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Triconex

Invensys Triconex SIS family 3501E Digital Input Module in Stock

SKU 3501E

  • Part Number:

    3501E

  • Manufacturer:

    Triconex

  • Condition:

    Brand New & in Stock

  • Product Type:

    Digital Input Module

  • Origin:

    USA

  • Shipping Detail:

    Fedex and UPS etc

  • Warranty:

    12 months

Frequently inquire Together

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Triconex 3501E Digital Input Module

The Triconex 3501E, also cataloged as the 3501 digital input module, serves as a dedicated hardware interface for 32 point signal acquisition within Triconex fault‑tolerant safety PLC systems.

Hardware Specifications

Parameter Specification
Model 3501E
Brand Triconex
Origin USA
Dimensions 48*45*6cm
Weight 5kg
Operating Temp Not specified
Channels 32 digital input points
Rated Voltage 115 V AC/DC
Isolation Channel‑to‑channel and system isolation
Product Type Digital Input Module
Series Triconex PLC

SIL3 Certification and TMR Architecture

The 3501E integrates into Triconex Triple Modular Redundancy (TMR) architectures, supporting SIL3 safety certification. Each input channel is electrically isolated, ensuring fail‑safe state execution under fault conditions. Galvanic isolation between module channels and system backplane enhances noise immunity and prevents cross‑talk. Redundant pathways allow continuous operation even if one subsystem fails, maintaining deterministic safety logic execution.

Frequently Asked Questions

Q: How many digital inputs are supported? A: The module supports 32 points at 115 V AC/DC.

Q: What isolation features are provided? A: Channel‑to‑channel and system‑level galvanic isolation ensures high noise immunity and fault containment.

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 voltage before energizing the module.
  • Confirm redundancy cabling for TMR configurations to maintain SIL3 compliance.
Related Tags:
Digital Input Module I/O 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...

Contact Information

Customer Reviews

Based on 9 reviews
89%
(8)
11%
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E
Emily
Reliable Performance in Operation

Installed the module in our safety instrumented system, and it has been running flawlessly. Input signals are stable, and performance is consistent under heavy load.

D
David
High Quality Build

The 3501E module is solidly built and feels durable. The connectors and terminals are robust, reflecting Invensys’ high manufacturing standards.

S
Sophia
Fast Delivery, Secure Packaging

Shipping was quicker than expected, and the digital input module arrived in perfect condition. Packaging was sturdy and ensured no damage during transit.

H
Henry
Excellent Service and Support

The customer service team was very responsive and helped confirm compatibility with our Triconex SIS system. Clear communication and professional guidance made the purchase easy.

F
Fatima

We needed a module that could handle variable duty cycles and waveforms. The 3501E delivered. Great build quality, fast shipping, and excellent customer support throughout

12

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