PLCs, Power Supplies & Others

High-Performance Processor for S5 Systems

The Siemens 6ES5942-7UF13 functions as a central processing unit for the SIMATIC S5 programmable controller family. This CPU executes 16-bit logic operations at a speed of 0.55 ms per 1K of instruction code . It stores 42 KB of user program memory in battery-backed RAM for reliable retention . Consequently, this processor suits mid-to-large automation tasks in manufacturing and process industries.

Memory Architecture and Data Handling

The 6ES5942-7UF13 provides 42 KB of RAM for program blocks, data blocks, and system flags . It also integrates 10 KB of EPROM for firmware storage . The processor manages up to 1024 digital and 128 analog I/O points . Furthermore, it supports 256 timers and 256 counters for comprehensive control .

Communication and Expansion Capability

This CPU includes a built-in serial interface for programming and operator communication . It supports the SINEC L2 bus for multi-processor networks . The Siemens 6ES5942-7UF13 connects to remote I/O through the central rack backplane . It also accommodates a second interface module for additional channels .

Physical Specifications and Installation

The processor weighs 1.6 kilograms and occupies a standard S5 single-width slot . It mounts directly into any S5 rack using the backplane connector . The 6ES5942-7UF13 requires a 24 V DC supply for operation . Its front panel includes LED status indicators for run, stop, and fault conditions .

Environmental and Operating Parameters

This CPU operates reliably from 0 to 60 °C ambient temperature range . It stores between -40 and 70 °C during extended inactivity . The Siemens 6ES5942-7UF13 meets IP20 protection standards for control cabinets . Its design withstands industrial vibration and electromagnetic interference levels .

Technical Specifications

Details