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Triconex 3721 Analog Input Module

Triconex

Triconex 3721 Analog Input Module

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  • Manufacturer: Triconex

  • Product No.: 3721

  • Product Type: CompactLogix Analog Input Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 170g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Description

The 3721 analog input module delivers precise signal acquisition for critical safety applications within Tricon systems.
It supports multiple input channels, allowing efficient monitoring of voltage and current signals across industrial processes.
Additionally, the 3721 integrates seamlessly with Tricon controllers, ensuring stable data transmission and consistent system performance.
Engineers rely on the 3721 for its high accuracy, durable construction, and long-term operational reliability.

Technical Specifications

Parameter Specification Details
Model Number 3721
Manufacturer Triconex (Invensys / Schneider Electric)
Product Type Analog Input Module
Series Tricon Safety Instrumented System
Input Channels 32 isolated analog input channels
Input Signal Range 0–5 V, 0–10 V, 4–20 mA
Input Resolution High-resolution analog-to-digital conversion
Accuracy ±0.1% of full scale
Sampling Rate High-speed sampling for real-time monitoring
Isolation Protection Channel-to-channel and channel-to-ground isolation
Input Impedance High impedance for voltage inputs
Power Supply Source Powered via Tricon backplane
Power Consumption Optimized for low power operation
Dimensions (H × W × D) Approx. 300 mm × 200 mm × 50 mm
Weight Approx. 1.5–2.0 kg
Operating Temperature 0°C to 60°C
Storage Temperature -40°C to 85°C
Relative Humidity 5% to 95% non-condensing
LED Indicators Channel status and module diagnostics indicators
Interface Connection Type Backplane connector with secure locking mechanism
Component Design Multi-layer PCB with high-density integrated circuits
Cooling Method Passive cooling through chassis airflow
Energy Storage Elements Internal capacitors for signal filtering and transient suppression
Diagnostics Capability Real-time monitoring and fault detection
Redundancy Support Compatible with fault-tolerant Tricon architecture
EMC Compliance Meets industrial electromagnetic compatibility standards
Installation Method Single-slot rack-mounted installation
Maintenance Requirement Minimal due to solid-state design
Application Scope Process control, safety monitoring, and industrial automation systems

 

FAQ

Q1: What is the main function of the 3721 module?
A1: The 3721 module collects and converts analog signals into digital data for processing within Tricon systems.

Q2: How many input channels does the 3721 provide?
A2: The 3721 offers 32 analog input channels, allowing efficient monitoring of multiple field signals simultaneously.

Q3: What signal types does the 3721 support?
A3: The 3721 supports voltage and current signals, including common industrial ranges like 0–10 V and 4–20 mA.

Q4: Does the 3721 include isolation protection?
A4: The 3721 features built-in electrical isolation, which protects signals from interference and ensures measurement accuracy.

Q5: Is the 3721 available for fast delivery?
A5: We supply brand-new original 3721 modules, and we keep stock ready for fast shipment processing.

Return policy

​We aim to provide reliable products and a smooth purchasing experience. If there is a problem with your order, please contact us and we will assist according to our Refund Policy.

Shipping

We provide international shipping options to meet different delivery requirements. Please review details regarding methods and timelines in our Shipping Policy.

Warranty

We provide a 12-month warranty for all products, subject to normal use and proper installation.

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