Many engineers reviewing Siemens 6ES7221-3BD30-0XB0 also explore Schneider PLC, Siemens HMI and Simatic S7 1200, ensuring they don’t miss strong alternatives before finalizing procurement decisions.
6ES7221-3BD30-0XB0 - Siemens PLC S7-1200 SB 1221
The 6ES7221-3BD30-0XB0 is a reliable digital input module from the Siemens PLC S7-1200 series, featuring 4 DI, 24 V DC inputs with 200 kHz high-speed sourcing capability.
| Brand | Siemens |
| Product Type | PLC - Programmable logic Controller |
| Series | Simatic S7-1200 |
| SKU / MPN | 6ES7221-3BD30-0XB0 |
Siemens PLC S7-1200 SB 1221 6ES7221-3BD30-0XB0 Technical Specifications:
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-1200, Digital input SB 1221, 4 DI, 24 V DC 200 kHz, Sourcing input |
| Product Family | SB 1221 digital input modules |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,030 Kg |
| Packaging Dimension | 5,00 x 8,00 x 2,90 |
| Package Size Unit of Measure | CM |
| Country of Origin | China |
The Siemens 6ES7221-3BD30-0XB0 is a robust and compact SIMATIC S7-1200 digital input module (SB 1221) designed to deliver reliable performance in a wide range of industrial automation applications. With 4 digital inputs (DI) operating at 24 V DC and a high-speed 200 kHz response rate, this module ensures precise and fast signal acquisition for your control systems. Its sourcing input configuration provides compatibility with a variety of industrial sensors and devices, making it an ideal choice for factory automation, process monitoring, and system integration.
Part of the SB 1221 digital input module family and classified under the PM300: Active Product Lifecycle (PLM), the 6ES7221-3BD30-0XB0 guarantees long-term availability and consistent performance. The module is lightweight at 0.030 kg and comes in a compact packaging of 5.00 × 8.00 × 2.90 cm, which allows for seamless installation even in space-constrained control panels. Manufactured in China under stringent quality standards, this Siemens product upholds global reliability and compliance requirements, providing engineers with confidence in every installation.
Designed to integrate effortlessly with other SIMATIC S7-1200 modules, the 6ES7221-3BD30-0XB0 enhances the automation of machines, conveyor systems, and industrial processes. Its high-speed digital input capabilities enable precise monitoring and control of sensors, actuators, and field devices, ensuring minimal downtime and improved operational efficiency. Additionally, the module’s sourcing input design simplifies wiring and reduces the risk of misconfigurations, allowing technicians to deploy and maintain automation systems with ease.
The Siemens 6ES7221-3BD30-0XB0 is also optimized for expandability, making it suitable for both small-scale automation projects and large industrial setups. Engineers can easily combine multiple SB 1221 modules with S7-1200 CPUs to achieve flexible and scalable control architectures. With its compact form factor, high-speed processing, and reliable signal handling, this module provides an excellent balance of performance, efficiency, and durability for long-term industrial use.
Leverage the technical advantages of this high-quality S7-1200 digital input module to enhance your automation projects. Our dedicated team ensures fast responses, expert guidance, and the most favorable pricing, making it easier than ever to integrate Siemens automation solutions into your industrial processes. Call us today for a competitive quote on the Siemens 6ES7221-3BD30-0XB0.



