The Siemens SIMATIC S7-200 CPU 224 PLC (6ES7214-1AD22-0XB0) is a compact programmable logic controller designed for industrial machine control, automation, and process sequencing. This CPU 224 model features a 24 V DC power supply, 14 digital DC inputs, and 10 digital DC outputs, making it suitable for a range of control applications requiring integrated input and output functionality.

The CPU 224 processes input signals from sensors, switches, and other compatible field devices according to the programmed control logic. Its digital outputs can control compatible loads or interface with suitable switching devices, subject to the output ratings and wiring requirements specified in the manufacturer's documentation.

With 8 KB of program memory and 5 KB of data memory, the controller is intended for compact automation systems and existing Siemens S7-200 installations. It supports compatible expansion options, including PROFIBUS DP expansion capability, allowing suitable system configurations to incorporate additional automation and communication functions.

This model is particularly relevant for maintenance and replacement projects involving legacy machinery. Since the product has been discontinued, buyers should verify stock condition, authenticity, hardware compatibility, and the availability of programming and communication accessories before purchase.

Key Features

• Siemens SIMATIC S7-200 CPU 224 compact PLC

• Exact Siemens order number: 6ES7214-1AD22-0XB0

• 24 V DC power supply

• 14 integrated digital DC inputs

• 10 integrated digital DC outputs

• 8 KB integrated program memory

• 5 KB integrated data memory

• Supports compatible S7-200 expansion options

• PROFIBUS DP expandable configuration

• Designed for industrial logic control and sequencing

• Suitable for existing S7-200 machine-control systems

• Compact format for industrial control cabinets

• Intended for maintenance, repair, and legacy automation projects

Technical Specifications

Specifications are based on published documentation for the specified order number. Confirm detailed output characteristics, current limits, wiring, and compatibility against the official Siemens datasheet before installation.

Applications

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

• Industrial machine and equipment control

• Conveyor and material-handling systems

• Packaging and production machinery

• Pump and water-control systems

• Sensor monitoring and digital signal processing

• Assembly and manufacturing equipment

• Control-panel maintenance and repair

• Industrial process sequencing

• PLC replacement and refurbishment projects

• Compatible systems requiring PROFIBUS DP expansion

Compatibility and Installation

Before ordering, confirm that the existing installation uses the exact part number 6ES7214-1AD22-0XB0. This model uses a 24 V DC supply and has DC digital outputs; it should not be treated as interchangeable with CPU 224 models that use AC power supplies or relay outputs.

Verify the CPU hardware revision, I/O wiring, output type and ratings, expansion modules, communication interfaces, and programming software. Siemens identifies 6ES7214-1AD23-0XB0 as the successor model, but replacement suitability should be checked against the original application's requirements.

Installation, wiring, and commissioning should be performed by qualified personnel in accordance with Siemens documentation and applicable electrical safety practices.

Product Availability Note

The 6ES7214-1AD22-0XB0 is a discontinued Siemens product. Availability may depend on remaining stock, refurbished units, or industrial spare-parts suppliers. Confirm the unit's condition and warranty terms with the seller before purchasing.