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Siemens 6ES7953-8LJ30-0AA0

SKU: 6ES7953-8LJ30-0AA0-FS-EU

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

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Product Specifications

brand name Siemens

The Siemens part number 6ES7953-8LJ30-0AA0 is a programmable logic controller (PLC) module designed for industrial automation applications. This module is part of the Siemens SIMATIC S7-300 series, which is a family of compact and flexible PLCs widely used in various industries.

Technical Specifications

  • Processor: The 6ES7953-8LJ30-0AA0 module is equipped with a Siemens S7-300 CPU 313C, which is a 32-bit processor with a clock speed of 24 MHz.
  • Memory: The module has 128 KB of program memory and 16 KB of data memory.
  • Communication: It supports various communication protocols such as PROFIBUS, PROFINET, and Ethernet.
  • Power Supply: The module requires an external power supply of 24 V DC, with a maximum consumption of 2.5 A.

Alarm and Error Codes

  • Error Codes: The module can generate several error codes, including CPU errors, communication errors, and memory errors. These error codes are displayed on the PLC's display screen and can also be accessed through the Siemens SIMATIC Manager software.
  • Alarm Codes: The module can also generate alarm codes for various conditions such as power supply issues, overheating, or communication failures. These alarm codes are used to alert operators of potential problems and are displayed on the PLC's display screen.

User Manuals

  • Operating Manual: The Siemens part number 6ES7953-8LJ30-0AA0 comes with a comprehensive operating manual that provides detailed information on the module's installation, configuration, and operation.
  • Programming Manual: Additionally, a programming manual is available that covers the programming of the PLC module using the Siemens SIMATIC STEP 7 software.


  • Troubleshooting Guide: Siemens provides a troubleshooting guide for the 6ES7953-8LJ30-0AA0 module, which includes common issues and their solutions, as well as more detailed troubleshooting procedures for specific problems.
  • Error Code Lookup: The troubleshooting guide also includes a lookup table for error codes, allowing users to quickly identify the cause of an error and the necessary steps to resolve it.


  • Programming Software: The Siemens SIMATIC STEP 7 software is used to program the 6ES7953-8LJ30-0AA0 module. This software provides a graphical user interface for creating and editing PLC programs.
  • Programming Languages: The software supports various programming languages, including Ladder Logic, Function Block, and Structured Text.


  • Installation Guide: The Siemens part number 6ES7953-8LJ30-0AA0 comes with an installation guide that provides detailed instructions on the installation and configuration of the PLC module.
  • Mounting Options: The module can be mounted in a variety of ways, including DIN rail mounting and panel mounting.

In summary, the Siemens part number 6ES7953-8LJ30-0AA0 is a programmable logic controller module designed for industrial automation applications. It offers a range of technical specifications, including a 32-bit processor, various communication protocols, and a compact design. The module also includes features such as alarm and error codes, user manuals, troubleshooting guides, programming software, and installation instructions.

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