Siemens 6ES5095-8MA03 | S5-95U Programmable Controller

Compact CPU for SIMATIC S5-95U Systems

The 6ES5095-8MA03 programmable controller module serves as the core CPU for the SIMATIC S5-95U compact controller. This module integrates the central processing unit and onboard I/O within a single compact housing. It delivers fast processing and comprehensive control capabilities for space-constrained automation tasks. Consequently, this controller suits demanding applications where response times and supplementary functions are critical.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Product Series	SIMATIC S5-95U
Model	6ES5095-8MA03
Product Type	Programmable Controller CPU Module
Memory Capacity	16 KB (8 KB for instructions)
Processor	Siemens proprietary 8-bit
Digital Inputs	16 (24 V DC)
Interrupt Inputs	4
Analog Inputs	8 (current/voltage, configurable as digital)
Digital Outputs	16 (24 V DC, 0.5 A)
Counters	2 (16-bit)
Analog Output	1 (0-10 V)
Communication Interfaces	SINEC L2, PROFIBUS
Rated Voltage	24 V DC
Current Rating	1.5 A
Protection Class	IP20
Weight	1.2 – 1.3 kg
Dimensions	Approx. 160 x 140 x 150 mm
Operating Temperature	0°C to +60°C
Country of Origin	Germany
Certifications	CE, UL, CSA

Onboard I/O Integration and Functionality

The 6ES5095-8MA03 features a comprehensive set of onboard I/O points, eliminating the need for additional modules in many small-scale applications. It includes 16 digital inputs, 16 digital outputs, and 8 analog inputs that can double as digital inputs when needed . The module also incorporates two 16-bit counters for high-speed counting tasks. Furthermore, a 0-10 V analog output provides precise voltage control for actuators and indicators .

Memory and Processing Capabilities

This CPU module provides 16 KB of memory, with 8 KB dedicated to program instruction storage . This capacity accommodates complex control logic for small to medium-scale automation tasks. The integrated 8-bit processor delivers reliable performance for real-time control applications . The module also supports networking as an active or passive station in SINEC L2 LAN networks .

Expansion and Communication Features

The 6ES5095-8MA03 supports expansion with up to 32 I/O modules from the S5-100U range . It includes SINEC L2 and PROFIBUS interfaces for seamless network communication . Users can also connect programming devices and operator panels via the integrated PG port . The module’s modular expandability allows users to scale their system as operational requirements evolve.

Physical Characteristics and Installation

Weighing approximately 1.2 kg, this compact controller fits into confined cabinet spaces . Its IP20 rating provides basic protection against solid objects . The module mounts on standard DIN rails for straightforward installation. Multiple LED status indicators display power, run, and error conditions .