Siemens 6ES5948-3UR23 Processor Module

Product Description

The Siemens 6ES5948-3UR23 (CPU 948R) is a high-performance central processing unit for the SIMATIC S5-155H PLC system. Equipped with 1600 KB of RAM, it supports complex automation programs, real-time control, and reliable execution of logic, I/O management, diagnostics, and communication tasks.

Although Siemens has discontinued the SIMATIC S5 line, the CPU 948R remains an essential spare part for legacy S5-155H installations. Its robust design ensures stable operation in demanding industrial, energy, and process control environments, making it critical for plants maintaining older automation systems.

Technical Specifications

Key Features

• Supports complex automation logic with 1600 KB RAM capacity.

• Handles I/O management, diagnostics, and communication for S5-155H PLC racks.

• High-speed CPU module optimized for legacy redundant or high-availability systems.

• Compact form factor ensures straightforward replacement in existing S5-155H installations.

• Available as new or refurbished spare part through specialized resellers.

Applications

• Industrial Automation: Large-scale production plants requiring complex program execution.

• Energy Systems: Power plant, turbine, and generator control in legacy S5-155H installations.

• Process Control: Chemical, refinery, and continuous production operations.

• Legacy System Maintenance: Ensures continued operation of S5-155H PLC networks.

FAQ

Q: Can the 6ES5948-3UR23 CPU be integrated into existing S5-155H PLC racks?
A: Yes, it is fully compatible with S5-155H PLC systems and directly replaces retired CPU modules.

Q: Is Siemens still manufacturing the CPU 948R?
A: No, this module is discontinued, but refurbished units are available through third-party resellers.

Q: How does CPU 948R compare to other S5-155H CPUs?
A: The CPU 948R provides 1600 KB RAM and high-speed logic execution, making it the most capable processor in the S5-155H family for complex programs and real-time control.