Description

The Siemens 6ES5948-3UR23 is a high-performance Central Processing Unit (CPU) designed for the SIMATIC S5-155H automation system. As a core component of the S5 series, the CPU 948R provides robust logic processing capabilities for complex industrial control applications. This unit features 1600 KB of integrated RAM, supporting demanding automation tasks in fault-tolerant or high-availability configurations.

Features

• Designed specifically for the Siemens SIMATIC S5-155H programmable controller system.
• Integrated 1600 KB RAM for program storage and data processing.
• Supports high-availability (H-system) operation typical of the S5-155H architecture.
• Reliable processing performance for industrial automation environments.

Technical Specifications

Installation Guidelines

• Ensure the power supply is disconnected before inserting or removing the CPU module from the S5 rack.
• Handle the module using proper ESD (Electrostatic Discharge) precautions to prevent damage to internal circuitry.
• Verify that the module is fully seated in the designated slot of the S5-155H backplane to ensure proper bus communication.
• Ensure adequate ventilation in the control cabinet to maintain operating temperatures within the specified limits for S5 hardware.
• Check that all backplane connectors are free of debris or oxidation before installation.

FAQ

Is the Siemens 6ES5948-3UR23 still in production?

No, this model has been discontinued by the manufacturer. It is typically sourced as a spare part for maintaining legacy SIMATIC S5-155H systems.

What is the primary application for this CPU?

The CPU 948R is primarily used in the S5-155H system, which is often utilized in high-availability industrial applications requiring redundant processing.