Overview

The Adapter facilitates easy access to the communication ports of the Trusted Triple Modular Redundant (TMR) Processor (T8110B & T8111) located in the Controller Chassis, designed for use with Distributed Control System (DCS) links and other interfaces. The unit also enables several extended functions on the Trusted TMR Processor, such as:

• Reception of IRIG-B time synchronization signals.
• Enhanced Dual Peer-to-Peer communication capabilities.
• Functionality for the Trusted System to operate as a MODBUS Master.

Specifications

• Power Supply: Powered directly from the Trusted TMR Processor.

• Power Dissipation: 0.1 W

• Isolation:

  • Between Ports: Rear Serial Ports, IRIG Ports, Relay Ports, and Chassis
  • Voltage Rating:
    • 50 V Reinforced (continuous) (1)
    • 250 V Basic (fault) (2)
  • Type Tested: 2436 Vdc for 60 seconds

• Fusing: None

• Ports:

  • Port 1: RS422/485
  • Ports 2 and 3: RS422/485
  • IRIG-B: IRIG-B122 and IRIG-B002 on a single connector

• Temperature:

  • Operating Temperature: 0 °C to +60 °C (+32 °F to +140 °F)
  • Storage Temperature: -25 °C to +70 °C (-13 °F to +158 °F)

• Relative Humidity: 10% – 95%, non-condensing (both operating and storage)

• Environmental Specifications: Refer to the Trusted 8000 - Series B: International Safety & Environmental Approvals, publication ICSTT-TD003.

• Dimensions:

  • Height: 138 mm (5.43 in)
  • Width: 120 mm (4.72 in)
  • Depth: 108 mm (4.25 in)

• Weight: 877 g (1.93 lb)