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Siemens SIMATIC S5 CPU 101U

Name: Siemens 6ES5101-8UA31
Brand: Siemens
SKU: 6ES5101-8UA31
Availability: InStock

Siemens SIMATIC S5 CPU 101U compact PLC with integrated I/O.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6ES5101-8UA31

Manufacturer Siemens

Part Number 6ES5101-8UA31

Series SIMATIC S5

Type CPU 101U

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Compact PLC CPU SIMATIC S5 Series 4 KB Memory Integrated Digital I/O STEP 5 Programmable Suitable for small automation tasks

Product description

The Siemens SIMATIC S5 CPU 101U, identified by part number 6ES5101-8UA31, is a compact programmable logic controller (PLC) CPU from the SIMATIC S5 series. This unit is designed for smaller automation tasks and features integrated digital I/O. It offers 4 KB of memory for program and data storage, making it suitable for straightforward control applications.

This CPU is commonly used in standalone machines or smaller control systems where a full-featured PLC is not required. Its integrated I/O simplifies wiring and installation for basic automation tasks in industries such as packaging, material handling, and small-scale manufacturing.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens SIMATIC S5 CPU 101U (6ES5101-8UA31). Secure reliable and cost-effective automation components to keep your legacy systems operational or for new, smaller-scale projects.

Technical specifications

Manufacturer	Siemens
Part Number	6ES5101-8UA31
Series	SIMATIC S5
Type	CPU 101U
Memory	4 KB
Integrated I/O	Yes (Digital)
Power Supply	Integrated within S5 system
Programming Language	STEP 5

Common applications

Standalone Machine Control

Small Automation Systems

Packaging Machinery

Material Handling

Process Control (Simple)

OEM Applications

Compatible systems

Siemens SIMATIC S5 I/O modules Siemens programming devices with STEP 5 support

Also known as

Siemens SIMATIC S5 101U S5 CPU 6ES5101 Compact S5 PLC

Replaces / compatible with

This CPU is a component of the Siemens SIMATIC S5 range and can replace a faulty CPU 101U in existing systems or be used in upgrades.

Technical note

Expert tip

Programming for the 6ES5101-8UA31 requires Siemens STEP 5 software and is suitable for ladder logic, statement list, or function block diagram programming.

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Frequently asked questions

What is the memory capacity of the Siemens SIMATIC S5 CPU 101U (6ES5101-8UA31)?

The Siemens SIMATIC S5 CPU 101U (6ES5101-8UA31) is equipped with 4 KB of memory. This capacity is suitable for programming smaller automation tasks and logic sequences.