The 6ES7221-1BF10-0XA0: It is designed exclusively for S7-21X CPUs, so verify your CPU model before specifying. Because production has stopped, sourcing this module goes through surplus or broker channels. We can quote it to order against an RFQ for legacy system support.
Siemens 6ES7221-1BF10-0XA0 EM 221 DI, Discontinued
MPN6ES7221-1BF10-0XA0
Siemens SIMATIC S7-200 EM 221 digital input module, 8 DI 24V DC optically isolated, order code 6ES7221-1BF10-0XA0, discontinued product.
$89.15Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.07 kgs |
Product details
Frequently asked questions
What are the key specifications of this module?
It provides 8 digital inputs, 24V DC, optically isolated, for the S7-200 series (S7-21X CPUs only).
Can this module be used with the S7-200 CPU 6ES7212-1FA01-0XB0?
Yes, it is compatible with S7-21X CPUs such as the 6ES7212-1FA01-0XB0. It expands the input count by 8 optically isolated channels.
MPN
6ES7221-1BF10-0XA0