The Siemens SIMATIC S7-200 CN CPU 224 PLC (6ES7214-1AD23-0XB8) is a compact programmable logic controller designed for industrial automation, machine control, and process sequencing. This CPU 224 CN model features a DC power supply, 14 integrated digital DC inputs, and 10 transistor-type digital DC outputs. Its integrated I/O and compact design make it suitable for a range of compatible industrial control applications.

The CPU processes signals from sensors, switches, and other field devices according to the user program. Its transistor outputs are designed for compatible DC loads and can support high-speed pulse applications within the specified electrical limits. The controller supports established S7-200 programming and communication methods and can be expanded with compatible modules for additional functionality.

The CPU 224 CN provides 8/12 KB program memory and 8 KB data memory, according to the manufacturer's product designation. It supports high-speed counting and pulse-generation functions, making it useful for suitable counting, positioning, and sequencing tasks. PROFIBUS DP expansion is possible with compatible hardware.

This order number belongs to the SIMATIC S7-200 CN regional product version. The product documentation states that this CN version has CE approval only. Buyers should verify regional requirements, hardware compatibility, and the exact model before ordering or installing the unit.

Key Features

• Siemens SIMATIC S7-200 CN CPU 224 compact PLC

• Exact Siemens order number: 6ES7214-1AD23-0XB8

• DC power supply

• 14 integrated digital DC inputs

• 10 transistor-type digital DC outputs

• 8/12 KB program memory designation

• 8 KB data memory

• Integrated serial communication capability

• Supports compatible PPI and freeport communication configurations

• High-speed counter functionality

• High-speed pulse output functionality on compatible DC-output configurations

• Expansion support for compatible S7-200 modules

• PROFIBUS DP expandable with suitable hardware

• Compact design for industrial control panels

• Suitable for maintenance and replacement of compatible legacy S7-200 CN systems

Technical Specifications

Specifications are based on published product information for the exact order number. Consult the applicable Siemens datasheet for supply limits, output current, wiring, operating conditions, and detailed communication specifications.

Applications

The Siemens S7-200 CN CPU 224 PLC can be used in compatible industrial 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

• Counting and pulse-based control

• Manufacturing and assembly equipment

• Small-scale process automation

• Control-panel maintenance and repair

• Legacy PLC replacement projects

• Compatible PROFIBUS DP automation configurations

Compatibility and Installation

Before purchasing, confirm that the existing system requires the exact part number 6ES7214-1AD23-0XB8. This model uses a DC power supply and transistor-type DC outputs. It is not interchangeable without verification with CPU 224 variants that use AC power supplies or relay outputs.

Check the supply voltage, output polarity and current limits, connected loads, expansion modules, communication interfaces, and programming software. Use suitable interface devices and circuit protection when required by the connected equipment.

Because this is the CN regional version, verify regional approval requirements and compatibility with the existing installation. Installation, wiring, and commissioning should be carried out by qualified personnel according to Siemens documentation and applicable electrical safety standards.

Product Availability Note

This model is a legacy S7-200 CN product and may be offered as new old stock, used equipment, or refurbished stock depending on the supplier. Confirm the unit's condition, warranty, return policy, and exact label information before purchasing.