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Triconex 3708E Isolated Thermocouple Input Module
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Detail
- Product NameTriconex 3708E Isolated Thermocouple Input Module
- Item NO.3708E
- Weight2.4800 kg = 5.4675 lb = 87.4794 oz
- CategoryDCS> Triconex
- BrandSchneider
- Creation Time2026-11-04
- Triconex 3708E isolated thermocouple input module. 16 thermocouple input points.Product dimensions: 2.1 × 41 × 40 cm
TRICONEX / TRICON
3708E
Isolated Thermocouple Input Module
16 thermocouple input points.
Isolated temperature acquisition.
TRICON
PRODUCT PROFILE
Thermocouple input points
16 differential, isolated
Input update rate
50 ms
Converted data format
16-bit signed integer
THERMOCOUPLE / LINEARIZATION / TEMPERATURE DATA
16 thermocouple input points. Isolated temperature acquisition.
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 | 16 differential, isolated |
| Input update rate | 50 ms |
| Converted data format | 16-bit signed integer |
| Temperature increment | 0.125 degree per count |
| DC input resistance | 30 MΩ minimum |
| Common-mode range | ±200 VDC maximum |
| Leg-to-leg isolation | 20 kΩ typical |
| Input point protection | 110 VAC continuous |
| Reference-junction compensation range | 0 to 60 °C |
| Thermocouple selection | J, K, T, E |
| Input architecture | TMR |
| Common-mode rejection, 0-60 Hz | -90 dB minimum |
| Common-mode rejection at DC | -100 dB minimum |
| Normal-mode rejection at 8 Hz | -3 dB typical |
| Normal-mode rejection at 60 Hz | -17 dB typical |
| J thermocouple measurement range | -150 to +760 °C |
| K thermocouple measurement range | -150 to +1370 °C |
| T thermocouple measurement range | -161 to +400 °C |
| E thermocouple measurement range | -200 to +999 °C |
Burnout direction is selected through TriStation 1131. Maintain a uniform temperature across the thermocouple termination module to limit errors from thermal gradients.
Description
ISOLATED THERMOCOUPLE INPUT MODULE
Tricon
The Triconex 3708E provides sixteen isolated differential thermocouple inputs for a Tricon control system. Its supported sensor selection includes J, K, T and E thermocouples, with signed temperature data delivered to the main processors. Independent input channels perform linearization and reference-junction compensation. Software-selected burnout detection determines the configured response to an open thermocouple. Cold-junction faults have a dedicated front-panel indication to assist diagnosis. The isolated input arrangement supports temperature acquisition where channel separation is required by the field installation.
Thermocouple Conversion & Compensation
01 / Isolated thermocouple measurement
Field thermocouple voltages enter isolated differential points before conversion and linearization for the selected sensor type.
02 / Cold-junction supervision
Triplicated transducers on the termination panel provide reference-junction information, and a failed cold-junction transducer is annunciated on the module.
03 / Software-selected burnout response
TriStation 1131 selects upscale or downscale burnout detection for the isolated module, aligning open-sensor handling with the application logic.
Applications & Integration
Isolated temperature loops
Use isolated points for thermocouple installations whose grounding and common-mode requirements call for channel isolation.
Type E temperature sensing
The supported thermocouple selection includes type E in addition to the other configured types, allowing this sensor family in a Tricon temperature project.
Check the reference junction
A cold-junction indication directs attention to the reference transducer path. Confirm the termination panel and sensor wiring before replacing the input module.
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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| S4-34760 | CN-BIG1970-0 | CS8550i-01 |
| A16B | BZMC1-A50-BT | VX1020 |
| XF830A | 2079872 | ICM-20105 |
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