Product Details
The Triconex 3351 is a high-density analog input module designed for process variable measurement in safety and critical control architectures. Featuring 32 commoned input channels, this module conditions standard 4-20 mA current signals to provide continuous input data to the main processors in safety-instrumented systems.
Signal Processing and Filtering
The module accommodates a nominal input signal range of 4-20 mA DC, with an expanded operational linear range extending from 2 to 22 mA DC. Signal acquisition includes built-in filtering with a 3 dB input bandwidth of 16 Hz, attenuating high-frequency field noise while maintaining an input source impedance of 180 ohms.
Specifications
| Parameter | Specification |
|---|---|
| Model | 3351 |
| Brand | Triconex |
| Product Type | Analog Input Module |
| Input Channels | 32, commoned |
| Nominal Input Current | 4-20 mA DC |
| Operational Current Range | 2-22 mA DC |
| Input Bandwidth (3 dB) | 16 Hz |
| Source Impedance | 180 ohm |
| Weight | 1.5 kg |
| Shipping Weight | 3 kg |
Frequently Asked Questions
Q: What input current ranges are supported by the Triconex 3351 module?
A: The module accepts standard 4-20 mA DC field signals, with an operational measurement range extending from 2 to 22 mA DC.
Q: What filter characteristics are applied to inputs on the 3351 analog input module?
A: Inputs feature a 3 dB bandwidth cutoff frequency of 16 Hz with an input source impedance of 180 ohms to suppress high-frequency line interference.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.
Demystifying Programmable Logic Controllers: Comprehensive Guide to PLC Classification and Selection in Industrial Automation
Modern industrial automation heavily relies on Programmable Logic Controllers (PLCs) to drive factory floor efficiency. Over my 15 years as an industrial automation expert working with DCS, TSI, and control systems, I have seen PLCs evolve into the central nervous system of modern manufacturing. Selecting the right controller requires a deep understanding of PLC types based on physical size, hardware architecture, and power supply configurations.