Siemens | Simatic S7 6ES7221-1BH30-0XB0

Product Details

• Part Number 1 6ES7221-1BH30-0XB0
• HTS 85389091
• Country of Origin China

Product Description

For Simatic S7 system applications, Siemens 6ES7221-1BH30-0XB0 provides the function of a Digital Input Module.

For replacement planning, a digital input module receives discrete on/off states from field contacts and devices, then makes those states available to the controller for monitoring, sequencing, alarms, and interlocks. Its role should remain distinct from that of similarly named assemblies.

Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. The documented module assignment should remain the basis for selection.

Country of origin is listed as China.

In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. Ratings and capacity should be verified against the exact model documentation.

Product Documentation

• Part Notes

  SIEMENS SIMATIC S7-1200 digital input SM 1221, 16 DI, 24 VDC, Sink/Source

• Common Part Typos 6ES7221-1BH30-0XBO, 6ES7221-1BH30-OXB0, 6ES7221-1BH3O-0XB0, 6ES7221-IBH30-0XB0, 6ES7221-lBH30-0XB0, 6ES72211BH300XB0, 6ES72211BH300XBO, 6ES72211BH30OXB0, 6ES72211BH3O0XB0, 6ES7221IBH300XB0, 6ES7221lBH300XB0, 6ES722I-1BH30-0XB0, 6ES722I1BH300XB0, 6ES722l-1BH30-0XB0, 6ES722l1BH300XB0

Reviews

5.0 Rating

"Hi Frank and thank you for your quick response - good service. We look forward to doing more business with DCS"

- Serge, United States

"Frank your customer service has been excellent, you go out of your way to help and support. Your response and feedback is exceptional, its a pleaure to engage..."

- Selva Moodley, South Africa

"Thank you very much for your prompt and professional assistance!"

- Brent M., United States

"We received the cables Frank. They are in great shape, including the connectors. Thanks for the good service."

- Larry A., United States

"We received the 6ES7141-1BF12-0XB0 module yesterday - thank you very much! We will probably order another one next week. Thanks"

- George C., United States

"James is the BEST! He makes sure all your questions are answered and that you're happy with your order before it's shipped. My part arrived right on time...."

- Katie, United States