ICS T8442C
ICS T8442C
ICS T8442C
ICS T8442C
ICS T8442C
ICS T8442C
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T8442C

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The ICS T8442C speed monitoring module adopts a three-way parallel architecture design, with three independent processing channels running in parallel to ensure that the system can operate safely under any single point of failure.
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Technical specifications for T8442C

  • Manufacturer:
    ICS Triplex
  • Part Number:
    T8442C
  • Product Family:
    Trusted Triple Modular Redundant
  • Product Type:
    Speed Monitor Module
  • Stock:
    6
  • Operating Voltage:
    20V to 32V DC (Nominal 24V DC)
  • Operating Temperature:
    0°C to 60°C (32°F to 140°F)
  • Storage Temperature:
    -40°C to 85°C (-40°F to 185°F)
  • Isolation:
    2500 V impulse withstand opto/galvanic barrier
  • Architecture:
    2-out-of-3 (2oo3) triple voting architecture
  • 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 Use Cases Communication & Connectivity Certifications & Standards

Features:

  • Interface Between Speed Sensors and ICS Triplex Safety Control System Backplane
  • Combines Capability of Speed Signal Processing with Triplicated Redundancy Support
  • Operates in Conjunction with the T Series and Standard ICS Triplex Safety Monitors
The T8442C operates as the Speed Monitor Module in an ICS Triplex safety rack, providing reliable speed monitoring functionality to all modules within the system. It continuously processes incoming speed sensor signals and distributes processed data through the rack backplane to support steady state operation of all safety monitors and modules. Seamless signal processing is standard with the T8442C, however using the inherent Triplicated Architecture will allow seamless operation in the event of a single processing channel failure. The T8442C has incorporated triplicated voting capability within the ICS Triplex safety rack.

The T8442C provides essential speed monitoring functions common to the entire rack, and is a critical component of the safety path, directly affecting the proper, normal operation of the overall safety system. One T8442C module is required per speed monitoring point depending on the desired safety integrity level. The T8442C occupies a standard slot in the rack and is located in the designated monitor positions.

For Triplicated Safety applications, the T8442C utilizes its three independent processing channels operating in parallel. In addition to standard signal processing operation, the triplicated configuration also performs automatic voting. The T8442C triplicated architecture executes fault detection using the internal circuitry specified in the module specifications. Using this method, the triplicated system continually monitors the health of all three channels. If the system detects that one processing channel is no longer providing valid output (outside configured tolerance levels), it will automatically isolate the faulty channel and place an event in the System Event List.

The T8442C ICS Triplex Speed Monitor Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ICS Triplex T8442C Speed Monitor 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 T8442C Speed Monitor Module Specs

General

  • Manufacturer ICS Triplex
  • Model T8442C
  • Condition New Original ready stock
  • Product Family T8442,T8444,T8448C
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.
  • Rotating Machine Protection: Specifically designed to manage three rotating machine groups, providing three TMR speed inputs per group to ensure precise monitoring of turbine or motor speeds.
  • Safety Shutdown Systems: Utilizes "de-energize to trip" relay outputs to automatically initiate shutdowns when speed exceeds safe operational limits.
  • Harsh Industrial Environments: Ideal for oil and gas exploration, power generation, nuclear power, and chemical refining where equipment must withstand extreme temperatures and electromagnetic interference.
  • System Integration: Connects to the Trusted TMR Expander Interface and T8300 Chassis backplane for data exchange with other system modules.
  • Speed Sensor Inputs: Supports both active and passive probe speed inputs, allowing for flexible connectivity with various sensor technologies.
  • Sequence of Events (SOE): Features on-board SOE reporting with a 1 ms resolution, providing high-speed diagnostic data for event analysis.
  • Configuration: Can be managed using the Trusted Configuration Tool, which simplifies the integration and setup process.
  • IEC 61508 SIL 3: According to htechplc.com and innoplcsync.com, the module is TÜV certified for use in Safety Integrity Level 3 applications.
  • Triple Modular Redundancy (TMR): Employs Hardware Implemented Fault Tolerance (HIFT) to meet strict availability requirements.
  • Isolation Standards: Features a 2500 V impulse withstand opto/galvanic isolation barrier to ensure electrical safety between field inputs/outputs.
  • Environmental Ratings: Rated for operation in temperatures from 0°C to 60°C and altitudes up to 2000m without derating.
Description
The ICS T8442C is a speed monitor module specifically designed for high-reliability industrial control applications. The T8442C adopts a triplicated architecture design, with three independent processing channels operating in parallel to ensure the system maintains safe operation under any single-point failure condition. The T8442C triplicated voting mechanism effectively detects and isolates faulty channels, significantly enhancing system availability and safety integrity levels to meet SIL3 requirements.

The T8442C module features conformal coating protection technology, forming a uniform protective film layer on the circuit board surface. The T8442C conformal coating effectively resists erosion from harsh environmental factors such as moisture, dust, chemical corrosion, and salt spray, extending the module's service life in demanding industrial environments. The T8442C is suitable for critical application scenarios with extremely high equipment reliability requirements, including petrochemical processing, power generation, and rail transportation sectors.

The T8442C speed monitor module supports signal input from various speed sensors, enabling precise monitoring of rotating equipment speed status. The T8442C provides configurable alarm thresholds and response logic, executing interlock protection actions according to preset safety strategies when abnormal conditions such as overspeed, underspeed, or speed loss are detected. The T8442C seamlessly integrates with the ICS Triplex safety control system platform to achieve distributed safety monitoring functionality.
Alternative Names
T8442 T8444 T8448 T8448C T8449 T8449C T8451 T8451C
Technical notes
The ICS Triplex T8442C module delivers ultra-fast over-speed and over-acceleration shutdown functions alongside precise onboard Sequence of Events (SOE) reporting with a 1 ms resolution.
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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 operating voltage does ICS Triplex T8442C support?
ICS Triplex T8442C operates from 20 V to 32 V DC, with 24 V DC used as the nominal supply voltage for normal applications.
Can ICS Triplex T8442C operate in high-temperature industrial environments?
ICS Triplex T8442C is designed for ambient temperatures ranging from 0°C to 60°C (32°F to 140°F), making the module suitable for many industrial applications.
Why do engineers select ICS Triplex T8442C for safety-related applications?
Many users prefer ICS Triplex T8442C because the combination of 2oo3 voting architecture and 2500 V isolation contributes to dependable speed monitoring and enhanced system integrity.

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