The T8151B Trusted Communications Interface (CI) is an intelligent module designed to handle communication services for the Trusted Controller. By managing network traffic independently, it reduces the load on the Triple Modular Redundancy (TMR) processor, ensuring system performance and reliability.
Capacity: Up tofour CI modules can be installed in a single Trusted system
Operating System: Runs the Trusted OS for secure communications
Functionality: Provides secure, dependable communications via high‑performance links
Environmental Ratings
Operating Temperature: –5 °C to +60 °C (23 °F to 140 °F)
Storage Temperature: –25 °C to +70 °C (–13 °F to 158 °F)
Humidity: 5–95% RH, non‑condensing
Altitude: ≤ 5000 m
Electrostatic Discharge Resistance: 4 kV contact, 8 kV air
Electromagnetic Field Resistance: 10 V/m (80–1000 MHz)
Application Scenarios
The T8151B is widely used in oil & gas, petrochemical, power generation, and transportation industries. It enables Trusted controllers to communicate with distributed control systems (DCS), SCADA, and plant networks, ensuring secure integration of safety instrumented systems (SIS).
FAQ
Q: How many communications interfaces can be installed in one Trusted system? A: Up to four T8151B modules can be supported.
Q: Does the module support Modbus? A: Yes, it supports Modbus Slave and optional Modbus Master with the T812X adapter.
Q: What diagnostic features are available? A: It includes a front panel diagnostic port and LED indicators for fault and status monitoring.
