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PRODUCT DESCRIPTION
6ES7921-5CK20-0AA0 Analog S7-1500 front connector module
Siemens 6ES7921-5CK20-0AA0 is a Analog S7-1500 front connector module in the SIMATIC TOP connect family. It is intended for SIMATIC S7-1500, with suitable module type of Analog 40-pole I/O modules and signal connector of 1 x 50-pole IDC for compatible installations.
Its technical characteristics include potential supply: Feed-in element; connection concept: Fully modular connection; front connector poles: 40; and electrical connection: Plug-in connection. These values define its electrical behavior and connection profile during normal use.
Its technical characteristics include potential supply: Feed-in element; connection concept: Fully modular connection; front connector poles: 40; and electrical connection: Plug-in connection. These values define its electrical behavior and connection profile during normal use.
BEFORE YOU BUY
Confirm the complete analog s7-1500 front connector module
ACTUAL APPLICATIONS
Application context for 6ES7921-5CK20-0AA0
6ES7921-5CK20-0AA0 supports use across the three industry fields below. Its SIMATIC TOP connect format supports compatible S7-1500 installations within these fields.
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01 · BUILDING INFRASTRUCTURE
Building and Campus Infrastructure
Commercial and institutional facilitiesCampus and central utility facilities -
02 · CHEMICALS
Chemical and Specialty Material Industries
Basic chemical and specialty material facilitiesFertilizer and industrial gas facilities -
03 · RAIL TRANSPORT
Rail Transport and Signaling Facilities
Passenger rail and metro facilitiesRail signaling and communication facilities
Technical specifications for 6ES7921-5CK20-0AA0
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Product Model6ES7921-5CK20-0AA0
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Product ParametersAnalog S7-1500 front connector module
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In stock1 unit
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ManufacturerSiemens
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Product typeFront connector module
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Target systemSIMATIC S7-1500
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Suitable module typeAnalog 40-pole I/O modules
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Signal connector1 x 50-pole IDC
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Potential supplyFeed-in element
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Connection conceptFully modular connection
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Front connector poles40
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Electrical connectionPlug-in connection
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Product familySIMATIC TOP connect
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LifecycleActive product
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Rated operating voltage24 V DC
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Maximum operating voltage60 V DC
View all additional
Alternative Names
6ES7921-5CK20-0AA0
SIMATIC TOP connect Analog S7-1500 front connector module
TOP connect Front connector 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 INTEGRATION
Integrate 6ES7921-5CK20-0AA0 analog s7-1500 front connector module
6ES7921-5CK20-0AA0 is a Analog S7-1500 front connector module in the SIMATIC TOP connect family. Manufacturer documentation lists product type as Front connector module and target system as SIMATIC S7-1500, defining the main integration scope.
For electrical and interface planning, match suitable module type (Analog 40-pole I/O modules), signal connector (1 x 50-pole IDC) and potential supply (Feed-in element) to the installed configuration.
During commissioning, apply the documented connection concept of Fully modular connection; then confirm front connector poles of 40 and electrical connection of Plug-in connection under normal operating conditions.
Features:
- Confirm Product type: Front connector module
- Match Target system: SIMATIC S7-1500
- Review Suitable module type: Analog 40-pole I/O modules
The 6ES7921-5CK20-0AA0 analog s7-1500 front connector module requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify 6ES7921-5CK20-0AA0 analog s7-1500 front connector module
Use the complete 6ES7921-5CK20-0AA0 identity when evaluating a replacement. Compare product type (Front connector module) and suitable module type (Analog 40-pole I/O modules) with the installed unit before removal.
Record wiring, connectors and mounting details together with signal connector (1 x 50-pole IDC), potential supply (Feed-in element) and the visible hardware revision.
After fitting, verify connection concept (Fully modular connection), test front connector poles (40) and confirm electrical connection (Plug-in connection) before returning the installation to service.
Features:
- Record Signal connector: 1 x 50-pole IDC
- Compare Potential supply: Feed-in element
- Test Connection concept: Fully modular connection
The 6ES7921-5CK20-0AA0 analog s7-1500 front connector module 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 6ES7921-5CK20-0AA0 analog s7-1500 front connector module 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
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 size5.00 x 13.30 x 3.40cm
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Shipping weight0.07 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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03
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 6ES7921-5CK20-0AA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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What installation scope follows from the documented target system of SIMATIC S7-1500 for 6ES7921-5CK20-0AA0?
Confirm the complete 6ES7921-5CK20-0AA0 order code and the documented SIMATIC TOP connect context. The record lists target system as SIMATIC S7-1500; the installed system must support that exact role. -
What wiring record should show suitable module type Analog 40-pole I/O modules for an installed 6ES7921-5CK20-0AA0?
Record terminal, connector and cable identification before removal. Verify suitable module type (Analog 40-pole I/O modules) together with connection concept (Fully modular connection) against the applicable drawing. -
During first energisation, what evidence verifies signal connector 1 x 50-pole IDC on 6ES7921-5CK20-0AA0?
Check the supply and configuration first, then test every affected signal or function. Acceptance should document signal connector at 1 x 50-pole IDC without diagnostics or abnormal indications. -
What should be measured or observed when potential supply on 6ES7921-5CK20-0AA0 differs from Feed-in element?
Compare the live condition with the documented potential supply of Feed-in element. Inspect wiring, seating, protection and related diagnostics before deciding that the Analog S7-1500 front connector module is defective. -
How does connection concept Fully modular connection affect interchangeability of 6ES7921-5CK20-0AA0?
Photograph the label and connections, export any relevant configuration, and record connection concept (Fully modular connection). A visually similar part is not interchangeable unless these details agree. -
How can stores personnel keep 6ES7921-5CK20-0AA0 ready for service while safeguarding front connector poles 40?
Keep the exact article number visible, protect terminals and electronics from contamination and ESD, and retain documentation for front connector poles (40) with the stored unit. -
What nameplate or document detail verifies electrical connection Plug-in connection for a supplied 6ES7921-5CK20-0AA0?
The quotation should state the full 6ES7921-5CK20-0AA0 identity, condition, revision when visible, and electrical connection (Plug-in connection). Supplied accessories and documents must be listed explicitly. -
Which photos and test results demonstrate 6ES7921-5CK20-0AA0's product family SIMATIC TOP connect at handover?
Attach nameplate and connection photos, the installation location, commissioning results, and the documented product family (SIMATIC TOP connect) plus maximum operating voltage (60 V DC).
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