Triconex 3511 Pulse Input Module | 8-Channel TMR

Triconex 3511 Pulse Input Module

The Triconex 3511 is a highly sensitive pulse input module for critical speed monitoring applications. This TMR module provides 8 non-commoned inputs optimized for magnetic speed sensors on rotating equipment like turbines and compressors.

Technical Specifications

• Input channels: 8 non-commoned pulse inputs
• Resolution: 16 bits with 1μs timing accuracy
• Frequency range: 20 Hz to 20,000 Hz
• Accuracy: ±0.01% (1000-20,000 Hz)
• Update rate: 25 ms typical
• Input impedance: >8 kΩ (20 kΩ typical)
• Weight: 3.03 kg

Input Characteristics

• Common mode range: -100 to +100 VDC peak-to-peak
• Normal mode range: 1.5V to 200V peak-to-peak
• Overrange protection: ±150 VDC continuous
• Hysteresis: 150 mV typical
• Wave shapes: Sine, square, pulse
• Duty cycle: 10% to 90%
• Current range: 0-20 mA with 250Ω shunt

Key Features

• TMR (Triple Modular Redundant) architecture
• Three isolated input channels for data integrity
• Hot-spare module support for high availability
• Comprehensive diagnostics per channel
• Light purple color coding for easy identification
• Optimized for magnetic speed sensors

Diagnostics & Indicators

• Per-point input status indicators
• Module status: PASS, FAULT, ACTIVE
• Channel-level fault detection
• Chassis alarm activation on faults

Application Notes

• Designed for rotating equipment speed measurement
• Ideal for turbines, compressors, and pumps
• AC-coupled, balanced differential inputs
• No totalization capability - optimized for RPM measurement

Shipping & Delivery

• Product: Triconex 3511 Pulse Input Module
• Weight: 3.03 kg
• Shipping carriers: FedEx, UPS, DHL
• Same-day shipping available

FAQ

• Input type? - 8 non-commoned pulse inputs
• Frequency range? - 20Hz to 20kHz
• Redundancy? - TMR with triple isolated channels
• Hot-swap capable? - Yes, supports hot-spare modules

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