Siemens 6ES5101-8UU13 Central Controller

Technical Overview

The Siemens 6ES5101-8UU13 is a central controller module for the SIMATIC S5 programmable controller series. This unit serves as the core processing unit for the S5-100U and S5-101U systems, executing user programs and managing I/O operations. It provides 8 KB of RAM memory with battery backup for reliable program storage. The module includes a built-in power supply, simplifying system integration. A programmer port allows straightforward connection to programming devices.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Model Number	6ES5101-8UU13
Product Type	Central Controller / CPU
System Compatibility	SIMATIC S5-100U, S5-101U
Memory Type	RAM with battery backup
Memory Capacity	8 KB
Programming Language	STEP 5
Power Supply	Integrated (built-in)
Programmer Interface	Yes (front port)
I/O Points Supported	Up to 128
Battery Type	3.6V lithium
Battery Life	Approx. 5 years
Power Consumption	10 W (typical)
Dimensions	233 x 37 x 268 mm
Weight	0.5 kg
Operating Temperature	0°C to +60°C
Storage Temperature	-40°C to +85°C
Humidity	5% to 95% RH (non-condensing)
Certifications	CE, UL, CSA
Country of Origin	Germany

Key Features

Integrated Processing and Power – The built-in power supply simplifies installation and reduces panel space requirements.

Battery-Backed Memory – The lithium battery preserves user programs and data during power interruptions.

Compact All-in-One Design – The module combines CPU and power supply in a single unit.

STEP 5 Programming – Users can program the controller using the standard Siemens STEP 5 language.

Programmer Connectivity – The front port enables quick connection to programming devices.

Applications

The Siemens 6ES5101-8UU13 excels in small to medium-scale automation systems, machine control, and manufacturing applications. It is ideal for conveyor systems, packaging lines, and simple process control tasks.