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T8191

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The primary function of the ICS Triplex T8191 is to occupy and protect unused single-width slots, prevent environmental contamination, and maintain the structural, electrical, and thermal integrity of the system.
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Technical specifications for T8191

  • Manufacturer:
    ICS Triplex
  • Part Number:
    T8191
  • Product Family:
    (TMR) Processor
  • Product Type:
    Single Slot Width Shield
  • Stock:
    1
  • Slot Width:
    Single-width slot
  • Vibration Resistance 5 to 8.4 Hz:
    3.5 mm; 8.4 to 150 Hz: 1g
  • Shock Resistance:
    15g, 11 ms
  • ESD Immunity:
    ±6 kV contact / ±8 kV air
  • Surge Immunity:
    ±4 kV DC power / ±4 kV AC power
  • Color:
    Black or gray
  • Material:
    Aluminum or steel, industrial-grade finish
  • Mounting:
    Secure fit into Trusted TMR chassis slot
  • Weight:
    0.8 kg
  • Estimated shipping dimensions:
    16.0 cm × 16.0 cm × 12.0 cm
  • 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 Applications Installation & Integration Operating Environment

Features:

  • Physical Barrier Between the Trusted TMR Chassis Slot and External Contaminants
  • Integrates Environmental Shielding with Single-Width Slot Compatibility
  • Functions Alongside Trusted I/O and Communication Modules
The ICS TRIPLEX T8191 serves as the Single Slot Width Shield in a Trusted TMR chassis, providing reliable physical protection to all modules within the system. It continuously blocks dust, moisture, dirt, and other industrial contaminants from entering the module slot, maintaining a clean internal environment across the rack to support steady-state operation of all monitors and modules. Seamless physical coverage is standard with the T8191, however using it in conjunction with active Trusted modules will ensure complete environmental isolation across the entire chassis configuration. The T8191 has been designed to meet rigorous functional safety standards in addition to incorporating single-width slot compatibility within the Trusted TMR rack.

The T8191 provides essential shielding functions common to the entire rack, and is a critical component of the physical protection path, directly affecting the proper, normal operation of the overall monitor system. One or more T8191 shields are required per rack depending on the number of vacant single-width slots. The T8191 occupies only a single-width slot in the rack and can be installed in any available slot position adjacent to active modules or in empty positions.

For complete chassis protection applications, the Trusted System requires T8191 shield modules installed in all unoccupied single-width slots. In addition to standard adjacent module protection, the shield configuration also performs continuous physical isolation. The Trusted TMR chassis executes environmental protection using the robust metal construction specified in the shield design. Using this method, the shield system continually blocks contaminants from entering the chassis. If the system configuration leaves a slot unoccupied or requires additional protection, installing the T8191 will automatically seal the opening and maintain the required environmental integrity without placing any load on the system power or data bus.

The T8191 ICS TRIPLEX Single Slot Width Shield may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ICS TRIPLEX T8191 Single Slot Width Shield 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 T8191 Single Slot Width Shield Module Specs

General

  • Manufacturer ICS TRIPLEX
  • Model T8191
  • Condition New Original ready stock
  • Product Family T8193,T8170,T8151
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.
  • Slot Blanking: Fills empty single-width spaces in a T8100 controller chassis.
  • Airflow Optimization: Directs cooling air across active safety-critical modules.
  • EMI Protection: Blocks electromagnetic interference from entering open slots.
  • System Integrity: Keeps Safety Instrumented Systems running without disruption.
  • Hot Swappable: Inserts safely while the controller remains powered.
  • Vertical Mounting: Designed for chassis installed in standard vertical orientations.
  • Toolless Fitting: Slides into any empty standard single-width slot.
  • Physical Alignment: Locks securely into place to resist heavy industrial vibrations.
  • Operating Temperature: Ranges from -25°C to +70°C (-13°F to +158°F).
  • Storage Temperature: Ranges from -40°C to +85°C (-40°F to +185°F).
  • Relative Humidity: Sustains 5% to 95% non-condensing environments.
  • Harsh Conditions: Resists corrosive gas when ordered with conformal coating.
Description
The ICS TRIPLEX T8191 is a Single Slot Width Shield designed specifically for the Trusted TMR system chassis. The T8191 serves as a critical physical barrier component within the Trusted platform, constructed from industrial-grade materials to ensure long-term durability in harsh industrial environments. The T8191 features a compact single-width slot design that seamlessly integrates into the Trusted TMR chassis architecture, providing essential environmental protection for adjacent I/O and communication modules.

This shield module T8191 is specifically engineered to address the challenge of protecting sensitive electronic components from dust, moisture, and industrial contaminants within control system enclosures. The T8191 solves the problem of environmental ingress that can compromise module reliability and system integrity in safety-critical applications. By deploying the T8191 between active modules or in empty chassis slots, operators can maintain the required protective barrier without disrupting system airflow or signal pathways, thereby preserving the SIL 3 safety integrity levels mandated by IEC 61508 and EN 50128 standards.

The T8191 finds extensive application across process control industries, mechanical control systems, power generation facilities, and other safety-critical industrial automation domains where high-availability protection is paramount. In Safety Instrumented Systems (SIS) and Distributed Control Systems (DCS) implementations, the T8191 provides reliable physical-layer protection that supports continuous operation in demanding conditions. The T8191 is particularly valuable in oil and gas processing, chemical manufacturing, and nuclear power applications where Trusted TMR platforms require uncompromising environmental shielding to maintain TÜV Rheinland-certified functional safety performance.
Alternative Names
T8I9I T8I91 T819I T8193 T8170 T8151
Technical notes
The ICS Triplex T8191 single-width slot module is engineered to handle critical safety-system vulnerabilities, specifically solving the problems of electromagnetic interference (EMI), accidental human contact with live backplane electronics, and disrupted internal airflow.
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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.
What is the ICS Triplex T8191 Single-Width Slot Shield?
The ICS Triplex T8191 is a high-integrity slot shield designed for the Trusted Triple Modular Redundant (TMR) controller chassis. It is used to occupy unused single-width slots, helping maintain system integrity, environmental protection, and electromagnetic compatibility within safety-critical control systems.
What is the primary function of the ICS Triplex T8191?
The T8191 seals vacant chassis slots to prevent dust, debris, and airborne contaminants from entering the enclosure. It also helps reduce electromagnetic interference (EMI) and electrical noise that could affect adjacent processors and I/O modules.
Why is the ICS Triplex T8191 important in safety systems?
By protecting unused chassis openings, the T8191 helps maintain the reliability and availability of safety-critical systems. It minimizes potential failure points and supports stable operation in environments where uninterrupted performance is essential.
How does the ICS Triplex T8191 support Emergency Shutdown (ESD) systems?
The T8191 helps protect chassis-mounted safety equipment from environmental and electromagnetic disturbances. This contributes to the reliable operation of Emergency Shutdown (ESD) systems, which are critical for personnel and asset protection.

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