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PRODUCT DESCRIPTION
3700A - TMR Analog Input Module
The Triconex 3700A is a 32-point differential, DC-coupled TMR Analog Input Module for 0-5 VDC signals with 12-bit conversion.
It supports 0-20 mA inputs through a 250 Ohm shunt, provides a 55 ms update rate and includes continuous channel diagnostics for Tricon systems.
It supports 0-20 mA inputs through a 250 Ohm shunt, provides a 55 ms update rate and includes continuous channel diagnostics for Tricon systems.
BEFORE YOU BUY
Check the complete ordered configuration
ACTUAL APPLICATIONS
Where 3700A 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 · VOLTAGE INPUTS
Acquire process voltage signals
0-5 VDC process-sensor signal acquisition. Verify the documented field interface, configured limits and approved safety function before service. -
02 · CURRENT LOOPS
Monitor transmitter loops with shunts
0-20 mA transmitter-loop acquisition with shunt resistor. Verify the documented field interface, configured limits and approved safety function before service. -
03 · PROTECTION VARIABLES
Feed safety monitoring functions
Analog monitoring for emergency shutdown systems. Verify the documented field interface, configured limits and approved safety function before service.
Technical specifications for 3700A
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Product Model3700A
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Product ParametersTMR Analog Input Module
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In stock1 unit
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ManufacturerInvensys
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Input Signals32 differential, DC-coupled
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Input Update Rate55 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-80 dB typical, DC-100 Hz
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Common-Mode Range-12 to +12 V peak
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Voltage Range0-5 VDC; 0-5.3 V over-range
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Current Range0-20 mA with 250 Ohm shunt
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Logic Power<10 W
View all additional
Alternative Names
3700A
0-5 VDC TMR Analog Input Module
32-Point Differential 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
The Triconex 3700A is a 32-point differential, DC-coupled TMR Analog Input Module for 0-5 VDC signals with 12-bit conversion.
Use 3700A only with the compatible Tricon configuration identified by the complete model number.
Match the exact module type and system version.
Confirm the chassis, logical slot and mechanical keying.
Verify the field termination, cable, signal type and electrical limits.
Check firmware, application configuration and hazardous-area requirements.
Do not treat another Tricon family module as interchangeable without controlled Triconex verification.
Keep every channel within the documented -12 V to +12 V peak common-mode range. The 3700A requires a separate External Termination Panel and cable interface to the Tricon backplane.
Features:
- 32 differential, DC-coupled
- 55 ms
- 12 bits
The 3700A requires exact configuration and installation checks before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Confirm the complete 3700A model number before replacement because related Tricon modules may have different electrical and diagnostic behavior.
Record the installed chassis, slot, system version, firmware and termination arrangement.
Inspect the connectors, keys, terminals and mounting hardware.
Preserve the approved field wiring, scaling, application logic and safety function.
Verify current controlled Triconex documentation and hazardous-area requirements.
Contact Amikon with 3700A for availability and replacement support.
It supports 0-20 mA inputs through a 250 Ohm shunt, provides a 55 ms update rate and includes continuous channel diagnostics for Tricon systems.
Retain the validated safety logic, termination arrangement and proof-test records. Recommission every affected channel before the safety function is returned to service.
Features:
- 32 differential, DC-coupled
- 12 bits
- <0.15% FSR, 0 to 60 C
The 3700A 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 3700A 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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01
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 weight1.9 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 3700A
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Is 3700A suitable for my analog input signals?
Use 3700A for 32 differential, DC-coupled 0-5 VDC inputs. For 0-20 mA loops, confirm the documented 250 Ohm shunt, scaling and external termination arrangement. -
Can 3700A directly replace another Tricon analog input module?
Do not decide from the channel count alone. Match the exact 3700A model, voltage or current scaling, slot keys 003/006, external termination panel, cable and application configuration. -
What should an MRO buyer provide for an urgent 3700A quotation?
Provide the exact model, quantity, label and connector photos, chassis and slot, signal type and range, termination-panel and cable details, fault indications and destination country. -
Can 3700A be used with 4-20 mA transmitters?
The module supports current inputs through a 250 Ohm shunt. Confirm the resulting voltage range, channel scaling, loop power, common-mode limits and approved application configuration. -
What should be checked when 3700A arrives?
Inspect the exact label, connector pins, slot keys, housing and indicators. Verify the external termination panel, interface cable and shunt configuration before removing the installed module. -
What wiring checks are important for 3700A?
Verify channel polarity, grounding, shielding, cable condition and the -12 V to +12 V peak common-mode range. Confirm each shunt resistor and termination point matches the signal type. -
What should be tested after installing 3700A?
Verify PASS, FAULT and ACTIVE status, then compare representative channels with a known input. Confirm 0-5 VDC or 0-20 mA scaling, 55 ms update behavior and required over-range response. -
What should engineers check if 3700A readings are incorrect or unstable?
Check the transmitter or voltage source, shunt value, terminal polarity, grounding, shield connection, cable and common-mode voltage. Compare the channel with a calibrated source before replacing hardware.
READY TO VERIFY YOUR PART?
Get a 3700A quote with price, lead time and revision check.
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