6ES7221-1BH32-0XB0 New Original Siemens S7-1200 Plc Programming Controller module

2. Key Selling Points

1. Compact Digital Input Module: Designed specifically for Siemens S7-1200 PLCs, with a compact design that mounts directly to the right of the CPU or signal board, saving valuable panel space—ideal for space-limited automation systems.
2. 16-Channel 24V DC Digital Inputs: Provides 16 high-density digital input channels with switchable sink (NPN) and source (PNP) inputs, compatible with various field devices such as pushbuttons, sensors, and relay contacts, offering flexible wiring options.
3. Electrical Isolation for Protection: Features galvanic isolation between input circuits and the internal PLC logic, effectively preventing external noise and voltage surges, enhancing system immunity and operational reliability.
4. Plug-and-Play, Auto-Recognition: As a native S7-1200 expansion module, it requires no additional power or complex setup—automatically detected and addressed by the CPU upon power-up, enabling fast installation and commissioning.
5. Industrial-Grade Durability: Offers strong electromagnetic compatibility (EMC) and wide operating temperature range, suitable for harsh industrial environments and ensuring long-term dependable performance.