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Triconex

Triconex 3721 Analog Input Module New Surplus

SKU 3721

  • Part Number:

    3721

  • Manufacturer:

    Triconex

  • Condition:

    Brand New & in Stock

  • Product Type:

    Input Module

  • Origin:

    USA

  • Shipping Detail:

    Fedex and UPS etc

  • Warranty:

    12 months

Frequently inquire Together

100% Genuine Stock, 24/7 Service

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Analog Input Module Specifications

Model Number: 3721

  • Voltage: 0 to 5 VDC or -5 to +5 VDC, + 6%
  • Type: TMR, AI
  • No. of Input Points: 32 differential, DC-coupled
  • Isolated Points: Yes
  • Input Update Rate: 10 ms
  • Resolution: 12 bits or 14 bits (programmable)
  • Accuracy: < 0.15% of FSR from 0° to 60°C
  • Input Resistance (load): 10 MΩ (DC), min.
  • Power-Off Resistance: 140 kΩ (DC), typical
  • Common Mode Rejection: -85 dB (DC - 100 Hz)
  • Common Mode Range: -12V to +12V peak
  • Leg-to-Leg Isolation: 420 kΩ, typical
  • Normal Mode Rejection:
    • @ 23Hz: -3 dB
    • @ 60Hz: -8 dB
    • @ 120Hz: -14 dB
  • Input Overrange Protection: 150 VDC/115 VAC continuous
  • Current Range: 0-20 mA with 250 Ω shunt resistor
  • Diagnostic Indicators: Module Status (PASS, FAULT, ACTIVE, FIELD)
  • Color Code: Yellow
Related Tags:
Digital 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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L
Lucas Moretti

The module’s precision and common-mode rejection are top-tier. We’ve seen improved control stability since installation. Service team was responsive and knowledgeable

J
Jing Li

I was impressed by the input isolation and overrange protection. It’s clearly built for harsh environments. Arrived ahead of schedule with full compliance paperwork

O
Omar Farouk

We needed high-resolution analog input for a critical safety system. The 3721 delivered. Real-time response is sharp, and the triple redundancy gives us peace of mind. Customer support was excellent

S
Sarah Mitchell

Super fast delivery—only two days via FedEx. The module was brand new, exactly as described. It’s now running flawlessly in our SIS rack. Great service and documentation

K
Kevin Huang

The Triconex 3721 arrived in pristine condition. Packaging was professional and multi-layered. We installed it in a petrochemical control loop—input accuracy and stability are outstanding

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