Siemens
Siemens SIMATIC S7-200 Digital Input EM 221 Module
Siemens SIMATIC S7-200 Digital Input EM 221, 8 DI, 24V DC
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12-Mo Warranty
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12-month warranty
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Same-day dispatch
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Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
8 Digital Inputs
24V DC Operation
Sinking and Sourcing Capability
For S7-22X CPUs
Compact Design
Reliable Siemens Quality
Product description
The Siemens 6ES7221-1BF22-0XA0 is a digital input expansion module for the SIMATIC S7-22X series CPUs. It features 8 digital inputs operating at 24V DC, supporting both sinking and sourcing configurations.
This module is ideal for applications requiring discrete input signal acquisition in various industrial automation environments, including manufacturing, process control, and building automation systems.
As a veteran-owned surplus parts distributor, Stanlo Automation provides reliable access to essential components like the 6ES7221-1BF22-0XA0, ensuring your automation systems remain operational.
Technical specifications
| Type | Digital Input Module |
| Series | SIMATIC S7-200 |
| Model | EM 221 |
| Inputs | 8 DI |
| Voltage | 24 V DC |
| Configuration | Sinking/Sourcing |
Common applications
Industrial Automation
Machine Control
Process Monitoring
PLC Expansion
Manufacturing Lines
Assembly Stations
Compatible systems
S7-22X CPU Series
Also known as
Siemens EM221
S7-200 DI Module
6ES72211BF220XA0
Replaces / compatible with
This module is specifically designed for use with the S7-22X CPU series. It serves as a direct replacement or expansion for existing S7-200 digital input configurations.
Technical note
Expert tip
Ensure correct sinking/sourcing configuration during wiring to avoid input signal issues with the S7-22X CPU.What happens next?
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Frequently asked questions
What is the voltage and input type for the Siemens 6ES7221-1BF22-0XA0?
The Siemens 6ES7221-1BF22-0XA0 features 8 digital inputs that operate at 24V DC. It supports both sinking and sourcing input configurations, offering flexibility in wiring.