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Triconex 3703E Isolated Analog Input Module
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Detail
- Product NameTriconex 3703E Isolated Analog Input Module
- Item NO.3703E
- Weight2.3600 kg = 5.2029 lb = 83.2466 oz
- CategoryDCS> Triconex
- BrandSchneider
- Creation Time2026-11-04
- Triconex 3703E isolated analog input module. Isolated differential inputs.Product dimensions: 2.1 × 40.6 × 39.8 cm
TRICONEX / TRICON
3703E
Isolated Analog Input Module
Isolated differential inputs.
Flexible voltage-range selection for field instruments.
TRICON
PRODUCT PROFILE
Input points
16 differential, isolated
Selectable input ranges
0-5 V or 0-10 V; +6% overrange
Input update rate
50 ms
ISOLATED INPUT / A/D CONVERSION / PROCESSOR VALUES
Isolated differential inputs. Flexible voltage-range selection for field instruments.
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 |
|---|---|
| Input points | 16 differential, isolated |
| Selectable input ranges | 0-5 V or 0-10 V; +6% overrange |
| Input update rate | 50 ms |
| Resolution | 12 bits |
| Accuracy | <0.15% of FSR, 0 to 60 °C |
| DC input resistance | 30 MΩ minimum |
| Power-off resistance | 30 MΩ minimum, DC |
| Common-mode rejection at 60 Hz | -90 dB minimum |
| Common-mode rejection at DC | -100 dB minimum |
| Common-mode range | ±200 V peak |
| Leg-to-leg isolation | 20 kΩ typical |
| Normal-mode rejection at 8 Hz | -3 dB |
| Normal-mode rejection at 60 Hz | -17 dB |
| Normal-mode rejection at 120 Hz | -23 dB |
| Input overrange protection | 150 VDC / 115 VAC, continuous |
| Current input with 5 V range | 0-20 mA using a 250 Ω shunt |
| Current input with 10 V range | 0-20 mA using a 500 Ω shunt |
| Input redundancy | TMR |
Select the voltage range through TriStation 1131. A current-loop installation requires the correct shunt for that range; preserve the installed termination configuration during replacement.
Description
ISOLATED ANALOG INPUT MODULE
Tricon
The Triconex 3703E isolated analog input module connects sixteen differential signals to a Tricon controller. Its selectable voltage ranges accommodate different instrument output levels while retaining twelve-bit conversion. Input isolation distinguishes this module from the DC-coupled non-isolated input designs. Each independent channel converts field values and supplies them to the main processors. Ongoing diagnostics identify channel trouble and activate the associated fault indication. Mechanically keyed installation and a separate termination interface support correct integration in a configured chassis.
Signal Processing & Diagnostics
01 / Isolated field interface
The differential input points include isolation for field signal acquisition, with the stated common-mode operating boundary.
02 / Range-dependent current conversion
The selected voltage range determines the shunt value required when a current transmitter is connected through a conversion resistor.
03 / Channel fault reporting
A diagnostic fault activates module and chassis indication while the redundant input design maintains operation through remaining healthy channels.
Applications & Integration
Mixed instrument voltage levels
Configure the input range for the instrument signal level, then apply the corresponding engineering scaling in the control project.
Replacement in isolated input positions
Choose this isolated design where the existing installation calls for isolated differential measurements rather than a non-isolated alternative.
Isolation is a selection criterion
Confirm the isolation requirement and common-mode conditions of the field circuit. A matching channel count alone is insufficient for substitution.
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
Other Products
| TS16 | EMG125-B24 | EZV516 |
| RS485 | TSXSCY11601 | EXFS-L300 |
| INF-1001 | AV3116DNv1 | TTS-SD-LCD-B-1 |
| IP100H | FTD110DBMicro | HVE4X |
| SRD-91 | C1B | MTN649202 |
| RMBA-01 | LKD9A5040010000 | Mid2E-800 |
| T-ASH-G2-200 | BRX-8146 | HCD2-FBPS-1.500 |
| BI40 | CCT15722 | IZM-KLP-SO-RONIS |
| 621-9933C | IN1608 | AGC/GS/3 |
| FT410DB-SSR | IO113 | TE500CW12B2A1E6 |
| 50PLC-M03 | SPB-00154 | HBW2GR3V |
| Y7512-5335 | HMP-HM64 | EDS-405A-SS-SC |
| IP500 | DR4208SGM | MODG2-12LC-SM-PT |
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ARWELL is a global supplier of PLC, DCS, VFD, HMI and other industrial automation components.We provide industrial automation parts and sourcing solutions for a wide range of applications.
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