Product Overview:
The Siemens SIMATIC S5 581-1LA11 EPROM Memory Module is a crucial component designed for reliable program and data storage within Siemens SIMATIC S5 Programmable Logic Controllers (PLCs). As a 128KB Erasable Programmable Read-Only Memory (EPROM) module, the 6ES55811LA11 provides non-volatile storage, ensuring that critical automation programs and configuration data are retained even during power outages. This genuine Siemens module is engineered for robust performance in demanding industrial environments, offering exceptional durability and long-term stability. It is an essential spare part or replacement for maintaining the operational integrity of existing SIMATIC S5 systems, supporting a wide range of industrial automation applications from process control to machine operation. Its proven reliability makes it a cornerstone for legacy system support, ensuring continued productivity and minimizing downtime in manufacturing and industrial facilities worldwide. This module is vital for companies seeking to extend the lifespan of their established Siemens S5 automation infrastructure.

 
Technical Specifications:

 Part Number: 6ES55811LA11
 Alternative Part Number: 6ES55811LA11
 Module Type: EPROM Memory Module
 Series: Siemens SIMATIC S5
 Memory Capacity: 128 KB (Kilobytes)
 Memory Type: Erasable Programmable Read-Only Memory (EPROM)
 Compatibility: Siemens SIMATIC S5 PLC series (e.g., S5-115U, S5-135U, S5-155U)
 Non-Volatile: Yes
 Operating Temperature: 0°C to +60°C (32°F to +140°F)
 Storage Temperature: -25°C to +70°C (-13°F to +158°F)
 Relative Humidity: 5% to 95% non-condensing (without condensation)
 Weight: Approximately 0.1 kg (0.22 lbs)
 Protection Class: IP20 (when installed in a suitable enclosure)
 Mounting Type: Rack-mounted (within SIMATIC S5 PLC rack)