You are here:
- Home
- Product
- I/O Modules
- Digital Input Modules
- Triconex 3511 Trusted TMR Pulse Input Module
SKU: 3511
Triconex 3511 Trusted TMR Pulse Input Module
The Triconex 3511 is a SIL 3-certified Triple Modular Redundant (TMR) pulse input module. Featuring 8 isolated channels and a 20Hz to 20kHz frequency range, it provides high-precision speed and flow monitoring for critical safety applications like turbine overspeed protection and compressor control.
Technical Overview
The Triconex 3511 functions as a high-precision, Triple Modular Redundant (TMR) pulse input module designed for the Tricon safety system. This module actively monitors and processes frequency-based signals from field sensors, such as magnetic pickups, proximity switches, or flow meters. By converting high-frequency pulses into accurate digital values for the main processors, the 3511 ensures the safety system can monitor critical rotational speeds and fluid flows. In essence, it acts as a high-speed frequency analyzer, thereby enabling the system to execute emergency shutdowns (ESD) or overspeed protection sequences with millisecond precision.
Key Features and Specifications
- Manufacturer:Â Triconex (Schneider Electric)
- Product Range:Â Tricon TMR Safety System
- Model Identifier:Â 3511
- Input Channels:Â 8 Isolated Pulse Input Channels
- Frequency Range:Â Supports a wide range from 20 Hz up to 20,000 Hz
- Redundancy:Â Triple Modular Redundant (TMR) internal paths
- Input Voltage:Â Supports various signal levels including 0.6V to 70V peak-to-peak
- Safety Rating:Â Certified for SIL 3 safety-instrumented functions (SIF)
- Diagnostics:Â Comprehensive per-channel and module-level LED status indicators
Application and Reliability
Safety engineers prioritize the Triconex 3511 for demanding applications such as steam and gas turbine overspeed protection, compressor surge control, and high-accuracy flow metering. The module provides the deterministic performance necessary to react to rapid speed changes in milliseconds. In conjunction with its TMR architecture, the 3511 facilitates the integration of diverse sensor types, thereby allowing facilities to standardize their safety hardware across various mechanical assets. Along the same lines, the module complies with strict international safety standards (IEC 61508), ensuring its suitability for high-stakes industrial processes.
Because the module features a ruggedized, slot-in design, it simplifies the hardware installation process and ensures high mechanical stability within the Tricon chassis. Correspondingly, this modularity allows for the creation of flexible safety stations that can scale with plant requirements. Ultimately, the 3511 delivers the stable frequency monitoring and fault tolerance required to prevent catastrophic mechanical failures, thus safeguarding both personnel and expensive industrial infrastructure. In summary, this pulse input module serves as a critical and reliable interface for any high-speed safety-critical application.
You may also like
The Triconex 7400207-001 (MP2101) is a SIL 3 certified Main Processor Baseplate designed for TMR safety systems. It provides the essential infrastructure for triple-redundant logic execution and hot-swappable module support in critical industrial environments like oil, gas, and power generation.
Triconex 8110 High-Density Main Chassis
The Triconex 8110 is the primary High-Density Main Chassis for Tricon TMR safety systems. It provides the essential backplane for triple-redundant processors and I/O modules, featuring 6 expansion ports and a 4-position security keyswitch for SIL3-rated industrial safety applications
Triconex DO3201 Digital Output Module
The Triconex DO3201 is a TMR (Triple Modular Redundant) digital output module designed for the Triconex Safety System. It features SIL3 certification from TÜV Rheinland and provides fault-tolerant control for emergency shutdown and critical safety applications in high-risk industrial environments.
Triconex 3806E Triple Modular Redundant Analog Output Module
The Triconex 3806E is a TMR Analog Output module providing SIL 3 rated performance for critical industrial control. Featuring 4-20 mA and 20-320 mA support, it ensures high-precision signal accuracy and fault-tolerant operation in DCS and SIS environments. This module includes advanced self-diagnostics and channel isolation for maximum system reliability
Triconex 3006 Enhanced Main Processor Module
The Triconex 3006 is a high-performance Main Processor Module designed for the Tricon Triple Modular Redundancy (TMR) system. It delivers superior fault tolerance and logic execution for safety-critical applications in oil, gas, and power industries. This module supports redundant communication and comprehensive self-diagnostics to ensure maximum process uptime and SIL 3 compliance
Triconex 8311 Power Supply High Density Module
The Triconex 8311 is a high-density, TMR-compatible power supply module designed for maximum system availability. It delivers stable, redundant power in a compact 2.6kg form factor. Engineered for SIL 3 safety systems, this module provides the rugged reliability and hot-swap capabilities required for mission-critical industrial automation and emergency shutdown systems
Triconex 3601E Digital Output Module
The Triconex 3601E is a 16-point, 115 VAC Digital Output Module designed for TMR safety systems. It features full optical isolation, SIL 3 certification, and advanced 2oo3 voting logic. This 2.04kg industrial-grade module ensures maximum safety integrity and fault-tolerant operation for critical actuators in high-voltage environments.
Triconex 3008 Main Processor
The Triconex 3008 is a high-performance TMR Main Processor designed for mission-critical safety systems. It features advanced 2oo3 voting logic, integrated self-diagnostics, and seamless DCS integration. This 2.06kg module delivers the deterministic speed and fault-tolerant reliability required for SIL 3 certified emergency shutdown and critical control applications.
Triconex 3721 TMR Analog Input Module
The Triconex 3721 is a 32-point TMR Analog Input Module providing SIL 3 safety for industrial processes. Features Triple Modular Redundancy and 0-5VDC support
Triconex 9771-210 Analog Input Terminal Board
The Triconex 9771-210 is a high-performance analog input terminal board designed for Tricon v9–v10 systems. It provides reliable signal termination for safety-critical DCS applications, featuring a robust design for harsh industrial environments and integrated diagnostics for enhanced system availability.
Triconex 9662-110 External Termination Panel (ETP) for Tricon Systems
The Triconex 9662-110 is a professional External Termination Panel designed for Tricon v9–v10 systems. This ruggedized modular panel facilitates secure field-to-I/O connectivity, ensuring high-integrity signal processing for safety-instrumented applications in harsh industrial environments.
Triconex SDO3411 S2 Supervised Digital Output Module
The Triconex SDO3411 S2 is a 16-point TMR supervised digital output module designed for SIL 3 safety-instrumented systems. Featuring advanced loopback diagnostics and a fault-tolerant quadruplicated voting design, it ensures maximum reliability for critical emergency shutdown and fire protection applications.























