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Triconex 3706A Thermocouple Input Module
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Detail
- Product NameTriconex 3706A Thermocouple Input Module
- Item NO.3706A
- Weight2.2000 kg = 4.8502 lb = 77.6027 oz
- CategoryDCS> Triconex
- BrandSchneider
- Creation Time2026-11-04
- Triconex 3706A thermocouple input module. 32 thermocouple input points.Product dimensions: 2.2 × 40.8 × 40 cm
TRICONEX / TRICON
3706A
Thermocouple Input Module
32 thermocouple input points.
High-density temperature conversion.
TRICON
PRODUCT PROFILE
Thermocouple input points
32 differential, DC-coupled
Input update rate
50 ms maximum
Converted data format
16-bit signed integer
THERMOCOUPLE / LINEARIZATION / TEMPERATURE DATA
32 thermocouple input points. High-density temperature conversion.
Contact info
LET’S DISCUSS YOUR REQUIREMENT
Send the model number and required quantity to Jim Pei for product information and a quotation.
Specifications
| Parameter | Specification |
|---|---|
| Thermocouple input points | 32 differential, DC-coupled |
| Input update rate | 50 ms maximum |
| Converted data format | 16-bit signed integer |
| Temperature increment | 0.125 degree per count |
| DC input resistance | 22 MΩ typical |
| Common-mode range | ±10 VDC maximum |
| Leg-to-leg isolation | 200 kΩ typical |
| Input point protection | 110 VAC continuous |
| Reference-junction compensation range | 0 to 60 °C |
| Thermocouple selection | J, K, T |
| Input architecture | TMR |
| Common-mode rejection, 0-60 Hz | -85 dB minimum |
| Common-mode rejection at DC | -95 dB typical |
| Normal-mode rejection at 60 Hz | -17 dB |
| J thermocouple measurement range | -157 to +1093 °C |
| K thermocouple measurement range | -157 to +1371 °C |
| T thermocouple measurement range | -157 to +400 °C |
On this non-isolated design, burnout direction depends on the field termination selected. Inputs freeze for one second when a spare module is inserted.
Description
THERMOCOUPLE INPUT MODULE
Tricon
Triconex 3706A is a thirty-two-point differential thermocouple input module with DC-coupled field connections. Temperature conversion supports J, K and T sensors and produces signed data for the Tricon main processors. The module linearizes the thermocouple signal and compensates for the reference-junction temperature. Internal precision references enable automatic calibration of each acquisition channel. Burnout behavior follows the selected field termination arrangement. This high-density non-isolated design suits grouped temperature measurements in an appropriately configured Tricon installation.
Thermocouple Conversion & Compensation
01 / Linearize the sensor voltage
Each independent acquisition channel converts a thermocouple voltage using the selected sensor characteristic before reporting temperature.
02 / Compensate the reference junction
Temperature transducers located on the field termination panel support cold-junction compensation for the measured thermocouple circuits.
03 / Auto-calibrate the acquisition channels
Internal precision voltage references are used by each channel to maintain conversion performance and support ongoing diagnostics.
Applications & Integration
Grouped temperature acquisition
The input density supports multiple temperature points in a Tricon chassis where DC-coupled thermocouple circuits are appropriate.
Termination-defined burnout handling
Choose the correct field termination when the application requires a particular upscale or downscale response to an open sensor.
Preserve field grounding
DC-coupled inputs require the original grounding and common-mode conditions to be maintained. Do not substitute an isolated input configuration without engineering review.
About Company
Years of Global Experience
With 20+ years of industry experience, we serve customers worldwide and have built long-term relationships across the UK, Russia, UAE, India, Venezuela, and more.
Professional Support Team
Our experienced team provides reliable pre-sales and after-sales support, helping customers select suitable products and resolve purchasing concerns.
Wide Range of Brands
We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.
Large In-Stock Inventory
A wide range of products is available from stock, including discontinued, obsolete, and hard-to-find parts, helping reduce sourcing time.
Honesty & Trust
We value long-term cooperation and treat every customer with honesty, respect, responsibility, and care.
Your Trusted Automation Partner
From a single replacement part to complete automation projects, we are ready to support your needs and build a long-term partnership.
Our Company History
The Beginning
Company was founded in Xiamen, Fujian, China, in 2005 with a team of only four people. At that time, we mainly served selected European and North American markets, supplying commonly requested industrial automation products from Siemens, Allen-Bradley and Bently Nevada. Although the business was still developing and we completed relatively few orders, this period helped us build essential product knowledge and international trade experience.
A Period of Growth
By 2017, our team had grown to approximately 30 people, and we had established a warehouse for in-stock automation components. Our business expanded across Europe, North America and Southeast Asia, while our product range grew from popular models to scarce and discontinued industrial automation parts. As our product knowledge and service experience increased, we completed nearly 20 orders per month on average.
Serving Customers Worldwide
Today, Company serves customers worldwide with a professional team of approximately 60 people. Our warehouse holds a broad selection of industrial automation components, including popular products, hard-to-find parts and discontinued models. We now complete more than 30 orders per month, with an average monthly transaction value of approximately USD 3 million. We have established long-term partnerships with nearly 30 customers from different countries and welcomed almost 40 international customers to visit our company.
Since our company was founded, we have served every customer with sincerity and professionalism. Our prices may not always be the lowest, but we earn long-term trust through quality products, dependable after-sales support, honest condition reporting, timely communication and responsible delivery. Our goal is to build lasting partnerships rather than pursue one-off transactions.
Product brand
► DCS System: Distributed Control System (DCS) ◄
ABB | Invensys Foxboro | Invensys Triconex | Ovation | Woodword | HIMA | Yokogawa | Honeywell | Emerson
► PLC System: Programmable Logic Controller (PLC) ◄
Rockwell Allen-Bradley | Schneider Modicon | GE Fnauc | Siemens | Prosoft | Bachmann | Woodhead
► TSI System ◄
Bently Nevada | EPRO | ENTEK
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| 26100-106 | UE4740-22H0000 | pscdm024dcban |
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