Limited Stock
Siemens
SIMATIC S7-200 CPU 221
6ES7 211-0AA23-0XB0
Get a Free Quote
Contact us for best pricing, quantity discounts, and availability
Category
PLC CPU
Availability
Limited Stock
Status
Active
Recommended Replacement
Contact us for information
Why Choose ZZSL?
Global Stock
Warehouses in China, Germany & USA for fast delivery worldwide
100% Quality
Every part verified for authenticity with our quality guarantee
48hr Shipping
Express options available for urgent requirements
Expert Support
Technical team available for product selection & troubleshooting
Product Description
SIMATIC S7-200 CPU 221 is a compact, micro PLC designed for small automation applications. This DC/DC/DC version features 6 digital inputs and 4 digital outputs. The CPU 221 was discontinued in October 2017 but remains highly sought after for legacy system maintenance. It supports up to 2 expansion modules and has built-in RS-485 communication. Ideal for simple OEM machines, pump control, and conveyor systems where replacement parts are critical.
Technical Specifications
Digital Inputs
6
Digital Outputs
4 (Transistor)
Power Supply
24V DC
Program Memory
4 KB
Data Memory
2 KB
Execution Time
0.37 μs/instruction
Expansion Modules
2 max
Communication
1x RS-485
Dimensions
90 x 80 x 62 mm
Related Products
