Triconex 3511 Pulse Input Module – 8-Channel High-Speed Monitoring

Product Overview

The Triconex 3511 is a high-performance Pulse Input (PI) Module. It is designed for critical industrial applications. This TMR (Triple Modular Redundant) unit provides eight sensitive, high-frequency input channels. It excels at measuring speed from magnetic transducers on rotating equipment. This includes turbines and compressors. The module ensures maximum data integrity. It uses advanced voting logic across three isolated channels.

Key Features

• High-Speed Precision: Measures pulse counts with 1-microsecond resolution for accurate speed calculation.
• TMR Architecture: Triple Modular Redundant design guarantees operational continuity during single-channel faults.
• Advanced Diagnostics: Provides ongoing per-channel health checks with local status indicators.
• Robust Design: Built to withstand harsh industrial environments with excellent common-mode rejection.
• Hot-Swappable: Supports hot-spare modules for seamless maintenance without system downtime.

Technical Specifications

• Brand: Triconex
• Model Number: 3511
• Module Type: Pulse Input Module (TMR)
• Input Signals: 8 independent, non-commoned channels
• Frequency Range: 20 Hz to 20,000 Hz
• Accuracy: ± 0.01% (between 1000 Hz and 20,000 Hz)
• Resolution: 16 bits
• Input Impedance: > 8 kΩ, 20 kΩ typical
• Common Mode Range: -100 VDC to +100 VDC
• Update Rate: 25 ms typical
• Color Code: Light Purple
• Weight: 3.03 kg

Installation and Maintenance

• Install the module in a compatible Triconex chassis.
• Ensure wiring matches the differential input requirements.
• The module provides PASS, FAULT, and ACTIVE status LEDs for easy visual inspection.
• Fault indicators trigger chassis alarms, simplifying troubleshooting.
• We offer a 12-month quality warranty on all units.

Applications and Shipping

• Ideal for monitoring turbines, compressors, and high-speed rotating shafts.
• Ships globally via FedEx, UPS, or DHL for rapid delivery.

Frequently Asked Questions

• Does this module totalize pulses? No, it is optimized strictly for speed measurement.
• Can it handle sine wave inputs? Yes, it accepts sine, square, and pulse wave shapes.
• What happens if a channel fails? The module continues operation while the Fault indicator activates.

Contact Information

For technical support or inquiries, please contact our team:

• Email: info@oiltechcontrols.com
• Phone/WhatsApp: +86 158 8020 0923

Copyright © 2026 Oiltech Controls Limited. All rights reserved.

Original Source: https://www.oiltechcontrols.com/

All rights reserved.