Product Overview

The Siemens 6ES5095-8ME01 is a compact central processing unit from the SIMATIC S5 series, specifically belonging to the S5-95U programmable logic controller (PLC) family. As a complete compact unit, the 6ES5095-8ME01 integrates the CPU, power supply, and basic I/O into a single module, providing a space-efficient solution for small to medium-sized automation tasks. This Siemens 6ES5095-8ME01 central unit is designed for applications that require reliable control processing without the complexity of modular rack systems, making it ideal for standalone machinery control and distributed automation installations.

The Siemens 6ES5095-8ME01 operates on a 24V DC power supply with a current consumption of approximately 1 amp and a power dissipation of just 5 watts, reflecting its energy-efficient design for compact control cabinets. The unit features 10 digital inputs (24V DC) and 6 relay contact outputs, providing direct connectivity to sensors, switches, actuators, and small loads. The 6ES5095-8ME01 also includes a PROFIBUS DP interface, enabling seamless integration into larger S5 networks as a DP slave for distributed I/O configurations. With a program memory of 2K bytes and an integrated battery with approximately 10 years of service life under normal conditions, the Siemens 6ES5095-8ME01 offers dependable program retention and operational continuity for legacy S5 installations. As the SIMATIC S5 series has been discontinued by Siemens, this 6ES5095-8ME01 central unit is now a vital spare part for facilities maintaining S5-95U-based control systems, available through specialized suppliers of tested surplus and refurbished automation components.

 

Technical Specifications

Parameter Name	Parameter Value
Product Model	6ES5095-8ME01 (also referenced as 6ES5 095-8ME01)
Manufacturer	Siemens
Series	SIMATIC S5 — S5-95U Compact PLC
Product Type	Central Unit / CPU Compact Controller
Supply Voltage	24V DC
Current Consumption	Approx. 1A
Power Dissipation	Approx. 5W
Digital Inputs	10 x 24V DC
Digital Outputs	6 x Relay Contacts
Memory	2K Bytes (program and data)
Communication Interface	PROFIBUS DP Slave
Battery Life	Approx. 10 years (under normal conditions)
Operating Temperature	-25°C to +60°C
Storage Temperature	-40°C to +85°C
Net Weight	Approx. 1.3 kg
Dimensions (approx.)	150 x 100 x 50 mm
Protection Rating	IP20
Mounting	DIN Rail or panel mounting

 

 

Main Features and Advantages

Compact all-in-one control solution: The Siemens 6ES5095-8ME01 combines CPU, power supply, and I/O into a single compact housing, eliminating the need for a multi-module rack system. This integrated design of the 6ES5095-8ME01 significantly reduces cabinet space requirements and simplifies wiring compared to modular S5 systems such as the S5-115U or S5-135U. The built-in 10 digital inputs and 6 relay outputs provide sufficient connectivity for small machinery control, packaging equipment, and standalone automation stations, making the Siemens 6ES5095-8ME01 a cost-effective choice for applications where a full rack-based PLC would be over-specified.

Network integration and distributed control: Equipped with a PROFIBUS DP slave interface, the Siemens 6ES5095-8ME01 can serve as a distributed I/O station within larger S5 or even mixed automation networks. This capability allows the 6ES5095-8ME01 to function not only as a standalone controller but also as an intelligent remote I/O node, expanding the reach of the central control system. This flexibility is particularly valuable in applications with geographically distributed equipment that requires local control intelligence while remaining integrated with a central supervisory system.

Robust reliability and long battery life: The Siemens 6ES5095-8ME01 is engineered for reliable operation in industrial environments, with an operating temperature range of -25°C to +60°C and storage capability from -40°C to +85°C. The integrated battery, with an estimated 10-year service life under normal conditions, ensures that the user program and critical data are retained during power interruptions, providing continuity and reducing the need for frequent program reloads. This reliability makes the 6ES5095-8ME01 a trusted component for facilities that cannot afford unexpected downtime.

Legacy system support: As the SIMATIC S5 series approaches its end-of-life status, the Siemens 6ES5095-8ME01 remains an essential spare part for plants continuing to operate S5-95U-based control systems. Sourcing tested and functional 6ES5095-8ME01 units from specialized suppliers provides a practical path to extend the service life of legacy equipment, deferring the capital investment and system re-engineering required for a full migration to newer platforms such as S7-1200 or S7-1500.