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PRODUCT DESCRIPTION
3703E - Isolated Analog Input Module
Triconex 3703E is a 16-point isolated TMR Analog Input Module for Tricon v9-v10 systems. Each differential channel is TriStation-configurable for 0-5 VDC or 0-10 VDC operation with 12-bit resolution and an input update time below 50 ms.
The module provides channel isolation, +/-200 VDC maximum common-mode range, configurable open detection and 0-20 mA measurement with a 250 Ohm shunt. Verify the exact model, slot keying, input range, termination assembly and channel configuration before replacement.
The module provides channel isolation, +/-200 VDC maximum common-mode range, configurable open detection and 0-20 mA measurement with a 250 Ohm shunt. Verify the exact model, slot keying, input range, termination assembly and channel configuration before replacement.
BEFORE YOU BUY
Check the complete ordered configuration
ACTUAL APPLICATIONS
Where 3703E supports measurement tasks
Manufacturer literature supports the following measurement arrangements. Confirm the complete installed system and the exact ordered configuration before selecting this component.
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01 · ISOLATED INPUTS
Acquire isolated safety signals
Isolated analog transmitter monitoring in emergency shutdown systems. Verify the documented field interface, configured limits and approved safety function before service. -
02 · FIRE & GAS
Monitor analog protection variables
Analog process-variable acquisition for fire and gas protection. Verify the documented field interface, configured limits and approved safety function before service. -
03 · HIPPS INPUTS
Validate protected pressure channels
Isolated pressure-input monitoring for HIPPS. Verify the documented field interface, configured limits and approved safety function before service.
Technical specifications for 3703E
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Product Model3703E
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Product ParametersIsolated Analog Input Module
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In stock1 unit
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ManufacturerInvensys
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Slot keysTop 005, bottom 006
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Input signals16 differential, isolated
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Input update rate<50 ms
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Resolution12 bits
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Accuracy<0.15% FSR, 0 to 60 C
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Input resistance30 MOhm minimum
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Common-mode rejection-90 dB at 60 Hz minimum
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Common-mode range+/-200 VDC maximum
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Input voltage range0-5 VDC or 0-10 VDC
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Logic power<15 W
View all additional
Alternative Names
3703E
Tricon Isolated Analog Input Module
16-Point TMR Analog Input Module
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM CONFIGURATION
Match the installed measurement arrangement
Triconex 3703E is a 16-point isolated TMR Analog Input Module for Tricon v9-v10 systems. Each differential channel is TriStation-configurable for 0-5 VDC or 0-10 VDC operation with 12-bit resolution and an input update time below 50 ms.
Use 3703E only in a documented Tricon v9-v10 configuration that supports the exact I/O module.
Match top slot key 005 and bottom slot key 006.
Confirm the 16-point isolated field termination and cable assembly.
Verify every channel is configured for 0-5 VDC, 0-10 VDC or 0-20 mA with the required shunt.
Check common-mode voltage, grounding, shielding and open-detect settings.
Do not treat 3700, 3700A, 3701 or 3704E as direct replacements without controlled Tricon verification.
3703E uses three independent input channels and isolated differential field inputs. Commissioning should verify the configured range, 12-bit scaling, open-detect direction, common-mode limits, field termination and representative channel accuracy. A module fault indication requires diagnosis of the affected channel and wiring before the safety application is returned to service.
Features:
- Sixteen isolated differential analog inputs
- TriStation-selectable 0-5 VDC or 0-10 VDC ranges
- 12-bit conversion with input update below 50 ms
The 3703E requires exact configuration and installation checks before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Confirm the complete 3703E order code before replacement.
Record the installed chassis, logical slot, termination assembly and TriStation channel configuration.
Inspect the connector, mechanical keys and field wiring.
Preserve scaling, open-detect direction, grounding and safety-function validation records.
Verify current Triconex documentation and site lifecycle requirements.
Contact Amikon with model 3703E for availability and replacement support.
The module provides channel isolation, +/-200 VDC maximum common-mode range, configurable open detection and 0-20 mA measurement with a 250 Ohm shunt. Verify the exact model, slot keying, input range, termination assembly and channel configuration before replacement.
Retain the validated safety logic, termination arrangement and proof-test records. Recommission every affected channel before the safety function is returned to service.
Features:
- Sixteen isolated differential analog inputs
- 12-bit conversion with input update below 50 ms
- +/-200 VDC maximum common-mode range
The 3703E requires replacement verification of the complete ordered configuration and installed measurement system before commissioning.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The Manufacturer's Manual download is a manufacturer technical-data extract, not a complete operation manual. The installation guide contains only source-supported checks. Specifications of other configurations shown on source pages must not be applied to this exact order.
Features:
- Sources: Existing verified Triconex model documentation and saved model PDFs
- Use complete equipment instructions for installation and commissioning.
- Accessories are supplied only when listed in the quotation
Documentation for the 3703E is supplied here as a technical-data extract; confirm manual availability in the written quotation.
Also searched as
Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size2.2 × 40.8 × 40 cm
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Shipping weight2.55 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8537101190
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OriginUSA
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 3703E
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Which field signals can the 3703E accept without external conversion?
Each of its 16 isolated differential inputs can be configured for 0-5 VDC or 0-10 VDC. Confirm the selected range and engineering-unit scaling in the approved TriStation project. -
How do I connect a 0-20 mA transmitter to a 3703E voltage input?
The official guide specifies using a 250 Ohm shunt resistor so the loop current is converted to a voltage signal. Verify resistor accuracy, polarity, grounding and the configured input range. -
Why does the +/-200 VDC common-mode limit matter on isolated channels?
Channel-to-channel and channel-to-ground common-mode voltage must remain within this limit. Exceeding it can invalidate measurements and place the module or adjacent channels at risk. -
What measurement performance should be recorded during commissioning?
Use traceable test signals to check the 12-bit conversion, less-than-50 ms update rate and accuracy below 0.15% of full-scale range from 0 to 60 C. -
How should an open input be diagnosed on a 3703E channel?
Review the configured open-detect direction, field termination, shunt components and channel status before treating the indication as a module failure. -
Which hardware details must match before a 3703E exchange?
Match the complete model, logical slot, top key 005, bottom key 006, field termination and configured range; the stripe color or connector appearance is not sufficient. -
What evidence helps an MRO buyer identify the correct 3703E spare?
Provide the full nameplate, chassis and slot, controller and TriStation versions, termination details, configured ranges, channel list and clear connector photographs. -
What acceptance test proves the 3703E is ready for service?
Inject known values on representative channels, confirm scaling and status indications, review mis-compares and validate every affected safety function before returning the process to operation.
READY TO VERIFY YOUR PART?
Get a 3703E quote with price, lead time and revision check.
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