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| Place of Origin: | China |
| Brand Name: | Siemens |
| Certification: | COO & COC |
| Model Number: | 6ES7221-1BH30-0XB0 |
Siemens 6ES7221-1BH30-0XB0 SIMATIC S7-1200 Digital Input Module 16DI 24VDC
The Siemens 6ES7221-1BH30-0XB0 is a high-density digital input module from the SIMATIC S7-1200 PLC system, designed to reliably capture binary signals from field devices such as pushbuttons, limit switches, proximity sensors, and solenoid feedback circuits. With 16 isolated digital inputs operating at 24 V DC, this compact module supports both sinking (NPN) and sourcing (PNP) sensor wiring—offering maximum flexibility for global machine builders and system integrators across industries like packaging, automotive, food & beverage, and material handling.
Engineered for seamless integration into the S7-1200 automation platform, the 6ES7221-1BH30-0XB0 features built-in diagnostics, LED status indicators per channel, and easy configuration in TIA Portal (Totally Integrated Automation Portal). Its robust design meets industrial EMC and safety standards, ensuring stable operation even in electrically noisy environments.
Product Overview: Siemens 6ES7221-1BH30-0XB0
| Manufacturer | Siemens |
| Product Family | SIMATIC S7-1200 Programmable Logic Controller (PLC) System |
| Module Type | SM 1221 Digital Input Module |
| Model Number | 6ES7221-1BH30-0XB0 |
| Number of Inputs | 16 digital inputs |
| Input Voltage | 24 V DC (nominal) |
Product details pictures
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