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Triconex

Invensys Triconex 3511 Pulse Input Module 100% Original New

SKU 3511

  • Part Number:

    3511

  • Manufacturer:

    Triconex

  • Condition:

    Brand New & in Stock

  • Product Type:

    Pulse Input Module

  • Origin:

    USA

  • Shipping Detail:

    Fedex and UPS etc

  • Warranty:

    12 months

Frequently inquire Together

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Triconex 3511 Pulse Input Module

The Triconex 3511, also cataloged as the 3511 pulse input module, serves as a Triple Modular Redundancy (TMR) hardware interface for high‑accuracy pulse signal acquisition in Triconex safety PLC systems.

Hardware Specifications

Parameter Specification
Model 3511
Brand Triconex
Origin Triconex TMR PLC systems
Weight 3.03 kg (shipping weight 4 kg)
Dimensions Standard Triconex rack slot
Operating Temp Industrial ambient range
Power Consumption Supplied via PLC backplane
Module Type Pulse Input Module
Architecture TMR
Input Signals 8 non‑commoned channels
Resolution 16 bits
Accuracy 1000 Hz to 20,000 Hz, ±0.01%
Color Code Light Purple

SIL3 Certification and TMR Architecture

The 3511 integrates into Triconex SIL3‑certified safety architectures using triple modular redundancy (2oo3). Each input channel is electrically isolated, ensuring fail‑safe state execution under fault conditions. Galvanic isolation between module channels and the system backplane enhances noise immunity and prevents cross‑talk. Redundant pathways allow deterministic pulse measurement even if one subsystem fails, maintaining continuous safety logic execution.

Frequently Asked Questions

Q: How many pulse inputs are supported? A: The module supports 8 independent non‑commoned channels.

Q: What resolution is provided for pulse measurement? A: Each channel operates with 16‑bit resolution, enabling precise frequency acquisition.

Q: Is the module compatible with TMR systems? A: Yes, it is designed for integration into Triconex TMR safety PLC architectures.

Field Installation Guidelines

  • Mount securely within Triconex I/O chassis with proper retention.
  • Route input wiring separately from high‑voltage conductors to reduce interference.
  • Ensure shielded cabling is bonded to chassis ground for EMI suppression.
  • Verify input excitation frequency range before energizing the module.
  • Confirm redundancy cabling for TMR configurations to maintain SIL3 compliance.
Related Tags:
I/O Module Pulse Input Module Triconex
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Read next

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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Customer Reviews

Based on 5 reviews
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(4)
20%
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A
Ahmed Khan

The Triconex 3511 exceeded expectations. Input resolution is sharp, and the module status indicators are intuitive. Arrived in perfect condition with full compliance docs

O
Olivia Smith

Fast delivery and flawless performance. We installed it in a HIPPS application and it’s been rock solid. The hysteresis and duty cycle range are perfect for our needs

H
Hiroshi Tanaka

Excellent quality and build. The module handles sine and square wave inputs without distortion. Customer service confirmed compatibility before shipping—very professional

N
Natalia Gomez

We needed high-frequency input for turbine monitoring, and this module nailed it. Delivered in 3 days, securely packed. The diagnostics are clear and easy to interpret

B
Benjamin Lee

The 3511 module arrived ahead of schedule and was factory-sealed. Installation was smooth, and the pulse detection is incredibly accurate. Great support team—very responsive

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