# Siemens Digital Input Module 6ES7 221-1BF21-0XA0 - 15-30 VDC

Enhance your industrial automation with the **Siemens Digital Input Module 6ES7 221-1BF21-0XA0**. This reliable module ensures precise control and seamless integration in your **Siemens** Simatic S7-200 systems.

Designed for versatile applications, the **digital input module** operates within a **15-30 VDC** range. Its robust construction guarantees long-term performance in demanding industrial settings. Ideal for control systems requiring dependable signal processing.

-   **High Reliability**: Ensures consistent performance in automation systems
-   **Wide Compatibility**: Designed for seamless integration with Simatic S7-200
-   **Durable Build**: Withstands harsh industrial environments
-   **Easy Installation**: Lightweight design for quick setup
-   **Precise Control**: Delivers accurate signal processing for critical applications

**Specifications:**

-   Voltage Input: **15-30 VDC**
-   Module Type: Digital Input
-   Compatibility: **Siemens** Simatic S7-200
-   Weight: 160 grams

Invest in the **Siemens 6ES7 221-1BF21-0XA0 Digital Input Module** for dependable performance and optimized control in your industrial automation processes. Upgrade your system today

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Automation > Input Modules > Digital Input
- **Tags:** 15-30 VDC, 6ES7 221-1BF21-0XA0, automation, control systems, digital input module, industrial input, siemens, simatic s7-200

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Siemens Digital Input Module 6ES7 221-1BF21-0XA0 - 15-30 VDC-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/siemens-digital-input-module-6es7-221-1bf21-0xa0)
> Updated: 2026-09-19