SEL-2506
Rack-Mount Remote I/O Module
The SEL-2506 Rack-Mount Remote I/O Module has eight digital inputs, eight digital outputs, and a fiber-optic communications port. Connect an SEL-2506 to a fiber-optic port or transceiver on a protective relay to add digital I/O. Or, wire the SEL-2506 I/O to relay I/O to add SEL Mirrored Bits teleprotection.
Starting At
$1,310Protection and Monitoring—Add simple bus protection using contact inputs and outputs from existing relays. Provide secure pilot communications for existing two- and three-terminal line applications. Add local or remote trip- and close-coil monitoring capability.
I/O Contact Expansion—Economically extend the number of I/O contacts on SEL relays that are Mirrored Bits communications-compatible.
Comprehensive Device Compatibility—Add Mirrored Bits communications to any protective relay (digital or electromechanical) or other intelligent electronic devices (IEDs) for advanced communications-based protection.
Enhanced System Reliability—Reduce or eliminate ground potential rise between IEDs by using fiber-optic links instead of conventional switchboard wiring.
Related Materials
Features
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LEDs indicate the input and output status, channel activity, device status, and communications channel health
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Input and output LED labels are userconfigurable
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Connectorized screw terminals accept ring lugs with wires up to #10 AWG
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Level-sensitive contact inputs do not assert during dc grounds when applied to center-grounded systems
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Output contacts are rated for trip and close duty
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Standard serial or V-pin fiber port or optional ST® fiber port
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Alarm contacts signal self-test and communications channel statuses
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Wide-range power supply consumes less than 5 W
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Details
Protection and Monitoring
Add simple bus protection using contact inputs and outputs from existing relays. Add secure pilot communications to existing two- and three-terminal line applications. Add local or remote trip- and close-coil monitoring capability.
User-Configurable Labels
Allow clear indication of system function and status.
Integration
Expand the I/O of SEL relays that are Mirrored Bits-compatible.
Flexible Fiber-Optic Communications
Built-in bidirectional fiber-optic port. Ordering options provide operating ranges from 500 meters to 110 kilometers and compatibility with a variety of SEL fiber-optic transceivers and fiber types (see Table 1).
Safety
Replace control wiring to outside cabinets with fiber-optic cable to eliminate paths for dangerous voltages. All I/O terminals are behind the panel.
Dependability
Use the communications monitoring feature to alarm when fiber-optic control cabling has been damaged, disturbed, or altered. Fiber-optic links are far less susceptible to electrical interference.
Easy Installation and Service
Install the rack-mount, compact two-rack-unit chassis. The SEL-2506 includes screw-terminal connector (STC) blocks for easy replacement of the unit.
Minimum Software Version
Latest Firmware Versions
There are no firmware versions available for this product.
| Product | Revision | Firmware ID | Date Available | Serial Number |
|---|---|---|---|---|
| SEL-2506 | R200 | SEL-2505-R200-D20000919 | 9/19/00 | ~2000263001 |
| SEL-2506 | R101 | SEL-2506HS-R101-D20070412 | 4/12/07 | ~2007102001 |
| R101 is for SEL-2506 with high speed outputs. MOT string: 25060nn5nX | ||||
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
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