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        T8122C

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        The ICS TRIPLEX T8122C Processor Interface Adaptor is a specialized communication interface module designed to connect directly to the rear of a TMR (Triple Modular Redundant) processor.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for T8122C

        • Manufacturer:
          ICS Triplex
        • Part Number:
          T8122C
        • Product Family:
          (TMR) Processor
        • Product Type:
          Processor Interface Adaptor
        • Power:
          0.1 W (from processor)
        • Isolation:
          50 V Reinforced / 250 V Basic
        • Ports:
          3x RS422/485 (Configurable), 1x IRIG-B
        • Termination:
          120 Ω AC termination via links LK1–LK3
        • Serial Standards:
          EIA/TIA-422-B, EIA-485, CCITT V.11
        • Features:
          MODBUS Master, IRIG-B Time Sync, P2P Comm
        • Weight:
          0.6 kg
        • Estimated shipping dimensions:
          30x12.5x6.3cm
        • 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 Use Cases Installation & Integration Operating Environment

        Features:

        • Direct Rear-Mount Serial Communication Gateway Between the TMR Processor and Remote Systems via Three RS422/485 Links
        • Integrated IRIG-B Time Synchronization Signal Connection for Processor Timing Coordination
        • Modbus Master Capability and Peer-to-Peer Communication Support for Trusted Systems
        The T8122C serves as the Processor Interface Adaptor for the Trusted TMR processor, providing serial communication connectivity between the processor and remote systems. It connects directly to the rear of the TMR processor and manages data exchange through three independent serial RS422/485 links, establishing reliable communication pathways for distributed control networks. The T8122C also provides the option of connecting IRIG-B time synchronization signals to the processor, ensuring precise temporal alignment across the safety system. Additionally, the T8122C enables the system to function as a Modbus master, facilitating integration with external supervisory devices. The T8122C has incorporated Peer-to-Peer communication support between Trusted systems as of Trusted Toolset version 3.5, extending interoperability capabilities within distributed architectures.

        The T8122C provides essential communication interface functions for the Trusted TMR processor and is a critical component of the system data path, directly affecting the ability of the processor to maintain reliable data exchange with remote systems and synchronized operation across the overall control infrastructure. One T8122C processor interface adaptor is required per TMR processor to establish the standard rear-panel communication gateway. The T8122C mounts directly to the rear of the TMR processor and occupies only the dedicated processor interface position without requiring additional rack slots.

        For enhanced network integration applications, the Trusted system utilizes the T8122C to establish Modbus master functionality and Peer-to-Peer communications between Trusted systems. In addition to standard remote system interfacing through the three RS422/485 serial links, the T8122C configuration also supports IRIG-B time synchronization signal input to the processor. The T8122C executes these communication and synchronization functions through the dedicated rear-mounted processor interface as specified in the Trusted system architecture. Using this design, the T8122C continually maintains active serial communication sessions between the TMR processor and connected remote equipment. When the system is configured with Trusted Toolset version 3.5 or above, the T8122C automatically activates Peer-to-Peer communication support between Trusted systems and registers the enabled capability within the system configuration.

        The T8122C ICS TRIPLEX Processor Interface Adaptor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        ICS TRIPLEX T8122C Processor Interface Adaptor 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 T8122C Processor Interface Adaptor Specs

        General

        • Manufacturer ICS TRIPLEX
        • Model T8122C
        • Condition New Original ready stock
        • Product Family T8120C,T8121C,T8123C
        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.
        • Modbus Routing: Enables the Trusted safety system to operate as a Modbus Master for querying remote field units.
        • DCS Interfacing: Bridges high-integrity safety logic solvers with Distributed Control Systems for plant-wide data visualization.
        • HMI Monitoring: Forwards real-time processor status parameters to operator control room panels.
        • Safety Telemetry: Funnels diagnostics from Emergency Shutdown and Fire & Gas systems to monitoring stations.
        • SOE Logging: Extracts time-stamped sequence-of-events data down to millisecond accuracy across parallel channels.
        • Chassis Placement: Mounts directly to the rear slot of a Trusted Controller Chassis T8100.
        • Backplane Alignment: Plugs directly into the chassis backplane via integrated multi-pin connector arrays.
        • Wiring Elimination: Eliminates internal system wiring requirements by using direct backplane attachment engineering.
        • Serial Ports: Provides two configurable RS-422/RS-485 ports alongside one dedicated 2-wire serial port.
        • Status Contacts: Integrates hardwired relay connections for active and standby processor diagnostic status tracking.
        • Hot Swapping: Supports live online replacement without interrupting running processor safety logic loops.
        • Conformal Coating: Features specialized chemical coating to resist moisture and harsh airborne industrial contaminants.
        • Thermal Tolerance: Engineered to operate reliably within industrial temperature bands from 0°C to 60°C.
        • Power Source: Draws functional low-voltage power directly from dual-redundant +24 Vdc chassis backplane buses.
        • Fault Isolation: Employs internal opto-isolation infrastructure to protect core processors from field line surges.
        Description
        The ICS Triplex T8122C Processor Interface Adaptor is a communication component designed to connect directly to the rear of a Triple Modular Redundant (TMR) processor. The T8122C serves as a dedicated hardware interface, providing three serial RS422/485 communication links that bridge the TMR processor with external, remote systems. In addition to serial connectivity, the T8122C offers the optional integration of IRIG-B time synchronization signals, ensuring the processor maintains precise, millisecond-level time alignment across the network. Furthermore, this adaptor equips the system with the capability to act as a Modbus master and fully supports Peer-to-Peer communications between Trusted systems starting from Toolset version 3.5. 

        This T8122C Processor Interface Adaptor is specially designed to handle the challenges of secure data segregation, protocol translation, and strict millisecond time-stamping between safety-critical processors and plant-wide management networks. It solves the critical problem of safely exporting high-integrity control data to non-safety remote systems without exposing the primary TMR processor to external communication interference or data lag. For instance, in a specific application scenario such as a Turbo-Machinery Control (TMC) system at a natural gas compression station, the T8122C allows the safety system to seamlessly deliver high-speed diagnostics to a distributed control system (DCS) while simultaneously utilizing IRIG-B to align sequence-of-events recording during a sudden trip.

        The T8122C is widely utilized in heavy industrial fields where safety, reliability, and continuous operations are non-negotiable, including oil and gas production, chemical refining, thermal power plants, and subsea control systems. For installation and integration, the T8122C features a direct plug-in design that secures straight to the back of the TMR processor chassis, which drastically reduces internal panel space and eliminates the need for complex intermediate patch cabling. When planning system upgrades, it is highly recommended to verify that your system is running Toolset version 3.5 or higher before implementing the T8122C, as this software version is required to unlock and utilize the advanced Peer-to-Peer communication features across your safety network.

        Alternative Names
        T8122 T8I22C T8120C T8121C T8123C T8100C
        Technical notes
        The T8122C provides a communications connection interface between the TMR processor and remote systems via three serial RS422/485 links, enabling robust and reliable data exchange in critical control environments.
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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.
        VIEW ALL FAQS
        What problem does the T8122C solve?
        The T8122C is designed to provide secure and stable communication between TMR safety processors and external control or monitoring systems. It also improves time synchronization and supports reliable serial communication in critical industrial environments.
        Where is the T8122C commonly used?
        The T8122C is widely used in oil and gas, petrochemical, power generation, nuclear, and other high-safety industries where reliable communication and SIL-rated systems are required.
        Why is RS422/485 important for the T8122C?
        RS422/485 communication offers strong noise resistance and supports long-distance data transmission, making the T8122C suitable for harsh industrial environments.
        How is the T8122C installed?
        The T8122C mounts directly onto the rear of the TMR processor for compact and secure integration. Proper cable shielding and termination are recommended to maintain communication stability.

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