Product Overview

The Siemens 6ES7214-2AD23-0XB0 is a SIMATIC S7-200 CPU 224XP compact unit. This PLC has a DC power supply built in. It offers 14 digital inputs and 10 digital outputs. The unit also includes 2 analog inputs and 1 analog output. Program memory is 16 KB and data memory is 10 KB. Two PPI or Freeport ports are available for communication.

For inquiries, contact us at +86 158 8020 0923 (WhatsApp).

Part Number Breakdown (Tree Structure)

• 6ES7 → SIMATIC S7 product family
  • Siemens PLC system
• 214 → CPU model
  • CPU 224XP type
• 2AD23 → Hardware version
  • DC power supply
  • 14 DI DC / 10 DO DC
  • 2 AI, 1 AO built in
• 0XB0 → Firmware version
  • Standard release

Power Supply Specifications

• Supply Voltage: 24 V DC
• Lower Limit: 20.4 V DC
• Upper Limit: 28.8 V DC
• Inrush Current: 12 A maximum
• Current Draw (L+): 900 mA maximum
• Encoder Supply (24V): Yes, with short circuit protection
• Encoder Output Current: 280 mA maximum

Memory Specifications

• Program Memory: 16 KB maximum
• Data Memory: 10 KB maximum
• Memory Modules: 1 optional
• Battery Backup: Yes
• Backup Time: 100 hours maximum
• Bit Operation Speed: 0.22 µs maximum

Counters and Timers

• S7 Counters: 256 total
• Retentive Counters: Adjustable (1 to 256)
• Counting Range: 0 to 32767
• S7 Timers: 256 total
• Retentive Timers: Adjustable up to 64
• Timer Range: 1 ms to 54 minutes

Digital Inputs

• Number of Inputs: 14 digital inputs
• Input Type: m/p reading (sink/source)
• Rated Input Voltage: 24 V DC
• Input Current (Signal 1): 2.5 mA typical
• Input Delay: Adjustable 0.2 ms to 12.8 ms
• Interrupt Inputs: Parameterizable
• Counter/Technology Inputs: Parameterizable
• Shielded Cable Length: 500 m maximum
• Unshielded Cable Length: 300 m maximum

Digital Outputs

• Number of Outputs: 10 digital outputs
• Short Circuit Protection: No
• Resistive Load Current: 0.75 A maximum
• Lamp Load Power: 5 W maximum
• Signal 1 Voltage Drop: Not specified (transistor output)
• Signal 0 Leakage Current: 10 µA maximum
• Output Delay (0 to 1): 15 µs maximum
• Output Delay (1 to 0): 130 µs maximum
• Parallel Switching: Allowed for uprating
• Pulse Output Frequency: 20 kHz (integrated functions)
• Pulse Output Max Frequency: 100 kHz with resistive load
• Total Current per Group (40°C): 3.75 A maximum
• Total Current per Group (55°C): 3.75 A maximum (horizontal)
• Shielded Cable Length: 500 m maximum
• Unshielded Cable Length: 150 m maximum

Analog I/O

• Analog Inputs: 2 (built in)
• Analog Output: 1 (built in)
• Analog Potentiometers: 2 (built in)

Communication Ports

• Interface 1: MPI, PPI, serial data exchange
• Transmission Rate (Interface 1): 19.2 kbit/s to 187.5 kbit/s
• Interface 2: MPI, PPI, serial data exchange
• Transmission Rate (Interface 2): 19.2 kbit/s to 187.5 kbit/s

Integrated Functions

• Counters: 6 total
• Maximum Counting Frequency: 200 kHz
• Alarm Inputs: 4
• Pulse Outputs: 2
• Pulse Output Limit Frequency: 20 kHz

Expansion Capabilities

• Expansion Devices: 7 maximum
• Digital I/O via Expansion: 168 maximum
• Analog I/O via Expansion: 38 maximum
• AS-Interface I/O: 62 maximum

Galvanic Isolation

• Digital Inputs: Isolated between channels
• Digital Outputs: Isolated between channels in groups of 5

Environmental and Physical Data

• Protection Class: IP20
• Operating Temperature (Horizontal): 0°C to 55°C
• Operating Temperature (Vertical): 0°C to 45°C
• Air Pressure: 860 hPa to 1080 hPa
• Relative Humidity: 5% to 95%
• Width: 140 mm
• Height: 80 mm
• Depth: 62 mm
• Weight: 390 g (approx. 0.86 lbs)

Programming Features

• Programming Languages: LAD, FBD, STL
• Subroutines: 64 maximum
• Know-how Protection: Password protected
• Connection Technology: Plug-in I/O terminals

Sensor Compatibility

• 2-Wire Sensors: Supported
• Max Quiescent Current (2-wire sensor): 1 mA

Installation Guide

• Turn off all power before installation.
• Mount the CPU on standard DIN rail or using screws.
• Allow 25 mm clearance above and below for cooling.
• Connect 24 V DC power to L+ and M terminals.
• Use 20.4 V to 28.8 V DC supply only.
• Wire inputs to the 14 digital input terminals.
• Wire outputs to the 10 digital output terminals.
• Connect analog signals to the 2 AI and 1 AO terminals.
• Use shielded cable for analog signals and long digital runs.
• Ground the CPU properly for noise immunity.
• Do not exceed 3.75 A per output group.
• Add output fuses since outputs have no short protection.

Maintenance Tips

• Keep the unit clean and free from dust.
• Check input and output LED indicators regularly.
• Test the battery backup every 6 months.
• Replace battery when backup time drops below 100 hours.
• Monitor CPU temperature in hot enclosures.
• Add cooling fans for vertical mounting above 45°C.
• Backup your program before making major changes.

Package Contents

• One Siemens 6ES7214-2AD23-0XB0 CPU 224XP unit
• One set of removable I/O terminal blocks
• One bus connector cover
• One quick reference card

Warranty and Shipping

• 12 months factory warranty from shipment date.
• Warranty covers manufacturing defects only.
• Overvoltage or wrong wiring voids the warranty.
• Shipping options: FedEx, UPS, DHL.
• Tracking number provided after shipment.

Typical Applications

• Small machine control with analog I/O needs
• Conveyor systems with speed control (200 kHz counters)
• Packaging machines with high speed counting
• HVAC control with temperature sensors
• Pump stations with pressure monitoring
• Retrofit projects needing 14 inputs and 10 outputs

Frequently Asked Questions (FAQ)

Q1: What is the program memory size of the 6ES7214-2AD23-0XB0?

The Siemens 6ES7214-2AD23-0XB0 has 16 KB of program memory. Data memory is 10 KB. This is enough for most small to medium machine control programs.

Q2: How many analog I/O points are built into this CPU?

This CPU has 2 analog inputs and 1 analog output built in. It also has 2 analog potentiometers for manual adjustments. You can add more analog modules up to 38 total.

Q3: What is the maximum counting frequency on the 6ES7214-2AD23-0XB0?

The maximum counting frequency is 200 kHz. This works for high speed encoder signals. You get 6 counters and 4 alarm inputs in total.

Q4: Does this CPU have short circuit protection on outputs?

No, the digital outputs have no short circuit protection. Always use external fuses on each output group. Maximum output current is 0.75 A per point with 3.75 A per group.

Q5: What communication ports does the CPU 224XP have?

The CPU has two PPI or Freeport ports. Both ports support MPI, PPI, and serial data exchange. Transmission rates range from 19.2 kbit/s to 187.5 kbit/s.

Buying Guide

When you buy a Siemens 6ES7214-2AD23-0XB0 CPU, follow these tips. First, check your input voltage type. This model uses 24 V DC only. Second, count your digital I/O needs. You get 14 inputs and 10 outputs built in. Third, check if you need analog signals. This CPU has 2 AI and 1 AO built in. Fourth, consider high speed counting needs. The CPU handles 200 kHz maximum. Fifth, plan your expansion needs. You can add up to 7 modules. Sixth, verify your enclosure temperature. Horizontal mounting works up to 55°C. Vertical mounting only up to 45°C. Seventh, add external fuses for outputs. The outputs have no short protection. Eighth, review warranty terms. We offer 12 months coverage. Ninth, choose your shipping method. We use FedEx, UPS, and DHL. Finally, back up your program before any major changes.

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