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Siemens SIMATIC Memory Card C7904-420-C42-01-87

Siemens SIMATIC Memory Card C7904-420-C42-01-87.

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ManufacturerSiemens

Part numberC7904-420-C42-01-87

Part Number C7904-420-C42-01-87

Manufacturer Siemens

Series SIMATIC

Product Type Memory Card

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SIMATIC S7 Compatibility PLC Program Storage Data Backup and Transfer External Memory Expansion

Product description

The Siemens C7904-420-C42-01-87 is a SIMATIC memory card designed for use with Siemens S7 automation systems. This memory card serves as external storage for PLC program data, configuration files, and other essential information, allowing for easy program backup, transfer, and expansion of system memory.

This component is vital for PLC programming, system maintenance, and ensuring data integrity in industrial automation environments. It is compatible with various SIMATIC S7 PLC models, providing a reliable solution for memory management.

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Technical specifications

Part Number	C7904-420-C42-01-87
Manufacturer	Siemens
Series	SIMATIC
Product Type	Memory Card
Application	PLC Program Storage

Common applications

SIMATIC S7 PLC Programming

Industrial Automation

System Configuration

Data Logging

Compatible systems

Siemens SIMATIC S7 PLCs

Also known as

Siemens S7 Memory Card

Replaces / compatible with

This memory card is designed for specific SIMATIC S7 PLC series. Consult Siemens documentation for exact compatibility with your PLC model.

Technical note

Expert tip

Always ensure the memory card is correctly inserted into the designated slot on the SIMATIC S7 PLC before powering on the system to prevent potential data corruption.

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Frequently asked questions

What is the purpose of the Siemens SIMATIC Memory Card C7904-420-C42-01-87?

The Siemens SIMATIC Memory Card C7904-420-C42-01-87 is used to store the operating program and data for SIMATIC S7 Programmable Logic Controllers (PLCs). It facilitates program backup, transfer between PLCs, and allows for memory expansion.