Siemens 6ES5374-1FJ21 Memory Card Module

Product manual:

Siemens 6ES5374-1FJ21 is a memory card module in the SIMATIC S5 series, used to expand the storage capacity of PLC systems. Here is a brief information about the module:
Main features:
Module type: Storage card module
Series: SIMATIC S5
Function: Provides additional storage space for storing programs, data, and configuration information
Storage type: usually EEPROM or similar non-volatile storage media
Interface: Connect to PLC through SIMATIC S5 system bus
Application:
Program storage: used to store PLC programs and control logic
Data storage: Save system configuration information, parameters, and status data
Backup: Provide data backup and recovery capabilities for the system
Summary:
The Siemens 6ES5374-1FJ21 memory card module is designed to expand the storage capacity of SIMATIC S5 series PLC systems, supporting the storage and backup of programs and data. It ensures that the system can save necessary data and configurations during operation.

Product details picture:

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