- Robust hardware design: no
fans, no moving parts, ten-year warranty
Improve reliability with the SEL-1102, which has a predicted Mean Time Between
Failures (MTBF) of at least ten times that of typical computers. An independent
diagnostics watchdog processor improves system availability by detecting
and alarming for problems, detecting system crashes, and restarting the main
processor. Eliminate inverters by using station dc power.
- Wide power supply ranges: 24/48 Vdc; 48/125 Vdc or 120 Vac; and 125/250 Vdc or 120/240 Vac
Wide supply ranges, without external inverters, make the SEL-1102 suitable for multiple applications.
- Reliable
substation operation—meets IEEE C37.90 and IEC 60255
Protective Relay Standards
Install the SEL-1102 in substations instead of desktop and rack-mount computers
designed for controlled office environments. The SEL-1102 is designed for
harsh substation environments and withstands vibration, electrical surges,
fast transients, and extreme temperatures.
- Separate system processor and watchdog microcontroller enhance system performance and availability
An independent watchdog microcontroller complements a choice of Transmeta or Intel® system microprocessors. The microcontroller detects and alarms for problems, detects operating system interruptions, and restarts the system processor.
- Flexible
solution meets value-added resellers’ needs using computer
industry standards
Load your software to meet your needs. The SEL-1102 is compatible with popular
operating systems and software, and includes expansion support for PC-104
and PC-104 Plus cards, optional IDE drives, and memory. Includes two Ethernet
ports, four USB ports, an IRIG-B time input, and IRIG-B time outputs.
- Configurable
Label Simplifies Product Identification
Supports configurable slide-in label for the product
name, allowing you to label it as you see fit.


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for larger view
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- Processor and memory
- Transmeta 733 MHz CPU w/256 MB SDRAM
- Pentium® M 1.1 GHz with 512 MB DDR SDRAM
- Pentium M 1.1 GHz with 1024 MB DDR SDRAM
- Power supply (choose one of three standard power supplies)
- 24/48 Vdc
- 48/125 Vdc or 120 Vac
- 125/250 Vdc or 120/230 Vac
- Primary and secondary Flash drives
- None standard; 512 MB, 1, 2, 4, 6, or 8 GB drive optional
- Serial ports
- 1 port standard; 8 or 16 ports optional
- Rack or panel mount standard

The
SEL-1102 is primarily intended for sale to value-added resellers
(VARs). The value that they add includes installing the operating
system and applications software, and initializing databases
for specific end-user applications. Some end users are internal
integrators, or “super users,” with personnel capable
of installing an operating system and integrating their own systems.
Or, if you are an end user that works with a third-party integrator,
consider specifying SEL-1102 hardware to your integrator.
Install your software in the SEL-1102 hardware for the following example applications
and more.
- Connect a
video monitor, keyboard, and mouse to provide a human-machine
interface (HMI) for alarm annunciation, local indication, control,
and configuration.
- Connect to
communications processors in a substation to convert relay data
to a legacy protocol for a SCADA master. Use data from SEL relays
and other devices instead of lower reliability remote terminal
units.
- Use the SEL-5040
Power System Report Manager to detect, gather, and summarize
relay event reports.
- Gather time-tagged
events from relays and I/O processors to serve as a station-wide
Sequential Events Recorder (SER). Forward data to a system-level
computer for system-wide SER.
- Perform automatic
control.
- Concentrate
data from relays, communications and logic processors, and other
devices; forward information to multiple master data users, for
example, SCADA, EMS, Power Quality, and Equipment Maintenance
systems.
- Install soft-PLC
software for local automatic control.

Budgetary Retail, Quantity 1: $4,100
This price includes a Transmeta 733 MHz system with 256 MB memory and a single serial port. Other hardware options have associated price adders.
(Prices displayed are for planning purposes and are subject to change. Contact your SEL sales representative today for a quote on configurations and quantities to meet your needs.)

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