Siemens 6ES5375-0LC31 S5 Memory Submodule

Reliable Program Storage and Expansion

The 6ES5375-0LC31 functions as a memory submodule for the Siemens SIMATIC S5 programmable controller series. This plug-in unit provides additional program and data storage capacity. It stores application logic, configuration parameters, and process variables securely. The submodule features battery-backed operation for data retention. Consequently, it ensures program integrity and seamless system restarts.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Series	SIMATIC S5
Category	Memory Submodule
Part Number	6ES5375-0LC31
Memory Type	Battery-backed RAM
Memory Capacity	8 KB
Battery Type	Lithium coin cell (soldered)
Battery Life	7 years (typical)
Data Retention	Unlimited (with battery)
Access Time	120 ns
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +85°C
Dimensions	Standard S5 submodule size
Weight	0.15 kg
Status Indicators	LED (battery low warning)

Memory Management Features

The 6ES5375-0LC31 provides reliable program storage with battery backup. It expands the memory capacity of S5 CPUs beyond standard on-board memory. The submodule continuously monitors battery status and provides a low-battery warning. Moreover, it supports program transfer and backup between controllers. The robust design ensures secure retention of critical application data for years.

Integration and Application

This memory submodule plugs directly into the designated memory slot of S5 CPUs. The 6ES5375-0LC31 supports program backup and data management in industrial automation applications. Users can store larger programs or additional data blocks without CPU limitations.