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6ES7221-1BF32-0XB0 - Siemens PLC SIMATIC S7 1200
The 6ES7221-1BF32-0XB0 is a compact Siemens PLC SIMATIC S7-1200 digital input module designed for precision control in industrial automation.
| Brand | Siemens |
| Product Type | PLC - Programmable logic Controller |
| Series | Simatic S7-1200 |
| SKU / MPN | 6ES7221-1BF32-0XB0 |
Siemens PLC SIMATIC S7 1200 6ES7221-1BF32-0XB0 Technical Specifications:
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-1200, Digital input SM 1221, 8 DI, 24 V DC, Sink/Source |
| Product Family | SM 1221 digital input modules |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,150 Kg |
| Packaging Dimension | 8,80 x 10,90 x 6,00 |
| Package Size Unit of Measure | CM |
| Country of Origin | Germany |
The 6ES7221-1BF32-0XB0 PLC is a digital input module under the SM 1221 product family, offering 8 digital inputs with 24V DC sink/source compatibility. This allows seamless integration of field devices like sensors, switches, and push buttons, regardless of their wiring configurations. Weighing just 0.150 kg, the module is compact and fits easily into control panels with tight space constraints, thanks to its dimensions of 8.80 x 10.90 x 6.00 cm.
Backed by PM300 Active Product Lifecycle status, this Siemens PLC SIMATIC S7 1200 model ensures long-term availability and service support. It is engineered to the highest German industrial standards, making it highly dependable even in harsh environments with electrical noise or temperature variation. Whether you’re scaling up a control system or upgrading existing logic, the 6ES7221-1BF32-0XB0 offers both backward compatibility and future readiness, especially within the S7-1200 architecture.
Engineers and integrators trust the 6ES7221-1BF32-0XB0 due to its robust build, simplified wiring, and plug-and-play deployment with Siemens TIA Portal. It reduces commissioning time, ensures reliable input signal recognition, and minimizes downtime. You can explore the full technical documentation and datasheet on the for the 6ES7221-1BF32-0XB0 PLC.
The Siemens 6ES7221-1BF32-0XB0 PLC is commonly used in applications where fast and accurate digital input processing is crucial. In factory automation, it serves as a reliable interface for reading input signals from limit switches, proximity sensors, safety interlocks, and emergency stop circuits. Whether in an automotive production line or a packaging plant, this module ensures responsive logic execution for control tasks.
For Indian junior engineers and maintenance professionals, this PLC offers simple DIN-rail mounting, easy terminal access, and fault diagnostics via LEDs—features that reduce errors and boost confidence during panel wiring and troubleshooting. It’s particularly helpful in training setups or internships where real-world PLC programming and hardware understanding are key learning outcomes.
Its ability to adapt to both sink and source wiring adds flexibility when reusing existing field wiring or upgrading old PLCs. With Siemens’ trusted support and strong product ecosystem, this PLC empowers users to build resilient, scalable automation systems that keep pace with industrial demands. The Siemens PLC SIMATIC S7 1200 6ES7221-1BF32-0XB0 is also ideal for system integrators designing distributed control systems in bottling units, conveyor belts, HVAC control panels, and OEM machines.
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