The SEL-3505 is a lower-voltage version of the RTAC with options ranging from 12 Vdc to 24/48 Vdc. This is a compact RTAC that supports DIN- and surface-mounting options and delivers all the standard features of an RTAC, making it an excellent option for protocol conversion and secure communication when space is limited. This model includes an optional internal modem and is ideal for small substations, distributed energy resources (DERs), and recloser applications.
For more information about the RTAC automation platform, its applications, and other available models, visit the RTAC platform page.
Rugged Hardware—The RTAC is designed and tested to meet or exceed IEEE 1613 and protective relay specifications for harsh environments and to withstand vibration, electrical surges, fast transients, and extreme temperatures. The RTAC operates reliably, even in challenging environments. For added protection, you can order conformal coating to protect against harsh environments and airborne contaminants, such as hydrogen sulfide, chlorine, salt, and moisture. Learn more about conformal coating.
Simple, Seamless Configuration—Quickly design an integrated automation system that includes protocol conversion, SCADA communications, IEC 61850 integration, synchrophasors, time synchronization, data management, and programmable logic. New automation tools are continuously being added to simplify complex applications, such as condition monitoring, disturbance fault recording, configuring SCADA point maps, and archiving and alarming for data changes. See the acSELerator RTAC SEL-5033 Software manual for more information on our automation software extensions.
Extensive Protocol Support—Concentrate and manage data from new and legacy relays and other IEDs using our extensive set of protocols. Standard SCADA protocols are included with the purchase of any RTAC, including DNP3, IEC 60870-101/104, Modbus, and many more.
Integrated Security—The RTAC is built with cybersecurity from the hardware up. Exe-GUARD approvelist anti-malware technology provides increased security, making the RTAC the first product in the market to include an approvelist antivirus solution that does not require end-user patch updates. Make the RTAC the secure access point into your substation or plant with a full-featured set of engineering access tools. Authenticate using LDAP or RADIUS central authentication or local role-based user authentication. Restrict users access to the required set of functions to do the job with configurable role-based access control (RBAC). Log user activity in the Sequence of Events (SOE) log, and forward notifications via Syslog. Encrypt critical data and engineering access via Secure Shell (SSH) and Transport Layer Security (TLS). The RTAC enforces authentication and proxies engineering access connections for serial and LAN-connected devices.
Custom Logic—Create your logic solutions in the embedded IEC 61131 logic engine, which comes standard with every automation controller. Build custom user logic and access all system tags, including diagnostics, contact I/O, protocol data, and communications statistics, to provide unparalleled control flexibility.
Built-in accelerometer for intrusion detection
Built-in optical sensor detects opened cabinet door
LEDs simplify diagnostics by indicating transmitted and received activity on each port
Programmable bicolor LEDs
Demodulated IRIG-B input and output for high-accuracy time synchronization
Rugged enclosure withstands EMI, RFI, shock, and vibration
Optional integrated 56 kbps dial-up modem
Wide operating temperature range of –40° to +85°C (–40° to +185°F)
Four EIA-232 serial ports (two EIA-485 software-selectable)
Independent Ethernet ports can be RJ45 or LC fiber
Programmable input, output, and alarm contact
Built-in accelerometer for intrusion detection
LEDs simplify diagnostics by indicating transmitted and received activity on each port
Eight digital input points
Programmable bicolor LEDs
Rugged enclosure withstands EMI, RFI, shock, and vibration
Built-in optical sensor detects opened cabinet door
Wide operating temperature range of –40° to +85°C (–40° to +185°F)
Demodulated IRIG-B input and output for high-accuracy time synchronization
Three serial ports (one in front) are EIA-232/EIA-485 software-selectable
Three programmable Form C binary outputs
Power
Independent Ethernet ports can be RJ45 or LC fiber
The SEL RTAC is a powerful, multifunctional platform designed for the most demanding utility and industrial applications. With precise, deterministic processing, integrated cybersecurity features, and rugged, industrial-grade hardware, the RTAC ensures reliable performance for critical operations, even in the harshest operating environments.
The RTAC platform offers a range of hardware options, extensive protocol support, and an embedded IEC 61131 logic engine for custom programming—making it a versatile solution for a variety of applications, ranging from data concentration and protocol conversion to comprehensive power management and control.
For more information about the RTAC automation platform, its applications, and other available models, visit the RTAC platform page.
Product | Revision | Firmware ID | Date Available | Serial Number |
---|---|---|---|---|
SEL-3505 | R151-V3 | SEL-3505-R151-V3-Z000148-D20230522 | 5/23/23 | ~1231510001 |
SEL-3505 | R150-V5 | SEL-3505-R150-V5-Z000194-D20230522 | 5/23/23 | ~1231510001 |
SEL-3505 | R149-V7 | SEL-3505-R149-V7-Z000121-D20230518 | 5/23/23 | ~1231510001 |
SEL-3505-3 | R151-V3 | SEL-3505-3-R151-V3-Z000148-D20230522 | 5/23/23 | ~1231510001 |
SEL-3505-3 | R150-V5 | SEL-3505-3-R150-V5-Z000194-D20230522 | 5/23/23 | ~1231510001 |
SEL-3505-3 | R149-V7 | SEL-3505-3-R149-V7-Z000121-D20230518 | 5/23/23 | ~1231510001 |
The Firmware IDs for older versions of the firmware can typically be found in Appendix A of the instruction manual.
Sales Resource Central access is required to view the content in this tab.
Sales Resource CentralacSELerator RTAC is an intuitive, easy-to-use Microsoft Windows application designed to configure the RTAC family of products, including the SEL 2240 Axion®.
Learn more and download on the SEL-5033 software page.
acSELerator Diagram Builder is a Microsoft Windows application that allows users to create and manage visualization projects for the optional web-based human-machine interface (HMI) designed for the RTAC platform.
Learn more and download on the SEL-5035 software page.
A wide range of software tools, add-ons, and library extensions are available for the RTAC platform. Instructions for extension libraries are available in the Programming Reference and via the acSELerator RTAC help menu once libraries are downloaded.
The following software options can be added during RTAC hardware configuration.
Option | Details | Dependencies |
---|---|---|
HMI1 | Visualize data and create custom diagrams for real-time monitoring and control. | None |
Network Audit Utilities2 | Scan local area networks (LAN) and provide an audit of devices and communications on the network. | None |
Grid Connect | Control the point of common coupling (PCC) between the utility and renewable power generation sources. | Dynamic Disturbance Recorder, File I/O |
Horizon SVP Plus | Turn the RTAC into a synchrophasor vector processor. Detect the onset of uncontrolled wide-area oscillations with SVPplus modal analysis. | None |
Horizon Power System Model | Resolve synchrophasor data streams using a model of the power system. | File I/O |
Condition Monitoring | Implement condition-based monitoring of power system assets to assist with NERC PRC-005 compliance. | File I/O |
Dynamic Disturbance Recorder | Collect data from within the logic engine to generate Sequence of Events (SOE), time-aligned CSV, and COMTRADE files in the RTAC. | File I/O |
Meter Report Trend Recorder | Record analog data in the RTAC, and send data to acSELerator Team SEL-5045 and acSELerator Meter Reports SEL-5630 Software for analysis. | File I/O |
Report Generator/Email Client | Generate custom reports from data available from the RTAC's logic engine. It is bundled with a fully featured email client that integrates into secure email systems. | File I/O |
FTP Sync | Connect to established S/FTP server infrastructure and automatically push files from the RTAC file system to remote destinations. | File I/O |
File I/O | Read and write files to the RTAC file system. It includes a built-in SFTP/FTP client for sending and receiving files and provides programmatic access to fault and SOE records. | None |
1Not supported on the SEL-3505 and SEL-3505-3
2Only supported on the SEL-3350, SEL-3555, SEL-3560S, and SEL-3560E
Contact Engineering Services for ordering information and additional details about these software options.
Option | Application |
---|---|
Distribution Automation | Fault location, isolation, restoration, and volt-VAR control of distribution feeders |
Ground Fault Detection | Ground fault identification for ungrounded power systems |
Falling Conductor Mitigation | Use synchrophasors to detect and mitigate broken and falling conductor scenarios |
*Optional feature
1Only supported on the SEL-3555, SEL-3560S, and SEL-3560E
2Not supported on the SEL-3505 and SEL-3505-3