Siemens 6ES7138-4CA01-0AA0
Siemens 6ES7138-4CA01-0AA0
Siemens 6ES7138-4CA01-0AA0
Siemens 6ES7138-4CA01-0AA0
Siemens 6ES7138-4CA01-0AA0
Siemens 6ES7138-4CA01-0AA0
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power specializes in sourcing obsolete Siemens 6ES7138-4CA01-0AA0 PM-E modules, delivering reliable, factory-tested replacement components to keep your legacy ET 200S distributed I/O systems running smoothly.

6ES7138-4CA01-0AA0

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The Siemens 6ES7138-4CA01-0AA0 is a SIMATIC ET 200S PM-E power module engineered to deliver reliable, diagnostics-driven 24V DC power distribution across downstream electronic I/O groups.
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Technical specifications for 6ES7138-4CA01-0AA0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7138-4CA01-0AA0
  • Product Family:
    Siemens Simatic ET 200SP
  • Product Type:
    Power Module
  • Stock:
    1
  • Rated Load Voltage (L+):
    24 V DC
  • Permissible Range (Static):
    20.4 V DC to 28.8 V DC
  • Current Consumption (No Load):
    Max. 4 mA (From load voltage 1L+)
  • Current Carrying Capacity:
    Max. 10 A (Up to 60 °C ambient)
  • Power Loss (Typical):
    0.1 W
  • Reverse Polarity Protection:
    Yes (Integrated)
  • Short-circuit Protection:
    No (Requires external MCB protection)
  • Galvanic Isolation:
    Between load voltage and backplane bus
  • Isolation Test Voltage:
    500 V DC for 1 minute
  • Status Indicators:
    PWR (Green): Rated load voltage
  • Operating Temperature (Horizontal):
    0 °C to +60 °C
  • Operating Temperature (Vertical):
    0 °C to +50 °C
  • Storage/Transport Temperature:
    -40 °C to +70 °C
  • Relative Humidity:
    5% to 95% (Non-condensing)
  • Weight:
    0.05 kg
  • Estimated shipping dimensions:
    1.5x5.5x8.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Configuration Safety & Compliance

Features:

  • Intelligent Real-Time Fault Diagnostics
  • High-Density 10A Continuous Power Bus
  • Seamless Hot-Swapping & Modular Elasticity
The Siemens 6ES7138-4CA01-0AA0 is engineered with a proactive hardware monitoring engine that instantly detects a missing load voltage condition across its active potential group. It transmits a group error code to the controller via the backplane, triggering the red SF LED indicator to pinpoint the exact root cause of field power issues within seconds.

Despite an ultra-slim 15 mm housing designed to optimize precious DIN-rail footprint, the Siemens 6ES7138-4CA01-0AA0 boasts an industrial-grade internal busbar capable of handling up to 10 A of continuous current. This allows heavy-duty deployment scenarios where multiple downstream digital and analog modules require robust, centralized power delivery.

Designed around the proven ET 200S terminal module architecture, the Siemens 6ES7138-4CA01-0AA0 supports permanent wiring, enabling hot-swapping under voltage without disrupting the communication backplane. This guarantees rapid module replacement and flexible system expansion without modifying the underlying structural wiring layout.

The 6ES7138-4CA01-0AA0 Siemens SIMATIC DP PM-E 24VDC Power Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7138-4CA01-0AA0 SIMATIC DP PM-E 24VDC Power Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Siemens 6ES7138-4CA01-0AA0 SIMATIC DP PM-E 24VDC Power Module

General

  • Manufacturer Siemens
  • Model 6ES7138-4CA01-0AA0
  • Condition New Original ready stock
  • Product Family 6ES7135-0HF01-0XB0,6ES7151-1CA00-1BL0,6ES7195-7HF80-0XA0
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • High-Availability Factory Automation: Extensively deployed in automotive assembly lines and packaging machinery where unexpected power drops can disrupt tight synchronous motion control loops.
  • Process Engineering Plant Ecosystems: Ideal for water treatment, chemical dosing, and material handling systems that rely on segmented I/O groups to isolate field instrument faults.
  • Infrastructure & Energy Management: Utilized in HVAC, building automation, and remote pumping stations to provide clear telemetry of secondary power distribution networks.
  • Intralogistics & Conveyor Routing: Integrated within large-scale automated warehouses to supply safe, reliable power to distributed sorting gates and sensor hubs across expansive layouts.
  • STEP 7 & TIA Portal Hardware Catalog: The Siemens 6ES7138-4CA01-0AA0 is natively recognized inside the hardware configuration environment under the SIMATIC ET 200S PM-E catalog segment, allowing rapid drag-and-drop parameterization.
  • Automated Address Mapping: When inserted, this module does not consume physical process image input/output data addresses but occupies logical diagnostic bytes mapped automatically by the IM151 interface module.
  • GSD/GSDML Profibus & Profinet Integration: For third-party master configurations (such as AB, Schneider, or Omron PLCs), the module's behavioral characteristics are fully governed by standard Siemens GSD files, guaranteeing effortless configuration.
  • Programmable Diagnostic Interrupts: Control engineers can leverage Organization Blocks (such as OB82) within Siemens S7 PLCs to capture the "missing voltage" bit from the module, enabling custom automated safety shutdowns or HMI alarms.
  • Rigorous Galvanic Isolation Barrier: Incorporates optocoupler and transformer isolation protocols to separate the 24V DC field load loop from the low-voltage microelectronic backplane, protecting the CPU from heavy surges.
  • CE & Global Electromagnetic Compatibility (EMC): Fully compliant with EN 61000-6-2 and EN 61000-6-4 standards, ensuring stable performance in severe electromagnetic environments close to high-power variable frequency drives.
  • Hazardous Area Certification Path: Manufactured to conform with ATEX/IECEx Zone 2 and Class I Div 2 standards when mounted inside an appropriately sealed, IP54-rated industrial control enclosure.
  • Marine & Heavy Industrial Approvals: Meets stringent international marine certification standards (such as DNV, GL, and LR), proving resistance to prolonged mechanical vibrations and high-humidity ambient environments.
Description
The Siemens 6ES7138-4CA01-0AA0 acts as the foundational gateway for building isolated potential groups within the SIMATIC ET 200S distributed I/O architecture. By segmenting the backplane load voltage, it ensures that localized power fluctuations or field-side faults do not propagate to adjacent modules, shielding your critical control loops from unexpected interference.

Designed for high-availability applications, the Siemens 6ES7138-4CA01-0AA0 features an active onboard diagnostics function that instantly identifies a total loss of load voltage. It transmits these real-time hardware status interrupts directly to the central PLC, allowing maintenance teams to troubleshoot issues remotely before they escalate into costly production stoppages.  

Built with professional-grade industrial compliance in mind, the Siemens 6ES7138-4CA01-0AA0 integrates secure galvanic isolation between the input load voltage and the internal backplane bus. This rigorous electrical separation, combined with built-in reverse polarity protection, safeguards sensitive silicon components from wiring errors during rapid field installations.  

Despite its ultra-compact 15 mm form factor, the Siemens 6ES7138-4CA01-0AA0 supports a continuous current carrying capacity of up to 10 A at peak thermal limits. This exceptional power density allows engineers to drive multiple high-draw digital outputs, sensors, and actuators from a single compact footprint, maximizing cabinet space efficiency.
Alternative Names
6ES7I38-4CA0I-0AA0 6ES7138-4CAO1-OAAO 6ES7I38-4CAOI-OAAO 6ES713B-4CA01-0AA0 6ES7135-0HF01-0XB0 6ES7151-1CA00-1BL0 6ES7195-7HF80-0XA0
Technical notes
The Siemens 6ES7138-4CA01-0AA0 must be deployed with an external, fast-acting miniature circuit breaker (Type C recommended) since it does not feature onboard short-circuit protection. Additionally, when engineering potential groups, ensure that the cumulative current consumption of all downstream ET 200S modules linked to this Siemens 6ES7138-4CA01-0AA0 does not exceed its maximum 10 A thermal threshold.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How does the Siemens 6ES7138-4CA01-0AA0 handle internal diagnostics tracking over PROFINET or PROFIBUS networks?
The Siemens 6ES7138-4CA01-0AA0 monitors the 24V DC field supply voltage dynamically. When a "missing load voltage" fault is detected, the module asserts a diagnostic interrupt through the ET 200S backplane to the Interface Module (IM 151). This triggers a standard upstream diagnostic telegram to the master PLC, mapping the fault directly to the system diagnostic buffer without requiring custom ladder logic.
What is the exact difference between the Siemens 6ES7138-4CA01-0AA0 and its predecessor 6ES7138-4CA00-0AA0 regarding software configuration?
The Siemens 6ES7138-4CA01-0AA0 serves as a direct, drop-in functional replacement for the older 4CA00 model. From a software perspective in STEP 7 or TIA Portal, you can insert the newer Siemens 6ES7138-4CA01-0AA0 into physical racks even if the hardware configuration project file specifies the older 4CA00 part number; the backplane system automatically handles downward compatibility.
Does the Siemens 6ES7138-4CA01-0AA0 require special wiring considerations for its physical I/O terminal connection?
Yes, the Siemens 6ES7138-4CA01-0AA0 must be slotted into a compatible TM-P terminal module (such as the TM-P15S23-A1 or TM-P15C23-A1). The external 24V DC incoming feeder cables are wired directly to the terminal block's designated contacts, which in turn feed the internal power busbar without loading the electronic module housing itself.
Can the Siemens 6ES7138-4CA01-0AA0 module be hot-swapped under field load conditions during active machinery operations?
Yes, the Siemens 6ES7138-4CA01-0AA0 supports hot-swapping, provided that your interface module and underlying ET 200S configuration have the "Hot Swapping" attribute enabled in the hardware manager. Unplugging the Siemens 6ES7138-4CA01-0AA0 will safely de-energize the load voltage of its specific downstream potential group while keeping the rest of the ET 200S station communicating normally.
What environmental and safety certifications does the Siemens 6ES7138-4CA01-0AA0 conform to for hazardous installations?
The Siemens 6ES7138-4CA01-0AA0 carries standard CE marks and complies with UL/CSA industrial control equipment testing standards. When installed correctly within an approved, protective industrial cabinet with at least an IP54 protection rating, it meets the requirements for installation in hazardous explosive atmospheres designated under ATEX Zone 2 regulations.

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