PLCs, Power Supplies & Others

Central Processing Unit for SIMATIC S5 Systems

This CPU module provides the processing power for the SIMATIC S5 programmable logic controllers. The 6ES5920-3UA11 executes control programs and coordinates all system activities with precision. It integrates processor, memory, and communication interfaces into a single compact module. The CPU supports a wide range of programming functions for complex automation tasks. Its robust design ensures dependable operation in demanding industrial environments.

Technical Specifications and Physical Attributes

The 6ES5920-3UA11 operates on a 5 V DC supply from the S5 backplane. It provides 16 KB of RAM for program and data storage. The module includes 4 KB of EPROM for permanent program retention. For connectivity, it features a 15-pin Sub-D interface for point-to-point communication. The unit measures 232 mm in depth and 25 mm in width. It weighs approximately 0.5 kg. Furthermore, the CPU processes 1,000 binary statements within 1 to 4 ms for fast response. Its operating temperature spans 0 °C to 60 °C for consistent industrial operation.

Integration and Application Guidance

This CPU module serves as the brain for small to medium-scale S5 automation projects. First, insert the 6ES5920-3UA11 securely into the designated slot of the S5 rack. Then, connect the input and output devices to the front connector terminals. For the communication port, wire the Sub-D connector to peripheral devices as needed. Additionally, program the CPU using the STEP 5 software via the programming interface. The 6ES5920-3UA11 suits applications in material handling, packaging, and simple process control.

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