Siemens 6ES5946-3UA23 SIMATIC S5 CPU 946 Module

Siemens 6ES5946-3UA23 SIMATIC S5 CPU 946 Processor Module

Availability: 2 left in stock

DescriptionThe Siemens 6ES5946-3UA23 is a high-performance central processing unit (CPU) module designed for the SIMATIC S5 automation system. As a...

SKU: 6ES5946-3UA23

Manufacturer: Siemens
Product No.: 6ES5946-3UA23
Product Type: PLC CPU Module
Product Origin: Germany
Payment:T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Siemens 6ES5946-3UA23 is a high-performance central processing unit (CPU) module designed for the SIMATIC S5 automation system. As a core component of the S5 series, the CPU 946 provides the computational power and logic execution required for complex industrial control tasks. This module is engineered to handle demanding automation environments, ensuring reliable cycle times and robust performance for legacy Siemens PLC architectures.

Features

Central processor unit for SIMATIC S5 control systems.
Designed for high-speed logic processing and task management.
Integrated diagnostic capabilities for system monitoring.
Robust modular design suitable for standard S5 rack mounting.
Reliable operation in established industrial automation infrastructures.

Technical Specifications

Manufacturer	Siemens
Model / Order Code	6ES5946-3UA23
Product Type	CPU Module (CPU 946)
Series	SIMATIC S5
Tariff Code	8537109060

Installation Guidelines

Ensure power is disconnected from the S5 rack before attempting to install or remove the CPU module to prevent electrical damage or system faults.
Verify that the module is correctly seated in the designated CPU slot of the SIMATIC S5 rack.
Ensure the module is handled with standard ESD (electrostatic discharge) precautions to protect internal circuitry.
Confirm proper ventilation in the control cabinet to maintain optimal operating temperatures.
Check all backplane connections for secure seating after installation to ensure reliable communication with I/O modules.

FAQ

Is the 6ES5946-3UA23 still in production?
No, this module has been discontinued by the manufacturer. We provide high-quality surplus units to support the maintenance and longevity of existing S5 installations.

What is the primary function of this module?
The 6ES5946-3UA23 acts as the central processor for the SIMATIC S5 PLC, managing the execution of user programs, communication with I/O modules, and overall system logic control.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.