ICS Triplex T8448 Technical Brief

Item Details
Model T8448
Series ICS Triplex Trusted Series
Type TMR zone interface module
Number of Channels 40 channels
Power Supply Backplane supply is 20 – 32 VDC with power consumption of 27W; field supply is 18 – 32 VDC, with a maximum of 2A per channel and 3A per power group.
Operating Environment Operating temperature ranges from 0°C to 60°C; storage temperature ranges from -25°C to 70°C; can work normally under 10% – 95% non-condensing relative humidity.
Electrical Performance The input and off-state impedance is 33kΩ, and the on-state resistance is 1.6Ω; the analog resolution is 12 bits, and the calibration accuracy and safety accuracy are both 0.25V; the turn-on and turn-off delay is 5ms, and the maximum capacitance at 2A is 2800µF.
Isolation Performance Continuous reinforced isolation of 50V between power groups and field common ends; basic fault isolation of 250V between channels in the same power group.
Physical Parameters Dimensions are 266mm (height) × 31mm (width) × 303mm (depth), and the weight is about 1.3kg.
Certifications Complies with IEC 61508 standard and has SIL 3 certification; also has certifications such as ATEX, IECEx, FM and CSA.
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Part number: ICS Triplex T8448
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Description

Key Features

  • Highly Reliable TMR Architecture: It adopts triple modular redundancy technology and a patented “tri-vote” structure. This structure continuously compares three independent processing channels, which can automatically correct faults in any single channel without interrupting the industrial process. It also has a calculated mean time between failures (MTBF) of up to 75 years, ensuring long-term stable operation of the system.
  • Powerful Signal Processing and Diagnostic Capabilities: The module can perform signal conditioning on the input signals of field devices, converting them into signals that the control system can process. It is also equipped with real-time channel health monitoring functions. It can detect and compensate for signal drift in advance through unique “silent channel” technology, and can send early warnings to maintenance teams 72 hours in advance when potential faults are predicted.
  • Strong Environmental Adaptability: It has good resistance to vibration and shock, being able to withstand vibration of 5g at 10 – 500Hz and shock of 30g for 11ms. This enables it to maintain stable performance in harsh industrial environments such as sites with large mechanical vibrations.
    ICS Triplex T8448

    ICS Triplex T8448

Typical Applications

This module is widely used in programmable logic controllers (PLC) and distributed control systems (DCS) in industries such as oil and gas, chemical processing, and power generation. For example, in offshore oil platforms, it can be used as a regional interface unit to connect sensors and actuators in a specific area with the central control system. Its SIL 3 safety level and explosion-proof related certifications can ensure safe signal transmission in flammable and explosive hazardous environments. In chemical plants, it can connect the switch components and detection sensors of reaction equipment, realizing reliable collection and feedback of on-site device status signals, and providing guarantee for the safe operation of the entire production line.

ICS Triplex T8448

ICS Triplex T8448

 Installation and Maintenance Notes

  1. Standardize Installation Position: The module needs to be installed in the I/O module slots of T8100 and T8300. During installation, ensure that the connection with the backplane is firm to avoid poor contact caused by vibration during operation, which will affect signal transmission.
  2. Pay Attention to Power Matching: When configuring the field power supply, it is necessary to strictly follow the standard of 18 – 32 VDC. At the same time, pay attention to the current limit of each channel and power group to prevent damage to the module due to excessive current.
  3. Regular Routine Inspection: Although the module has a high MTBF, it is still necessary to conduct regular inspections on its isolation performance and channel signal transmission accuracy during long-term use. For modules used in environments with frequent temperature changes and severe corrosion, the inspection frequency should be appropriately increased to ensure that the calibration accuracy is not reduced.