TPU-1 – Universal Teleprotection Terminal for HV Lines

Highly flexible configuration for diverse applications. Compatible with IEC 61850 ed 2 standard.

Wide range of line interfaces available for the most usual communication channels.

What’s new?

  1. Complete IEC61850 Ed.2 server
  2. Cybersecurity
  3. A new optical line module with SFP interface
  4. New 2Mbit/s and 64 Kbit/s line interface modules
  5. A new Java-free WEB management system.

Key features

  • Complies with IEC 60834-1 and IEC TS 61000-6-5 standards.
  • Complies with ANSI IEEE C37.90.1 and ANSI IEEE C37.90.2 standards.
  • Compatible with IEC 61850 Ed.2 standard.
  • Capable of managing one or two analog and/or digital line interfaces.
  • Capable of operating as two independent teleprotection terminals in one chassis when equipped with two line interfaces.
  • Intended for blocking, direct and permissive tripping schemes, as well as for telesignaling systems.
  • Capability of command transits for T (Teed-line) and ring line topologies.
  • Analog line interface
    • Number of commands:Up to four
    • Interface: 4-wire / 600 ohms
    • Bandwidth: 2.5 or 4 kHz.
  • Digital line interfaces
    • Number of commands: Up to eight
    • Available interfaces: E1 (G.703.6), 64 kbit/s (G.703, V.11 or V.35 or X.21), C37.94 MM of SM fiber optic (2, 60 or 120km range), Ethernet
  • Possibility of transmitting remote measurements from distributed energy resources (DER) such as wind farms, solar plants, biomass plants and others.
  • Compact 19″/3 s.u. chassis.
  • SNMP V1/V2c/V3 agent.
  • Web management system with LAN connection (HTTPS).
  • Redundant power supply (optional).
  • LCD screen for command counters (optional).
  • Built-in or cabinet-mounted terminal blocks.


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