- With OpManager, you can now monitor your Schweitzer Engineering Laboratories network devices, such as routers, switches, firewalls, and load balancers proactively. ManageEngine OpManager helps you make the best out of your Schweitzer Engineering Laboratories devices.
- The SEL-3390E4 Network Adapter is a PCIe card designed to provide network expansion capabilities for SEL's flexible, robust computer line.
- SEL introduced the world’s first digital relay in 1984, revolutionizing the power protection industry by offering fault locating and other features for a fraction of the cost of earlier systems. In the years since, we have grown and developed a complete line of products and services for the protection, monitoring, control, automation, and metering of electric power systems.
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- April 28, 2015
- Schweitzer Engineering Laboratories, Inc.
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April 28, 2015 - Schweitzer Engineering Laboratories (SEL) added support for the Precision Time Protocol (PTP) to the SEL-2488 Satellite-Synchronized Network Clock. In just one clock, users can now synchronize end devices with submicrosecond accuracy using demodulated IRIG-B and/or PTP. The SEL-2488 can meet all the timing needs of industrial and utility applications.
Driver salaries at Schweitzer Engineering Laboratories can range from $14-$15. This estimate is based upon 1 Schweitzer Engineering Laboratories Driver salary report(s) provided by employees or estimated based upon statistical methods.
In addition to providing IRIG-B and NTP outputs, the SEL-2488 can now serve as a PTP grandmaster clock, supporting both the default profile (IEEE 1588-2008) and the power system profile (IEEE C37.238). The SEL-2488 is capable of synchronizing time for up to four independent networks with a time-stamp accuracy of 100 nanoseconds. Existing users of the SEL-2488 can purchase this as a firmware upgrade.
The SEL-2488 meets and exceeds IEEE 1613 Class 1, an electric transient and interference standard for communications products.
The SEL-2488 offers additional security features, including Satellite Signal Verification in which the clock uses two satellite constellations to validate time signals, providing a layer of protection from GPS spoofing attacks. For fault tolerance, customers can opt for a second, redundant hot-swappable power supply, which can be connected to a second power input source. If GPS is lost, the clock switches to a standard TCXO holdover with 36-microsecond-per-day accuracy or an optional OCXO holdover with 5 microsecond average accuracy. The clock operates over a wide temperature range of –40° to +85°C (–40° to +185°F) and is backed by SEL’s 10-year, no-questions-asked worldwide warranty.
A standard SEL-2488 configuration, including a dual-constellation, high-gain GNSS antenna, retails for $2,700. The PTP firmware upgrade option for existing users costs $1,750.
“Now there’s a choice,” said Shankar Achanta, R&D manager for precise time and wireless networks at SEL. “You can use different timing protocols based on your infrastructure and application needs. The SEL-2488 is the one network clock that can meet all our customers’ timing needs.”
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SEL serves the power industry worldwide through the design, manufacture, supply and support of products and services for power system protection, monitoring, control, automation, communications and metering. For more than 30 years, SEL has provided industry-leading performance in products and services, local technical support, a 10-year worldwide warranty and a commient to making electric power safer, more reliable and more economical.
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