Teleprotection
E1 (2.048Mbps) plus IEEE C37.94 Optical

Features & Highlights:

• E1 (2.048Mbps) and IEEE C37.94 Optical with 1+1 redundant transmission link, link failure detection and automatic failover feature.
• Unrivalled Speed, Security and Reliability
• Bi-directional transmission of 8 Binary Command Inputs and 8 Binary Command Outputs
• Dual Direction Teleprotection with Teleprotection Command Distribution
• 8 Channels Trip Counter Display and Alarm Extension Unit
• Compact, standard 19-Inch Rack-mountable chassis
• Use in a Standalone, Point-To-Point Application over E1 (2.048Mbps) and IEEE C37.94 transmission links
• Full Duplex Operation, Automatic loop test facility
• User programmable for Direct Tripping, Permissive Tripping and Blocking Protection Schemes (Distance Teleprotection).
• Compliant with IEC 60834-1 and all applicable sections of IEC 60834-2 standards
• SNMPv2 management protocol for management and monitoring
• Available in 24V DC, 48V DC, 110V DC, 220V DC, 250V DC, 110V AC and 220V AC configurations

Network Interface Option

• E1, 2.048Mbps interface over an E1 / SDH link
• IEEE C37.94 optical fiber interface

1+1 Redundant Path Protection / Route Protection Option

• E1, 2.048Mbps and IEEE C37.94 (1+1 redundant) interfaces

Optional - Trip Counter Display Panel and Alarm Extension Unit:

• The Trip Counter Display Panel and Alarm Extension Unit can be installed in conjunction with the Teleprotection unit to to display the count of the “Trip Input Sense” and “Trip Output Initiate” events and to obtain and extend additional alarm outputs to the Sub-Station “Alarm Annunciator” panel.
• 16, (8 Inputs and 8 Outputs) Trip Counter Display Panel to display the count of the “Trip Input Sense” and “Trip Output Initiate” events
• Additionally provides 8 user configurable external dry contact alarm outputs to extend up to 8, separate user assignable alarms
• Each alarm output can be individually assigned to any type of event, including failure of Transmission Link, PSU Failure Alarm, Trip Input Sense / Trip Output Initiate Commands.

Application Diagram:

Teleprotection over an E1 (2.048Mbps) + C37.94 Interface (Redundant)

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