6ES7214-1AD23-0XB0 Siemens SIMATIC S7-200 Compact Programmable Controller 24VDC

6ES7214-1AD23-0XB0 Siemens SIMATIC S7-200 Compact Programmable Controller 24VDC

1.Overview of the 6ES7214-1AD23-0XB0 Siemens

The 6ES7214-1AD23-0XB0 is a compact CPU 224 DC/DC/DC controller from the Siemens SIMATIC S7-200 family, designed for small automation systems with 20 to 256 points. With its "golden ratio" of 24 V DC pure transistor outputs, 14 DI/10 DO, and 0.22 µs bit instruction processing speed, it has become one of the most widely installed classic PLCs in OEM equipment, machine tools, packaging machines, textile machinery, environmental protection equipment, and other applications.

Rich Integrated Functionality: The module integrates a variety of practical functions, including six high-speed counters (up to 30 kHz), two high-frequency pulse outputs (up to 20 kHz) for stepper or servo motor control, and two analog potentiometers for convenient parameter adjustment. Furthermore, the module features a built-in real-time clock, enabling event timestamping and time control.

Powerful Communication Capabilities: The integrated RS-485 interface supports PPI, MPI, and Freeport protocols and can be converted to RS232/RS485 via a PC/PPI cable, facilitating data exchange with Siemens HMI products (such as TP/OP), other PLCs (such as the S7-300/400), and third-party devices (such as printers and barcode readers).

Flexible Scalability: The CPU can connect up to seven S7-22x series expansion modules (including digital and analog modules) via the expansion bus, expanding the system to a maximum of 168 digital points or 35 analog points, flexibly adapting to control needs of varying scales.

Reliable Program and Data Protection: User programs are permanently stored in the integrated EEPROM. A supercapacitor maintains user data for approximately five days without a battery; with an optional battery module, data retention can be extended to approximately 200 days. Three-level password protection effectively prevents unauthorized access and protects user intellectual property.

2.Core Features:

Product Model: 6ES7214-1AD23-0XB0
Series: SIMATIC S7-200
Structure: Compact CPU with integrated I/O
Power Supply: 24 V DC (20.4…28.8 V DC)
Digital Inputs: 14 x 24 V DC, 6 channels can be used as 30 kHz high-speed counters
Digital Outputs: 10 x 24 V DC transistor, 4 channels can be used as 20 kHz pulse outputs (PTO/PWM)
Analog Inputs: 2 x 0…10 V (8-bit potentiometer, non-isolated)
Program Memory: 12 KB (8 KB online editing)
Data Memory: 8 KB (capacitor backup, typical 190 hours)
Operation Speed: Bit instruction: 0.22 µs; Word instruction: 1.2 µs
Timer/Counter: 256 points each, battery-backed, adjustable range
Communication Port: 1 x RS-485, PPI/MPI/Freeport, 9.6 kbit/s…187.5 kbit/s
Expansion capacity: 7 digital/analog/intelligent modules, maximum 256 DI/DO, 44 AI/AO
Dimensions: W 120.5 × H 80 × D 62 mm
Operating temperature: 0…+55°C (horizontally mounted)
Protection rating: IP20

Feature Highlights
High-speed computing: 0.22 µs bit processing speed, capable of 30 kHz counting and 20 kHz pulse output, easily implements stepper/servo positioning.
Transistor output: No contact life limit, suitable for high-frequency motion and PWM/PTO speed regulation.
Dual analog inputs: Directly connect to potentiometers or 0–10 V signals, saving analog module costs.
PPI/Freeport dual protocols: Simultaneously connect to an HMI (TD200, KTP) and a PC, supporting Modbus RTU master/slave.
Online editing: Programs can be downloaded and modified during operation, with zero downtime, ensuring maintenance without interrupting production.
Battery-free data retention: High-performance capacitors provide a typical 190 hours of data retention and are maintenance-free.
Wide-range power supply: 20.4–28.8 V DC, compatible with batteries, switching power supplies, or a 24 V field bus.
Seven expansion modules: Plug-and-play digital, analog, thermocouple, RTD, positioning, weighing, and PID temperature control.

Programming and Configuration: This CPU uses STEP 7-Micro/WIN programming software for program development, debugging, and maintenance.

Physical Characteristics: The module weighs approximately 360 grams to 0.379 kilograms and has a compact design, making it suitable for installation in tight spaces.

Origin: This product is manufactured in Germany.

3.Product details pictures

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