Product Overview:
The SIEMENS SIMATIC S5 310 CPU 941, identified by part number 6ES53105AA12 or 6ES5 310-5AA12, is a robust and reliable central processing unit (CPU) designed for the venerable SIMATIC S5-300 programmable logic controller (PLC) series. As the brain of the automation system, this CPU is engineered to execute complex control programs, manage industrial processes, and ensure seamless communication within diverse manufacturing and process control environments. Despite being a legacy component, the CPU 941 remains a critical part of many existing industrial installations, offering proven stability and performance for demanding automation tasks. It is an ideal solution for maintaining or upgrading existing S5 systems, providing the core intelligence required for precise machine control, data acquisition, and system diagnostics in critical industrial applications. This module is essential for industries seeking dependable and efficient control over their production lines and operational processes.

 
Technical Specifications:

 Part Number: 6ES53105AA12
 Alternative Part Number: 6ES5 310-5AA12
 Product Type: Central Processing Unit (CPU)
 Series: SIEMENS SIMATIC S5-300
 Model: CPU 941
 Work Memory: 8 KB
 Load Memory: 16 KB
 Processing Time (Bit Operations): Approximately 0.8 ms per 1000 instructions
 Interfaces: 1 x PG/OP Interface (RS-485)
 Programming Language: STEP 5
 Power Consumption: Approximately 1.5 A (from 5V DC backplane supply)
 Operating Temperature: 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)
 Storage Temperature: -40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit)
 Mounting Type: Rack mounting (for SIMATIC S5-300 racks)
 Weight: 0.5 kg (1.1 lbs)
 Dimensions (Approximate): Standard S5 module width, typically 50 mm (2 inches)
 Status: Discontinued by manufacturer, available as refurbished or used for system maintenance and upgrades.