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PRODUCT DESCRIPTION
6ES7121-1BB00-0AA0 Two-channel digital input submodule
Siemens 6ES7121-1BB00-0AA0 is a Two-channel digital input submodule in the SIMATIC ET 200L / SC family. It is intended for SIMATIC ET 200L / SC, with input channels of 2 digital inputs and rated input voltage of 24 V DC for compatible installations.
Its technical characteristics include module function: Digital signal acquisition. These values define its electrical behavior and connection profile during normal use.
Its technical characteristics include module function: Digital signal acquisition. These values define its electrical behavior and connection profile during normal use.
BEFORE YOU BUY
Confirm the complete two-channel digital input submodule
ACTUAL APPLICATIONS
Application context for 6ES7121-1BB00-0AA0
6ES7121-1BB00-0AA0 supports use across the three industry fields below. Its documented product type is Electronic input submodule; the complete order code and installed configuration determine the applicable engineering arrangement.
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01 · MARINE & OFFSHORE
Marine, Offshore and Port Facilities
Offshore energy and marine facilitiesPort, shipyard and coastal facilities -
02 · PAPER & PULP
Paper, Pulp and Packaging Industries
Pulp and paper industry facilitiesPackaging and converting industry facilities -
03 · AUTOMOTIVE
Automotive and Mobility Industries
Vehicle and component industry facilitiesCommercial mobility and test facilities
Technical specifications for 6ES7121-1BB00-0AA0
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Product Model6ES7121-1BB00-0AA0
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Product ParametersTwo-channel digital input submodule
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In stock1 unit
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ManufacturerSiemens
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Product typeElectronic input submodule
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Input channels2 digital inputs
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Rated input voltage24 V DC
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PlatformSIMATIC ET 200L / SC
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Module functionDigital signal acquisition
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Packing quantity8 modules
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LifecycleObsolete product
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Power loss0.4 W typical
View all additional
Alternative Names
6ES7121-1BB00-0AA0
SIMATIC ET 200L / SC Two-channel digital input submodule
ET 200L / SC Electronic input submodule product type
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 6ES7121-1BB00-0AA0 two-channel digital input submodule
6ES7121-1BB00-0AA0 is a Two-channel digital input submodule in the SIMATIC ET 200L / SC family. Manufacturer documentation lists product type as Electronic input submodule and input channels as 2 digital inputs, defining the main integration scope.
For electrical and interface planning, match rated input voltage (24 V DC), platform (SIMATIC ET 200L / SC) and module function (Digital signal acquisition) to the installed configuration.
During commissioning, apply the documented packing quantity of 8 modules; then confirm lifecycle of Obsolete product and commodity code of 85389091 under normal operating conditions.
Features:
- Confirm Product type: Electronic input submodule
- Match Input channels: 2 digital inputs
- Review Rated input voltage: 24 V DC
The 6ES7121-1BB00-0AA0 two-channel digital input submodule requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify 6ES7121-1BB00-0AA0 two-channel digital input submodule
Use the complete 6ES7121-1BB00-0AA0 identity when evaluating a replacement. Compare product type (Electronic input submodule) and rated input voltage (24 V DC) with the installed unit before removal.
Record wiring, connectors and mounting details together with platform (SIMATIC ET 200L / SC), module function (Digital signal acquisition) and the visible hardware revision.
After fitting, verify packing quantity (8 modules), test lifecycle (Obsolete product) and confirm commodity code (85389091) before returning the installation to service.
Features:
- Record Platform: SIMATIC ET 200L / SC
- Compare Module function: Digital signal acquisition
- Test Packing quantity: 8 modules
The 6ES7121-1BB00-0AA0 two-channel digital input submodule requires replacement verification against the complete installed configuration and current manufacturer documentation.
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:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 6ES7121-1BB00-0AA0 two-channel digital input submodule must be checked for document applicability before installation or commissioning.
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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
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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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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 size8.60 x 7.40 x 5.90cm
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Shipping weight0.15 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 reference8538909100
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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
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Condition 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 6ES7121-1BB00-0AA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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For an engineering design, how does 2 digital inputs for input channels position 6ES7121-1BB00-0AA0 within SIMATIC ET 200L / SC?
Confirm the complete 6ES7121-1BB00-0AA0 order code and the documented SIMATIC ET 200L / SC context. The record lists input channels as 2 digital inputs; the installed system must support that exact role. -
Before terminating conductors on 6ES7121-1BB00-0AA0, what does rated input voltage 24 V DC require engineers to verify?
Record terminal, connector and cable identification before removal. Verify rated input voltage (24 V DC) together with packing quantity (8 modules) against the applicable drawing. -
How should an engineer prove 6ES7121-1BB00-0AA0 meets platform SIMATIC ET 200L / SC before service?
Check the supply and configuration first, then test every affected signal or function. Acceptance should document platform at SIMATIC ET 200L / SC without diagnostics or abnormal indications. -
How can maintenance isolate a problem involving module function Digital signal acquisition in 6ES7121-1BB00-0AA0?
Compare the live condition with the documented module function of Digital signal acquisition. Inspect wiring, seating, protection and related diagnostics before deciding that the Two-channel digital input submodule is defective. -
What replacement comparison is required for 6ES7121-1BB00-0AA0's packing quantity 8 modules?
Photograph the label and connections, export any relevant configuration, and record packing quantity (8 modules). A visually similar part is not interchangeable unless these details agree. -
Which preservation checks are appropriate for an unused 6ES7121-1BB00-0AA0 with lifecycle Obsolete product?
Keep the exact article number visible, protect terminals and electronics from contamination and ESD, and retain documentation for lifecycle (Obsolete product) with the stored unit. -
How should an RFQ describe 6ES7121-1BB00-0AA0's power loss 0.4 W typical to avoid a variant mismatch?
The quotation should state the full 6ES7121-1BB00-0AA0 identity, condition, revision when visible, and power loss (0.4 W typical). Supplied accessories and documents must be listed explicitly. -
How should the final inspection report describe product type Electronic input submodule for 6ES7121-1BB00-0AA0?
Attach nameplate and connection photos, the installation location, commissioning results, and the documented product type (Electronic input submodule) plus platform (SIMATIC ET 200L / SC).
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