The Siemens SIMATIC S7-200 CN CPU 224 PLC (6ES7214-1BD23-0XB8) is a compact programmable logic controller designed for industrial automation, machine control, and maintenance of compatible Siemens S7-200 CN systems. It combines a central processing unit, an AC power supply, 14 digital inputs, and 10 relay outputs in a compact unit for controlling a variety of industrial processes.

The CPU 224 is suitable for applications that require dependable logic control, input signal monitoring, sequencing, timing, counting, and switching of compatible field devices. Its integrated I/O helps simplify control-panel design for small industrial machines and equipment. Expansion capability allows compatible S7-200 modules and supported communication accessories to be incorporated into an appropriate automation configuration.

Important: The part number 6ES7214-1BD23-0XB8 identifies the SIMATIC S7-200 CN version. It is not the same order number as the standard international version, 6ES7214-1BD23-0XB0. Confirm the complete part number, regional version, electrical requirements, and programming compatibility before ordering or replacing an existing CPU.

Key Features

• Siemens SIMATIC S7-200 CN CPU 224 compact programmable controller

• Integrated AC power supply

• 14 digital inputs for compatible DC field signals

• 10 relay-type digital outputs

• 8/12 KB program memory designation and 8 KB data memory designation in the product specification

• Expansion capability for compatible S7-200 modules and supported communication accessories

• Designed for industrial logic control and machine automation

• Compact form factor for control cabinets and machinery

• Suitable for maintenance and replacement projects involving compatible S7-200 CN systems

• Regional CN version with product approval limitations that should be checked before installation

Technical Specifications

Specifications are based on published product information for this exact order number. Confirm the applicable Siemens documentation and hardware revision before engineering or installation.

Applications

The Siemens S7-200 CN CPU 224 can be used in compatible automation systems for:

• Industrial machine and equipment control

• Conveyor and material-handling systems

• Packaging and production machinery

• Pumping and water-control systems

• Motor and actuator control circuits

• Manufacturing and assembly equipment

• Control-panel upgrades and maintenance

• Process sequencing and logic control

• Replacement or servicing of existing S7-200 CN installations

Compatibility and Installation Notes

Before purchasing, verify that the existing system requires the exact order number 6ES7214-1BD23-0XB8. The “XB8” version is a CN regional variant and may have different programming or regional compatibility considerations from the “XB0” version. Check the CPU label, supply requirements, I/O wiring, expansion modules, communication setup, and programming software before replacement.

Installation and wiring should be carried out by qualified personnel following the applicable Siemens documentation and electrical safety procedures. Relay outputs must be used within their specified electrical ratings and with suitable circuit protection.