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PRODUCT DESCRIPTION
6ES7431-7QH00-0AB0 SM 431 analog input module
Siemens 6ES7431-7QH00-0AB0 is an SM 431 analog input module for the SIMATIC S7-400 platform. It acquires voltage, current, resistance and temperature signals across sixteen configurable input channels arranged in four channel groups.
The module provides signal-range selection, analog-to-digital conversion, channel diagnostics and galvanic separation from the backplane bus. Configuration is assigned in STEP 7 so that measuring range, resolution and diagnostic behavior match the connected field signals.
The module provides signal-range selection, analog-to-digital conversion, channel diagnostics and galvanic separation from the backplane bus. Configuration is assigned in STEP 7 so that measuring range, resolution and diagnostic behavior match the connected field signals.
BEFORE YOU BUY
Confirm the complete 6ES7431-7QH00-0AB0 identity
ACTUAL APPLICATIONS
Application fields for 6ES7431-7QH00-0AB0
These broad application fields reflect the documented function and technical characteristics of 6ES7431-7QH00-0AB0.
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01 · CHEMICAL PROCESSING
Chemical and Petrochemical Manufacturing
Industrial chemical productionPetrochemical production and processing -
02 · PHARMACEUTICALS
Pharmaceutical and Life Science Manufacturing
Pharmaceutical formulation and productionBiotechnology and life science manufacturing -
03 · POWER GENERATION
Thermal, Hydroelectric and Renewable Power Generation
Thermal and hydroelectric power productionRenewable generation and energy integration
Technical specifications for 6ES7431-7QH00-0AB0
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Product Model6ES7431-7QH00-0AB0
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Product ParametersSM 431 analog input module
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In stock1 unit
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ManufacturerSiemens
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Analog inputs16 channels
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Input groups4 groups of 4 channels
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Signal typesVoltage, current, resistance and temperature
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ResolutionUp to 16 bits, signal-range dependent
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IsolationGalvanic isolation to backplane bus
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Supply voltage24 V DC
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ConfigurationSTEP 7 hardware configuration
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Backplane currentMaximum 700 mA
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External supply currentMaximum 400 mA at 24 V DC
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Power lossTypical 4.5 W
View all additional
Alternative Names
6ES7431-7QH00-0AB0
Siemens SM 431 analog input module
SIMATIC S7-400
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 INTEGRATION
Integrate 6ES7431-7QH00-0AB0 within SIMATIC S7-400
Use 6ES7431-7QH00-0AB0 as the documented SM 431 analog input module within the approved SIMATIC S7-400 architecture. The PDF-defined article identity determines its electrical role, interface arrangement and permitted configuration in the assembled equipment.
The PDF identifies analog inputs (16 channels), input groups (4 groups of 4 channels), signal types (Voltage, current, resistance and temperature) and resolution (Up to 16 bits, signal-range dependent); each value must match the approved installation record. Check the associated supply, field wiring, connector allocation and environmental limits before energization.
The PDF identifies isolation (Galvanic isolation to backplane bus), supply voltage (24 V DC), configuration (STEP 7 hardware configuration) and backplane current (Maximum 700 mA); each value must match the approved installation record. Verify every configured measuring range, channel value, sensor indication, diagnostic response and backplane communication before service.
Features:
- Exact 6ES7431-7QH00-0AB0 article and documented family
- PDF-defined electrical, interface and configuration values
- Controlled commissioning and diagnostic verification
Integration of 6ES7431-7QH00-0AB0 requires the PDF-defined ratings, interfaces, configuration and commissioning checks to be satisfied.
INTERCHANGEABILITY
Verify 6ES7431-7QH00-0AB0 before replacement
Record the complete 6ES7431-7QH00-0AB0 marking, suffix, installed revision, connector orientation and supplied scope before removing the SM 431 analog input module from its SIMATIC S7-400 installation. Preserve the active configuration, diagnostic state and all affected wiring references.
The PDF identifies analog inputs (16 channels), input groups (4 groups of 4 channels), signal types (Voltage, current, resistance and temperature) and resolution (Up to 16 bits, signal-range dependent); each value must match the approved installation record. Do not judge interchangeability from appearance, family name or a partial ordering code alone.
The PDF identifies isolation (Galvanic isolation to backplane bus), supply voltage (24 V DC), configuration (STEP 7 hardware configuration) and backplane current (Maximum 700 mA); each value must match the approved installation record. Compare the mounting arrangement, terminal or connector allocation and required accessories with the replacement article. Verify every configured measuring range, channel value, sensor indication, diagnostic response and backplane communication before service.
Features:
- Complete article, suffix and installed revision
- Recorded connections, configuration and technical ratings
- Controlled post-installation functional verification
Replacement of 6ES7431-7QH00-0AB0 requires the complete PDF-defined identity, electrical values, interfaces and installed configuration to match.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Exact-model technical data for 6ES7431-7QH00-0AB0
- Document applicability checked against the complete identity
- Directory links by subcategory and brand
Documentation for 6ES7431-7QH00-0AB0 must match the installed product identity and supplied configuration.
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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 size2.4 x 22.3 x 29 cm
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Shipping weight0.70 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 reference85389091
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OriginGermany
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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
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Tracking supplied
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Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6ES7431-7QH00-0AB0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Which signals can 6ES7431-7QH00-0AB0 measure?
The module accepts voltage, current, resistance and temperature signals. Confirm each configured channel range and sensor wiring in STEP 7. -
How are the sixteen analog inputs grouped?
6ES7431-7QH00-0AB0 has 16 inputs arranged as four groups of four channels. Match group wiring and common reference points before replacement. -
What resolution is available on this SM 431?
Resolution is up to 16 bits and depends on the selected signal range. Verify the configured measuring mode rather than assuming one resolution for every channel. -
Is the backplane interface galvanically isolated?
The analog inputs are documented with galvanic isolation to the backplane bus. Confirm field-side grounding and shield practice for the installed cabinet. -
Which supply checks precede SM 431 commissioning?
Verify the 24 V DC supply, maximum 400 mA external supply current, maximum 700 mA backplane current and typical 4.5 W power loss. -
What should STEP 7 show after module replacement?
Restore the approved 6ES7431-7QH00-0AB0 hardware configuration, then test channel values, diagnostics, range assignments and alarm behavior against known inputs. -
What should distributors request for this analog module?
Ask for the complete 6ES7431-7QH00-0AB0 label, quantity, connector photographs, configured signal types, destination country and delivery requirement. -
Which SM 431 details need arrival verification?
Inspect the exact order number, front connector area, housing condition and channel labeling before exchanging the installed analog input module.
READY TO VERIFY YOUR PART?
Get a 6ES7431-7QH00-0AB0 quote with price, lead time and revision check.
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6ES7431-7QH00-0AB0SM 431 analog input moduleManufacturer: SiemensView Details
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