protocols
        • SES-92
        • Simple Network Management Protocol (SNMP)
      • Server Protocols
        • CDC Type II
        • DNP3 Serial, DNP3 LAN/WAN
        • EtherNet/IP—Implicit Message Adapter*
        • FTP/SFTP
        • IEC 60870-5-101/104
        • IEC 61850 MMS and MMS Server File Services*
        • IEEE C37.118 Synchrophasors
        • LG 8979
        • Modbus RTU, Modbus TCP
        • OPC UA*,2
        • SEL Protocols
        • SES-92
        • SNMP Agent
      • Peer-to-Peer Protocols
        • IEC 61850 GOOSE*
        • Network Global Variable List (NGVL)
        • SEL Mirrored Bits Communications
      • Field Bus Protocol
        • EtherCAT to SEL-2240 Axion I/O Modules*,3

      *Optional feature.
      1Not supported on the SEL-3505 and SEL-3505-3. 
      2Only supported on the SEL-3350 RTAC, SEL-3555, SEL-3560S, and SEL-3560E.
      3Only supported on the SEL-3530-4, SEL-2241, SEL-3350 RTAC, SEL-3555, and 3560E. For the SEL-3555 and SEL-3560E to support EtherCAT, they should be configured to include the SEL-3390E4 expansion card.