Siemens

Siemens 6ES5928-3UA21 SIMATIC S5 CPU 928A Standard CPU

SKU 6ES5928-3UA21

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Siemens

  • Product No.: 6ES5928-3UA21

  • Country of origin:Germany

  • Product Type: Standard CPUs

  • Barcode: 85371091

  • Payment: T/T, Western Union

  • Weight: 500g

  • Dimensions: 25.00cm x 12.00cm x 10.00cm

  • Shipping port: Xiamen

  • Warranty: 12 months

 

The 6ES5928-3UA21 is a CPU 928A module designed for the SIMATIC S5-135U and S5-155U automation systems. This single-width central processing unit provides reliable logic execution and control capabilities for industrial automation environments. Engineered for robust performance, the CPU 928A ensures seamless integration into existing SIMATIC S5 infrastructures, serving as a key component for maintaining critical process automation.

Features

  • System Compatibility: Designed for S5-135U and S5-155U programmable logic controllers.

  • Form Factor: Single-width module for compact cabinet installation.

  • Operational Reliability: Proven performance for industrial control tasks and process continuity.

  • Versatility: Supports both new installations and legacy system maintenance.

Applications

  • Automated manufacturing and production lines

  • Legacy PLC system maintenance and infrastructure upgrades

  • Process control and monitoring in heavy industry

  • Replacement and spare part for S5-135U and S5-155U systems

Technical Specifications

Feature Specification
Manufacturer Siemens
Brand SIMATIC S5
Series S5-135/155
Module Type CPU 928A
Product Phase Obsolete
Predecessor 6ES5928-3UA12
Successor 6ES5928-3UB21
Dimensions (H x W x D) 25.00 x 12.00 x 10.00 cm
Weight 0.50 kg
Commodity Code 85371091

Installation Guidelines

  • Handling: Always ensure power is disconnected before installing or removing the CPU module to prevent electrical damage to the backplane or module circuitry.

  • Mounting: Insert the module into the designated slot of the S5-135U or S5-155U rack, ensuring it is seated securely. Use the locking mechanisms to fasten the unit to the chassis.

  • Environment: Operate within the specified environmental limits to prevent overheating or signal interference. Ensure the control cabinet is clean and dry.

  • Static Precautions: The module contains sensitive electronic components. Utilize anti-static wrist straps during handling to prevent damage from electrostatic discharge.

 

FAQ

What systems is the 6ES5928-3UA21 compatible with?

This CPU 928A module is compatible with Siemens SIMATIC S5-135U and S5-155U automation systems.

Is this CPU module single-width?

Yes, it is designed as a single-width module.

Is the 6ES5928-3UA21 still an active product?

No, this product is currently classified as obsolete.

What is the recommended successor for this CPU?

The recommended successor is the 6ES5928-3UB21.

View all FAQs →

Quantity
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern
Green
Country of origin
Germany
Power source
AC-powered

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