Invensys Triconex 3511 | High-Frequency Pulse Input Module

Triconex 3511 Pulse Input Module Overview

The 3511 Pulse Input Module from Triconex provides highly sensitive, high-frequency input capability for critical rotating equipment monitoring. This 8-channel module is specifically optimized for use with non-amplified magnetic speed sensors on turbines and compressors. The 3511 delivers precise frequency and RPM measurements with exceptional accuracy and reliability.

Complete Technical Specifications

• Manufacturer: Triconex | Model: 3511 Pulse Input Module
• Product Type: TMR Pulse Input Module for speed measurement
• Input Signals: 8 non-commoned channels for independent monitoring
• Resolution: 16-bit precision for accurate pulse counting
• Accuracy: ±0.01% across 1000 Hz to 20,000 Hz frequency range
• Module Weight: 0.8 kg for robust industrial construction
• Color Code: Light Purple for immediate visual identification

Electrical Characteristics

• Update Rate: 25 milliseconds typical for real-time monitoring
• Input Impedance: Greater than 8 KΩ, typically 20 KΩ load
• Common Mode Range: -100 VDC to +100 VDC peak-to-peak
• Normal Mode Range: 1.5 V to 200 V peak-to-peak input
• Overrange Protection: ±150 VDC continuous protection
• Typical Hysteresis: 150 millivolts for noise immunity
• Current Range: 0-20 mA with 250-ohm shunt capability

Signal Processing Features

• Supported Wave Shapes: Sine, square, pulse, and various waveforms
• Duty Cycle: 10% to 90% operational range
• Frequency Range: 20 Hz to 20,000 Hz comprehensive coverage
• Pulse Count Resolution: 1 microsecond precise timing measurement
• Input Coupling: AC coupled, balanced differential design
• Sensor Compatibility: Optimized for non-amplified magnetic speed sensors

Packaging & Shipping

• Package Contents: One 3511 Pulse Input Module
• Shipping Weight: 1.5 kg including protective packaging
• Shipping Carriers: FedEx, UPS, and DHL express services available
• Packaging Standard: Industrial-grade protective materials
• Documentation: Complete installation and operation manuals

Frequently Asked Questions

• How many input channels does the 3511 module provide?

The module provides 8 non-commoned pulse input channels for independent monitoring.

• What frequency range does the module support?

It supports frequencies from 20 Hz to 20,000 Hz with ±0.01% accuracy.

• What type of sensors is the module optimized for?

It is optimized for non-amplified magnetic speed sensors on rotating equipment.