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Siemens 6ES7221-1BF22-0XA0
SIMATIC S7-200 Digital Input Module EM 221
Product Description
The SIMATIC S7-200 Digital Input Module EM 221 is a specialized spare part designed for the SIMATIC S7-200 series. This module provides 8 digital inputs, operating at a voltage of 24 V DC, which can be configured to either sink or source current.
This module is exclusively compatible with S7-22X CPUs and is not intended for use with other models. It's designed to facilitate the expansion of your system's input capabilities while maintaining a compact form factor.
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Offer details
- Offer from:
- Trusted supplier — Poland, member since 2021, 5–9 employees
- Availability:
- 1 pc.Updated at: 13-10-2026In-Stock
- Warranty:
- 12 months
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- Input current / from backplane bus 5 V DC, max.
- 30 mA
- Power loss / Power loss, typ.
- 2 W
- Digital inputs / Number of digital inputs
- 8
- Digital inputs / Sourcing/sinking input
- Yes
- Input voltage / Type of input voltage
- DC
- Input voltage / Rated value (DC)
- 24 V
Available Offers
(28)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Surplus | Availability 1 pc. Updated at: 13-10-2026In-Stock | Supplier PolandTrusted supplier — member since 2021, 5–9 employees | Warranty 12 months | |
| Condition New Surplus | Availability 10 pcs. Updated at: 01-10-2026In-Stock | Supplier GermanyTrusted supplier — member since 2024 | Warranty 24 months | |
| Condition Refurbished | Availability On requestLead time: 9 days | Supplier GermanyTrusted supplier — member since 2024 | Warranty 24 months | |
| Condition New Surplus | Availability 16 pcs. Updated at: 01-10-2026In-Stock | Supplier GermanyTrusted supplier — member since 2024 | Warranty 24 months | |
 | Condition Used | Availability 3 pcs. Updated at: 12-10-2026In-Stock | Supplier GermanyTrusted supplier — member since 2025, 5–9 employees | Warranty 6 months | |
 | Condition New Surplus | Availability On requestLead time: 21 days | Supplier RomaniaTrusted supplier — member since 2023, 1–4 employees | Warranty Not specified |
Germany
RomaniaOffer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 6ES7221-1BF22-0XA0, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 13-10-2026
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