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T8311C

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ICS Triplex T8311C Trusted TMR expander interface module provides the master interface between the controller chassis Inter-Module Bus and the Expander Bus.
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Technical specifications for T8311C

  • Manufacturer:
    ICS Triplex
  • Part Number:
    T8311C
  • Product Family:
    Trusted Triple Modular Redundant
  • Product Type:
    Trusted TMR Expander Interface Module
  • Stock:
    1
  • Backplane (IMB) Supply:
    20 Vdc to 32 Vdc
  • Field Supply:
    N/A
  • Power Dissipation:
    54 W Backplane Supply
  • Module Location:
    T8100 I/O Module Slot
  • Isolation:
    50 V Basic Insulation, Module to Backplane Supply
  • Fusing:
    Not User Serviceable
  • Using TC-301 copper cable:
    30 m
  • Using T8314 Fibre TX/RX Units:
    10 km
  • 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 – Operating and Storage:
    10 % – 95 %, non-condensing
  • Weight:
    1.2 kg
  • Estimated shipping dimensions:
    3x30.2x26.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Scenarios Protection Environment

Features:

  • Triple Modular Redundant architecture enhances fault tolerance and system availability.
  • Comprehensive diagnostics provide rapid fault detection and automatic fault handling.
  • Hot replacement and hot-standby capability simplify maintenance and reduce downtime.
ICS Triplex T8311C enables fault-tolerant communication between the controller chassis and remote Expander Chassis within Trusted systems. Through the Expander Bus and IMB architecture, the module supports the implementation of multiple chassis configurations while preserving high bandwidth communication performance. Communication paths are fully protected through voting mechanisms that localize faults and improve reliability. Such capabilities make ICS Triplex T8311C suitable for demanding industrial control applications.

Designed around a Hardware Implemented Fault Tolerant architecture, ICS Triplex T8311C utilizes Triple Modular Redundant technology arranged in a lock-step configuration. Independent fault containment regions, isolation barriers, and comprehensive diagnostic functions contribute to dependable operation. Front panel indicators provide convenient status information, helping maintenance personnel quickly identify abnormal conditions. Certification to IEC 61508 SIL 3 further supports use in safety-related systems.

Maintenance flexibility is another advantage offered by ICS Triplex T8311C. Hot replacement and spare slot configurations support both automatic and manual repair strategies while minimizing process interruptions. Long-distance communication options through fibre optic units extend installation possibilities for distributed systems. With operation over temperatures from 0 °C to +60 °C and humidity levels up to 95% non-condensing, ICS Triplex T8311C delivers reliable performance across a wide range of industrial environments.

The T8311C ICS Triplex Trusted TMR Expander Interface Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ICS Triplex T8311C Trusted TMR Expander Interface Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
ICS Triplex T8311C Trusted TMR Expander Interface Module Specs

General

  • Manufacturer ICS Triplex
  • Model T8311C
  • Condition New Original ready stock
  • Product Family T8311,T8310C,T8300C
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Offshore Oil and Gas: Deployed on deep-sea drilling platforms for real-time safety signal interconnection between extended racks over long distances.
  • Rail Transit: Used in high-speed rail and subway track interlocking and section block control systems to ensure train operation safety.
  • Large-Scale Hazardous Chemicals: Serves as a distributed safety I/O interface for overpressure relief systems in high-pressure reactors in fine chemical industrial parks.
  • Metallurgical Blast Furnaces: Used for regional distributed explosion-proof isolation control of blast furnace fans and gas recovery systems in steel plants.
  • Redundancy Protection: Provides up to SIL 3 level safety interlocking protection through a triple Module Redundancy (TMR) architecture.
  • Isolation Protection: Supports opto-isolation between backplanes, blocking transient surges up to 2.5 kV from impacting the internal core circuitry.
  • Port Protection: Expansion interfaces have short-circuit and overcurrent protection; a single channel failure will never propagate to adjacent communication links.
  • Fault Tolerance Protection: Combines real-time clock detection and hardware/software voting protection, automatically switching to a safe failure mode in the event of a single point of failure.
  • Wide Temperature Operation: Supports stable full-load operation in industrial-grade wide temperature environments ranging from -5°C to 60°C.
  • Humidity Tolerance: The circuit board is coated with a moisture-proof and insulating conformal coating, allowing for long-term operation in non-condensing relative humidity ranges from 5% to 95%.
  • Vibration and Shock Resistance: Complies with IEC 61131-2 standards, possessing environmental adaptability to withstand high-frequency vibrations and mechanical shocks in industrial environments.
  • Electromagnetic Compatibility: High-strength metal casing shielding design provides strong electromagnetic interference resistance, meeting stringent industrial Class 3 standards.
Description
ICS Triplex T8311C is installed in the Trusted Controller Chassis and serves as the master interface connecting the Inter-Module Bus to the Expander Bus. By using Unshielded Twisted Pair cable connections, the module enables the implementation of multiple chassis systems while preserving the high bandwidth and fault-tolerant characteristics of the IMB. Communication between the interface module and the TMR Processor takes place through the backplane IMB, where all transactions are voted to localize faults if they occur.

Built with Hardware Implemented Fault Tolerant architecture, ICS Triplex T8311C provides Triple Modular Redundant operation with a 3-2-0 fault-tolerant structure. Three main fault containment regions independently manage the interfaces, communication transceivers, control logic, and power supplies. Isolation between fault containment regions prevents failures from propagating, thereby maximizing system availability. A fourth region handles non-critical monitoring and display functions while participating in inter-region Byzantine voting.

Communication with the TMR Expander Processor in the Expander Chassis is established through the triplicated Expander Bus. Each channel contains independent command and response media, and voting at the bus interface ensures tolerance to cable faults. Even if cable failures occur, the remainder of the Expander Processor continues to operate in fully triplicated mode. Using TC-301 copper cable, communication distances of up to 30 m are supported, while T8314 Fibre TX/RX Units extend the distance to 10 km.

ICS Triplex T8311C incorporates extensive diagnostics, monitoring, and testing functions to achieve rapid fault recognition and response. Automatic fault handling reduces unnecessary alarms and improves operating stability. Front panel indicators provide visual information regarding module health and status, allowing maintenance personnel to quickly assess operating conditions. Hot replacement capability and support for hot-standby and spare slot configurations simplify both automatic and manual repair strategies.

Operating from a dual redundant 24 Vdc supply delivered through the controller chassis backplane, ICS Triplex T8311C independently derives the required voltages for each fault containment region. The module supports a backplane supply range from 20 Vdc to 32 Vdc and dissipates 54 W. Installation is performed in a T8100 I/O module slot and requires interconnection through the T8312 Expander Interface Adapter Unit. Certified to IEC 61508 SIL 3 by TϋV, ICS Triplex T8311C is suitable for high-integrity control systems requiring dependable communications and fault tolerance.
Alternative Names
T83IIC T8311 T8300C T8310C T8310 T8314C T8403C T8431C
Technical notes
Engineered to bridge remote safety chassis, the ICS Triplex T8311C delivers galvanic isolation up to 2.5 kV to safeguard critical TMR communication lines against industrial electrical surges.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How does ICS Triplex T8311C communicate with remote Expander Chassis?
Communication is achieved through the Expander Bus using TC-301 copper cable or T8314 Fibre TX/RX Units for longer transmission distances.
Can ICS Triplex T8311C tolerate cable faults?
Voting at the Expander Bus interface allows cable faults to be tolerated while maintaining fully triplicated operation.
Which power range is supported by ICS Triplex T8311C?
The module accepts a backplane supply from 20 Vdc to 32 Vdc and derives internal voltages from dual redundant 24 Vdc sources.
Does ICS Triplex T8311C support online maintenance?
Hot replacement together with hot-standby and spare slot configurations enables maintenance without lengthy interruptions.

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