ICS Triplex T8442 Trusted TMR Speed Monitor Module

Overview
ICS Triplex T8442 is a Trusted series Triple Modular Redundancy (TMR) speed monitoring module, mainly used for speed monitoring and safety protection of rotating machinery. This module is usually used together with the speed monitoring input field terminal component SIFTA to form a complete TMR speed monitoring system. The module serves as the core monitoring unit for critical rotating equipment in industrial high-safety-level scenarios.
Note: SIFTA is a DIN-rail type field wiring component responsible for providing the sensor-side field interface and electrical isolation for the ICS Triplex T8442. The combination of ICS Triplex T8442 and SIFTA achieves a complete speed acquisition chain from the sensor to the control system.
🚀Function & Features
- TMR Architecture and SIL 3 Certification: The ICS Triplex T8442 module contains three independent processors and input channels. The system has been TÜV certified and meets the safety integrity level specified in the IEC 61508 standard.
- Independent Multi-Unit Monitoring: A single T8442 module can monitor up to three independent rotating machines. The protection functions operate independently of the main Trusted processor, providing continuous protection even if the main processor is completely removed.
- High-Speed and High-Precision: The ICS Triplex T8442 supports a measurement range of 0–30,000 Hz with an accuracy of 0.01%. Overspeed protection response time is less than 20 ms, and event sequence recording resolution reaches 1 ms.

Specifications
|
Parameter |
Details |
| Model | ICS Triplex T8442/T8442C |
| Type | Trusted TMR Triple Modular Redundant Speed Monitor Module |
| Belonging System | ICS Triplex Trusted Safety System |
| Input Channels | 9 channels (3 groups of 3, TMR redundant configuration) |
| Sensors | -Active sensors (totem-pole / open-collector output) -Passive sensors (magnetic / inductive) |
| Input Signal Range | -Active input: 5–30 V DC (totem-pole / open-collector) -Passive input: ≥ 50 mV (magnetic, speed-dependent) |
| Speed Measurement Range | 0 ~ 10000 RPM |
| Measurement Error | ≤0.05% full scale |
| SOE Time Resolution | 1 ms |
| Protection Response Time | ≤10 ms |
| Typical Power Consumption | 7.8 W |
| Shock Resistance | 5 g peak, 11 ms duration |
| Dimensions (W×H×D) | 105 mm*123mm* 76mm |
|
Weight |
0.4kg |
Model Comparison
| Model | TMR Architecture | Function | SOE Resolution | Safety Level | Main Difference |
|---|---|---|---|---|---|
| T8442 | Yes | Speed / overspeed monitor | 1 ms | SIL3 | Dedicated rotating machinery speed monitor |
| T8431 | Yes | Analog input module | 1 ms | SIL3 | General analog signal acquisition, no speed measurement |
| T8403 | Yes | Digital input module | 1 ms | SIL3 | Discrete signal input, not for speed probe sensors |
Questions & Answers
💡 FAQ
Q: What is ICS Triplex T8442?
A: It is a Trusted TMR speed monitor module for ICS Triplex SIS safety instrumented systems, used for rotating machinery overspeed protection.
Q: What is the speed measurement range of T8442?)
A: 0 to 10000 RPM with measurement error ≤0.05% full scale.
Q: What is the brand?
A: ICS Triplex(Rockwell)
Q: What is the type?
A: Trusted TMR Speed Monitor Module
Q: What is the warranty?
A: 1 year
Q: Where is the shipping location?
A: Xiamen
Q: What is the payment method?
A: T/T

why choose us?
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Contact us
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Phone Number
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