The Siemens 6ES7221-3AD30-0XB0 is a factory-grade signal board designed for the SIMATIC S7-1200 automation system. This digital input module, known as the SB 1221, features 4 digital inputs operating at 5 V DC with a high switching frequency of 200 kHz. It efficiently converts external digital signals into internal signals for S7-1200 CPUs, providing precise and reliable operation in diverse industrial environments. Compact and robust, the module maintains installation dimensions unchanged when added to the CPU, ensuring easy integration into existing setups. Perfect for enhancing automation workflows, this Siemens module is tested for quality and built to meet demanding industrial standards.
Key Features of Siemens 6ES7221-3AD30-0XB0
4 digital inputs with 5 V DC operating voltage
High switching frequency of up to 200 kHz for fast signal processing
Current sourcing input type compliant with IEC 61131 standards
Compact dimensions: 38 mm wide, 62 mm high, 21 mm deep
Power consumption approximately 1 W for efficient operation
Easy integration with SIMATIC S7-1200 CPUs via direct plug-in
Input delay adjustable and parameterizable for flexible control
Robust plastic housing suitable for industrial environments
Lightweight design at about 35-40 grams for simple handling
Review the Siemens 6ES7221-3AD30-0XB0 specifications for detailed parameters to ensure system compatibility and optimal configuration.
Parameter
Details
Number of Inputs
4 Digital Inputs
Input Voltage
5 V DC
Switching Frequency
200 kHz
Input Type
Current Sourcing
Power Consumption
Approx. 1 W
Dimensions (W x H x D)
38 x 62 x 21 mm
Weight
35-40 grams
Applications / Use Case
This Siemens 6ES7221-3AD30-0XB0 is commonly used in industrial automation environments worldwide. It is ideally suited for machinery control, process automation, and production line systems that require precise digital input detection. Its fast switching capability and compact footprint make it perfect for factory control panels and motion control setups where reliable and rapid response to digital signals is critical. The module’s compatibility with SIMATIC S7-1200 CPUs allows seamless integration in modern automated manufacturing facilities.
Price & Availability
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6ES7221-3AD30-0XB0
$71.83
ACHIEVING
4.0
average rating
With
95%
positive reviews
LESS THAN
1%
return rate
Any questions?
Does it come with a warranty?
Yes, All products are offered wth 1-Year warranty.
What is the condition of the product?
All products sold are New & Unused.
How fast is shipping?
All products are delivered within 2-8 business days depending on our stock location.
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