Siemens | Simatic S7 6ES7221-1EF00-0XA0

Product Details

• Part Number 1 6ES7221-1EF00-0XA0

Product Description

The Siemens 6ES7221-1EF00-0XA0 is a Digital Input Module used with the Simatic S7 automation platform.

In day-to-day system operation, this class of module brings discrete field status into the control system. Typical signal sources include switches, relay contacts, permissives, and equipment-status circuits when they match the module's electrical requirements. This helps preserve the function assigned to the installed control node.

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. The system's documented hardware assignment should guide placement.

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 assigned system function should be preserved through installation and service.

Product Documentation

• Part Notes

  SIEMENS SIMATIC S7-200 EM 221 DIGITAL INPUT MODULE, OPTICALLY ISOLATED 8DI, 120 VAC FOR S7-21XX CPU ONLY

  Product cancelled by Siemens 10.01.2013 without replacement

• Cancellation Notice

  Product cancelled by Siemens 10.01.2013 without replacement

• Common Part Typos 6ES7221-1EF00-0XAO, 6ES7221-1EF00-OXA0, 6ES7221-1EF0O-0XA0, 6ES7221-1EFO0-0XA0, 6ES7221-IEF00-0XA0, 6ES7221-lEF00-0XA0, 6ES72211EF000XA0, 6ES72211EF000XAO, 6ES72211EF00OXA0, 6ES72211EF0O0XA0, 6ES72211EFO00XA0, 6ES7221IEF000XA0, 6ES7221lEF000XA0, 6ES722I-1EF00-0XA0, 6ES722I1EF000XA0, 6ES722l-1EF00-0XA0, 6ES722l1EF000XA0

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