Siemens

Siemens 6ES5526-3LA21 SIMATIC S5 CP 526 Communication Module

SKU 6ES5526-3LA21

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

  • Manufacturer: Siemens

  • Product No.: 6ES5526-3LA21

  • Country of origin:Germany

  • Product Type: CoMMunication Modules

  • Barcode: 85389091

  • Payment: T/T, Western Union

  • Weight: 350g

  • Dimensions: 10.20cm x 4.90cm x 10.20cm

  • Shipping port: Xiamen

  • Warranty: 12 months

The 6ES5526-3LA21 is a CP 526 Expansion Board designed for the SIMATIC S5 automation system. This communication module facilitates efficient data exchange and enhances the processing capabilities of existing industrial control environments. Engineered for seamless integration, the 6ES5526-3LA21 is suited for both retrofitting legacy installations and expanding current system architectures. Its durable construction ensures stable performance in demanding industrial applications, providing a reliable solution for process management and controller communication.

Features

  • CP 526 Expansion Board for SIMATIC S5 systems.
  • Designed for enhanced communication and system functionality.
  • Compact form factor for efficient control panel space utilization.
  • Robust construction for reliable operation in industrial settings.
  • Compatible with various Siemens process controllers and PLCs.

Applications

  • Retrofitting and maintenance of legacy SIMATIC S5 automation systems.
  • Expansion of communication capabilities in process control environments.
  • Data exchange management between PLC components.
  • Industrial process monitoring and control.

Technical Specifications

Parameter Specification
Manufacturer Siemens
Brand SIMATIC S5
Range NET
Product Type Communication Module
Module Model CP 526
Dimensions 10.20 cm x 4.90 cm x 10.20 cm
Weight 0.35 kg
Commodity Code 85389091

Installation Guidelines

  • Handling: As this is an electronic expansion board, observe standard ESD (Electrostatic Discharge) precautions during handling and installation.
  • Mounting: Ensure the module is firmly seated in the appropriate rack slot to ensure reliable backplane communication.
  • Integration: Verify firmware and system configuration compatibility with your specific S5 PLC CPU prior to commissioning.
  • Environment: Install in a clean, dry environment within the cabinet to prevent environmental degradation of the legacy electronic components.

FAQ

What is the primary function of the 6ES5526-3LA21?
It is a CP 526 expansion board designed for the SIMATIC S5 system to enhance communication and process control functionality.

Which product range is this module designed for?
This module is designed for the Siemens SIMATIC S5 automation range.

Is this module suitable for retrofitting?
Yes, its design makes it suitable for both retrofitting legacy systems and expanding new system configurations.

View all FAQs →

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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.

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
Dots
Country of origin
Germany

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