Technical Specifications of T8151B

Manufacturer: ICS Triplex (now part of Schneider Electric)

Part Number: T8151B

Model Name: Trusted Communications Interface

Description: Communications Module for Trusted TMR System

Supply Voltage Range: Accepts 20 to 32 Vdc

Power Consumption: Consumes 10 Watts maximum

Ethernet Ports: Provides 2 dual Ethernet ports for network redundancy

Serial Ports: Includes 4 serial ports for legacy device connections

Diagnostic Port: Front panel serial diagnostic port for troubleshooting

Status Indicators: Front panel fault and status indicators for quick checks

Protocol Support: Modbus Slave with optional Modbus Master capability

Optional Feature: Sequence Of Events (SOE) over Modbus available

Processor Adapter: Requires T812X Trusted Processor Interface Adapter for Master mode

Certifications and Approvals

Ordinary Locations: Certified for general industrial use

Hazardous Locations (HazLoc): Approved for hazardous area installations

ATEX: Compliant with European explosion protection standards

IECEx: Certified for international explosive atmospheres

Key Features and Benefits

Trusted Operating System: Runs the proven Trusted OS for maximum reliability.

Dual Ethernet Ports: Provides redundant network connections for fault tolerance.

Four Serial Ports: Connects multiple legacy serial devices simultaneously.

Wide Protocol Support: Works with Modbus and many other communication protocols.

High Performance Links: Delivers secure and dependable data transfer.

Modbus Slave Standard: Communicates with any Modbus master device out of the box.

Optional Modbus Master: Adds master capability with the T812X adapter.

Optional SOE Support: Captures sequence of events over Modbus for diagnostics.

Front Panel Diagnostics: Serial port and LEDs simplify troubleshooting.

Installation and Configuration Guide

Mount the T8151B in a Trusted TMR system chassis. Connect a 20-32 Vdc power supply to the module terminals. The module draws a maximum of 10 Watts during operation. Connect the dual Ethernet ports to your redundant plant network. Use the four serial ports for legacy device communications. For Modbus Master operation, install the T812X Trusted Processor Interface Adapter. Enable the optional SOE feature through software configuration. Use the front panel diagnostic port for local troubleshooting. Monitor the fault and status indicators for module health. Follow all ATEX and IECEx guidelines for hazardous area installations.

Package Contents

One ICS Triplex T8151B Trusted Communications Interface module.

Product documentation and quick start guide.

No cables or connectors are included with the module.

Frequently Asked Questions (FAQ)

Q: Can the T8151B work as a Modbus master without additional hardware?
A: No, the T8151B requires the T812X Trusted Processor Interface Adapter for Modbus Master mode.

Q: What is the purpose of the dual Ethernet ports?
A: The dual ports provide network redundancy. If one network fails, the second keeps communications active.

Q: Is the T8151B suitable for hazardous area installations?
A: Yes, the T8151B holds ATEX and IECEx certifications for hazardous locations.

Q: How do I check the module status without software?
A: Look at the front panel fault and status indicators. They show power, communication activity, and fault conditions.

Q: What voltage range does the T8151B accept?
A: The module accepts any DC voltage from 20 to 32 Vdc. The typical operating voltage is 24 Vdc.