SIEMENS 6ES5095-8MC01 Central Unit

Product Overview

The SIEMENS 6ES5095-8MC01 is a compact, highly integrated central processing unit (CPU) from the renowned SIMATIC S5-95U series of programmable logic controllers. Engineered as an “all-in-one” solution, this module consolidates the CPU, power supply, and a comprehensive set of I/O points into a single, space-saving housing, making it an ideal choice for controlling smaller to medium-sized machinery and automation processes. As a member of the storied S5 family, the SIEMENS 6ES5095-8MC01 is specifically designed with two AS511 programming/communication interfaces, distinguishing it from other S5-95U variants that may feature PROFIBUS or other network connections.

The SIEMENS 6ES5095-8MC01 provides a robust foundation for automation tasks requiring dependable logic, timing, counting, and arithmetic operations. Its onboard I/O includes digital inputs and outputs, as well as analog channels, reducing the need for extensive external modules in many typical applications. The module is programmed using the established STEP 5 language, a powerful and flexible tool that allows engineers to implement complex control strategies. For industries with legacy Siemens systems, the SIEMENS 6ES5095-8MC01 remains a vital component, often serving as a direct replacement to maintain the operational integrity of long-established production lines. The S5-95U series, including this model, is designed for ease of use and expandability, supporting up to 32 S5-100U expansion modules for applications that require additional I/O beyond the onboard capabilities.

Technical Specifications

Parameter Name	Parameter Value
Product Model	6ES5095-8MC01
Manufacturer	Siemens
Product Type	SIMATIC S5-95U Compact Central Unit (CPU)
Supply Voltage	24 V DC
Onboard Digital Inputs	16 x 24 V DC
Onboard Digital Outputs	16 x 24 V DC, 0.5 A per channel
Onboard Analog Inputs	8 (0-10 V typical)
Onboard Analog Outputs	1 (0-10 V / 0-20 mA configurable)
Program/Data Memory	8 K Statements Internal RAM
Execution Speed	~2 µs per binary operation
Timers/Counters	128 / 128
Communication Interfaces	2 x AS511 (Programming/Operator Panel)
Protection Class	IP20
Physical Dimensions (H x W x D)	145 x 135 x 146 mm
Weight	Approx. 1.2 – 1.4 kg

Main Features and Advantages

All-in-One, Space-Saving Design

The SIEMENS 6ES5095-8MC01 stands out for its exceptional integration. By combining the CPU, power supply, 16 digital inputs, 16 digital outputs, 8 analog inputs, and 1 analog output in a single compact unit, it minimizes the need for additional rack or I/O modules in many applications. This significantly reduces the physical footprint of the control cabinet, simplifies system design, and lowers overall hardware costs. The module’s IP20 protection makes it suitable for installation within a protected control environment.

Flexible Communication and Programming

The SIEMENS 6ES5095-8MC01 is equipped with two AS511 interfaces, offering dual communication ports for programming and operator panel connectivity. This “8MC01” variant is specifically configured for a second programming interface, providing flexibility for system debugging and monitoring. Users can program the unit using the powerful STEP 5 language, a well-regarded and efficient programming environment for Siemens controllers. The module supports a robust set of built-in functions, including 128 timers and 128 counters, which are essential for a wide range of industrial control applications.