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PRODUCT DESCRIPTION
24 V DC load supply with configurable voltage diagnostics
Siemens 6ES7138-4CA00-0AA0 is the SIMATIC ET 200S PM-E power module for a nominal 24 V DC load supply. Its manufacturer data sheet specifies up to 10 A current-carrying capacity at temperatures up to 60 degrees Celsius, with load-voltage diagnostics.
The module provides green PWR and red SF indications and readable diagnostic information. Missing-load-voltage reporting can be enabled or disabled through its three-byte parameter data. Supply short-circuit protection must be provided externally; reverse-polarity protection does not replace the required external protective device.
The module provides green PWR and red SF indications and readable diagnostic information. Missing-load-voltage reporting can be enabled or disabled through its three-byte parameter data. Supply short-circuit protection must be provided externally; reverse-polarity protection does not replace the required external protective device.
BEFORE YOU BUY
Confirm the complete diagnosed load power module
ACTUAL APPLICATIONS
Industrial Production and Service Sectors
These industry examples describe Siemens' broader market coverage, not verified installations of this exact product. Product suitability depends on the documented configuration and engineering requirements.
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01 · METAL FORMING
Sheet Metal and Wire Processing
Sheet metal processing within the broader metal forming industry.Wire processing for metal products across industrial manufacturing sectors. -
02 · TEXTILE MANUFACTURING
Manufactured Fibers and Textile Finishing
Manufactured fiber production for the wider textile manufacturing sector.Textile finishing for materials within the commercial fabric industry. -
03 · PLASTICS PROCESSING
Molded Plastic Products
Injection molding for plastic product manufacturing across industrial markets.Blow molding within the wider plastic product manufacturing industry.
Technical specifications for 6ES7138-4CA00-0AA0
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Product Model6ES7138-4CA00-0AA0
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Product ParametersDiagnosed 24 V DC Load Power Module
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In stock10 units
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ManufacturerSiemens
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Rated load voltage24 V DC
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Current-carrying capacityMaximum 10 A up to 60 °C
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No-load current from L+Maximum 4 mA
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Typical power loss0.1 W
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Load-supply protectionExternal protection required; characteristic C recommended; no internal short-circuit protection
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Reverse-polarity protectionProvided
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Load-voltage diagnosticsMissing load voltage can be enabled or disabled
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Diagnostic informationReadable diagnostic information supported
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Status indicatorsGreen PWR for rated load voltage; red SF for group error
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Parameter data3 bytes
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Electrical isolationBetween rated load voltage and backplane bus, and between power modules
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Isolation test voltage500 V DC; test value, not an operating supply rating
View all additional
Alternative Names
6ES7138-4CA00-0AA0
SIMATIC ET 200S PM-E 24 VDC
Diagnosed Load Power Module for ET 200S PM-E 24 VDC
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
ET 200S LOAD-SUPPLY DIAGNOSTICS
Coordinate the load-current budget, protection and diagnostics
Treat the 10 A specification as the module current-carrying limit, not as evidence of a self-contained power supply. The exact data sheet defines a nominal 24 V DC load voltage and a maximum 10 A capacity up to 60 degrees Celsius. Check the external supply and connected load budget together; the module itself draws no more than 4 mA from L+ without load.
Provide the load-supply protection outside the module. Siemens explicitly lists no internal short-circuit protection and recommends characteristic C for the supply-line protective device. Reverse-polarity protection is a separate documented feature and must not be substituted for overcurrent protection. Match the final protective arrangement to the conductors, connected loads and approved installation documentation rather than selecting a breaker solely from the module current rating.
Configure missing-load-voltage reporting deliberately instead of relying only on the front indicators. The module has three bytes of parameter data and supports enabling or disabling that diagnostic. Green PWR identifies load-voltage status, red SF identifies a group error, and readable diagnostic information supports fault assessment. Preserve the selected reporting behavior in the project so an absent supply is handled as intended.
Features:
- Load-current budget at 24 V DC
- External supply-line protection
- Configurable missing-voltage reporting
The Siemens 6ES7138-4CA00-0AA0 requires the documented hardware configuration, installation conditions and interface arrangement to be verified before system integration and commissioning.
INTERCHANGEABILITY
Verify 6ES7138-4CA00-0AA0 diagnosed load power module
Use the complete 6ES7138-4CA00-0AA0 code when comparing the installed unit and proposed spare. The PM-E family name alone does not establish identical voltage, diagnostic or terminal-base behavior across order numbers. The reviewed exact-model data sheet confirms electrical characteristics but does not document a universal CA00-to-CA01 replacement. Retain the installed terminal-base identity and consult the applicable manufacturer documentation before accepting a different suffix.
Record the existing load-supply circuit, its protective device and the configured missing-load-voltage setting before replacement. The original CA00 specification calls for external short-circuit protection and identifies configurable diagnostic reporting. A replacement review should therefore cover both the physical supply arrangement and the project configuration; restoring only the module name in a parts list would not preserve those two independently documented requirements.
When checking the replacement installation, distinguish supply indication from process verification. PWR and SF identify load-voltage and group-error status, while readable diagnostics provide additional information for the accepted test procedure. Confirm that the intended voltage reporting has been restored and that affected equipment passes the site verification. Do not use the 500 V DC isolation-test value as a permissible operating supply voltage.
Features:
- Exact CA00 identity and terminal-base check
- Protection and parameter-setting record
- Supply status distinguished from functional testing
The Siemens 6ES7138-4CA00-0AA0 requires replacement verification based on its complete order number, installed hardware, signal configuration and project 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 6ES7138-4CA00-0AA0 diagnosed load power 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
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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 sizeConfirm final packed dimensions
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Shipping weightConfirm final packed weight
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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 reference8538900000
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OriginConfirm supplied-unit origin
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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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Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6ES7138-4CA00-0AA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Does the 10 A rating describe a 24 V power supply output?
No. Siemens specifies a current-carrying capacity for this ET 200S power module. The figure is not evidence of an independent AC-to-DC power supply or voltage converter. The external load supply and connected equipment must be assessed separately. -
Is an external short-circuit protective device still required?
Yes. The exact data sheet states that load-voltage short-circuit protection is external and recommends characteristic C for supply-line protection. Its separate reverse-polarity protection does not establish internal short-circuit protection. Select the protective arrangement using the complete installation documentation. -
Can missing-load-voltage reporting be disabled?
Yes. The parameter table lists missing load voltage as disable/enable and identifies three bytes of parameter data. Record the accepted project setting before replacement so that the diagnostic behavior is not unintentionally changed. -
What do the PWR and SF indicators represent?
The green PWR indicator identifies rated load-voltage status, while the red SF indicator identifies a group error. Readable diagnostic information is also supported. These indications should be interpreted with the configured diagnostics, not as proof that every downstream process signal is correct. -
Does the 500 V DC figure permit a higher supply voltage?
No. It is the documented isolation-test voltage. The nominal load-voltage rating remains 24 V DC. Siemens specifies separation between the rated load supply and backplane bus and between power modules; the test value is not an operating rating. -
Are 15 x 81 x 52 mm and 35 g the shipping specifications?
No. They are the bare-module dimensions and approximate product mass in the original data sheet. They do not confirm the final packed dimensions or gross shipping weight. Packing and shipment values require separate confirmation for the actual order.
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