Siemens | Simatic S7 6ES7211-0AA21-0XB0

Product Details

• Part Number 1 6ES7211-0AA21-0XB0

Product Description

Siemens designates 6ES7211-0AA21-0XB0 as a CPU 221 associated with the Simatic S7 control platform.

In day-to-day system operation, this type of module provides control execution within the automation architecture. Its responsibilities can include logic processing, data handling, communications, and coordination of connected subsystem resources. Installation should follow the control node's approved hardware records.

SIMATIC S7 integrates programmable control, modular I/O, and industrial communication functions. This product belongs to the PLC modules layer of the installed S7 automation solution. Final selection should be based on the plant's controlled-equipment records.

For maintenance or replacement work, the exact module designation should be checked against the installed hardware, wiring records, and control-system documentation before the component is placed into service. The original equipment schedule should guide compatibility review.

Product Documentation

• Part Notes

  SIEMENS SIMATIC S7-200, CPU 221 (central processing unit) COMPACT UNIT, DC POWER SUPPLY, 6 DI DC/4 DO DC, 4 KB CODE/2 KB DATA

• Common Part Typos 6ES7211-0AA21-0XBO, 6ES7211-0AA21-OXB0, 6ES7211-0AA2I-0XB0, 6ES7211-0AA2l-0XB0, 6ES7211-OAA21-0XB0, 6ES72110AA210XB0, 6ES72110AA210XBO, 6ES72110AA21OXB0, 6ES72110AA2I0XB0, 6ES72110AA2l0XB0, 6ES7211OAA210XB0, 6ES721I-0AA21-0XB0, 6ES721I0AA210XB0, 6ES721l-0AA21-0XB0, 6ES721l0AA210XB0, 6ES72I1-0AA21-0XB0, 6ES72I10AA210XB0, 6ES72l1-0AA21-0XB0, 6ES72l10AA210XB0

Reviews

5.0 Rating

"Frank, we are very happy with your service. Our test mechanic has checked the controllers, they all are good!"

- Tony N., United States

"Hey Frank, thank you for your great service and competitive pricing. We will definitely be using you again in the future."

- Patrick O., United States

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

- Brent M., United States

"Frank, you're a Rock Star! Thank you for the quick response, and great customer service, very refreshing these days! Great pricing"

- Charles, Ontario, Canada

"Ahoy! We are extremely pleased with the cost effective and rapid repair services provided DCS Center. Even though the ship is only 12 years old, many of the..."

- Birdman Chief Engr., United States

"I would like to say thanks a lot for all. I’ve had good service with you and it’s a pleasure"

- Audrey, Québec, Canada