Siemens

Siemens 6ES5581-0ED14 SIMATIC S5 CP 581 Communications Processor

SKU 6ES5581-0ED14

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

  • Product No.: 6ES5581-0ED14

  • Country of origin:Germany

  • Product Type: PLC Communications Processors

  • Barcode: 85389099

  • Payment: T/T, Western Union

  • Weight: 450g

  • Dimensions: 9.10 x 12.00 x 12.60 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

The Siemens 6ES5581-0ED14 is a CP 581 communications processor designed for the SIMATIC S5 automation platform. This module is a 486-based basic model featuring a 133 MHz processor and is pre-loaded with MS-DOS 6.2 (German language version). It is engineered for integration with S5-115U, S5-135U, and S5-155U programmable logic controllers. This specific part number is supplied without any working memory, which must be sourced and installed separately. As an obsolete component, it serves as a critical spare part for maintaining and extending the operational life of legacy SIMATIC S5 control systems.

Features

  • 486-based processor operating at 133 MHz
  • Pre-installed MS-DOS 6.2 operating system (German language)
  • Supplied without working memory
  • Designed for use with SIMATIC S5-115U, S5-135U, and S5-155U PLC systems
  • Direct replacement for predecessor part number 6ES5581-0ED13

Applications

  • Legacy system maintenance and repair
  • Industrial data processing and communication tasks in S5 environments
  • Manufacturing and process control automation
  • Spare part inventory for critical infrastructure running on SIMATIC S5

Technical Specifications

Specification Value
Manufacturer Siemens
Part Number 6ES5581-0ED14
Product Family SIMATIC S5
Module Type CP 581/486 Communications Processor
Processor Speed 133 MHz
Operating System MS-DOS 6.2 (German)
Memory Configuration Supplied without working memory
PLC Compatibility S5-115U, S5-135U, S5-155U
Product Lifecycle Status Obsolete
Predecessor Part Number 6ES5581-0ED13
Shipping Weight 0.45 kg
Package Dimensions (Calculated) 9.10 x 12.00 x 12.60 cm
Commodity Code 85389099
ECCN 5D992
Country of Origin Germany (Estimated)

Installation Guidelines

CRITICAL WARNING: Risk of equipment damage and electric shock. Always de-energize the entire PLC rack and follow all local Lockout/Tagout (LOTO) procedures before attempting to install, remove, or service any module. This device contains components sensitive to electrostatic discharge (ESD).

  1. 1 Ensure the S5 rack is completely powered down and locked out. Verify zero energy state with a calibrated multimeter.
  2. 2 Use a properly grounded ESD wrist strap and work on an ESD-safe surface. Unpack the module, avoiding contact with backplane connectors and component leads.
  3. 3 Select the designated slot in the S5 chassis. Carefully align the module's card-edge connector with the corresponding backplane socket.
  4. 4 Apply firm, even pressure to slide the module into the slot until it is fully seated in the backplane connector. Do not force the module.
  5. 5 Secure the module to the chassis by tightening the retaining screws on the front panel. Do not overtighten.
  6. 6 After installation is complete and all modules are secured, remove the LOTO device and re-apply power to the system.
  7. 7 Observe the module's status indicators (if any) during power-up to verify correct initialization and communication with the CPU.

FAQ

Which SIMATIC S5 PLC series is the 6ES5581-0ED14 compatible with?

This communications processor is designed for use with the Siemens SIMATIC S5-115U, S5-135U, and S5-155U series PLCs.

Does this module include working memory?

No, the 6ES5581-0ED14 is explicitly supplied without working memory. Memory must be procured and installed separately.

What operating system is pre-installed on this CP 581 module?

The module comes with MS-DOS version 6.2 pre-installed. Please note that this version is in the German language.

Is the 6ES5581-0ED14 a current Siemens product?

No, this part number is classified as obsolete. It is primarily available as a spare part for the maintenance of existing legacy S5 control systems.

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, 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

Country of origin
Germany

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