Key Features
- 8 digital inputs: SB 1221 digital input module with 8 DI.
- 24 V DC sink/source inputs: Inputs are 8x DI 24 V DC sink/source.
- 100 kHz input rating: Input capability is 100 kHz.
Technical Summary
| Product type designation | SB 1221, DI 8x 24 V DC 100 kHz |
|---|---|
| Number of digital inputs | 8; sink / source |
| Input voltage, rated value (DC) | 24 V |
| Input frequency | 100 kHz |
| Input current from backplane bus 5 V DC, typ. | 108 mA |
| Power loss, typ. | 2.4 W |
| Degree of protection | IP20 |
Applications
- 24 V DC digital signal input: For acquiring 24 V DC digital input signals.
- High-speed input signal capture: For handling input signals at 100 kHz.
Frequently Asked Questions
What is the exact Siemens model and product type for 6ES7221-3BF50-0XB0?
It is an SB 1221 digital input module with product type designation SB 1221, DI 8x 24 V DC 100 kHz.
How many digital inputs does 6ES7221-3BF50-0XB0 have?
It has 8 digital inputs, configured as sink/source.
What input voltage does the module use?
The rated input voltage is 24 V DC.
What is the maximum input frequency of this module?
The input frequency is 100 kHz.
What should be confirmed before ordering 6ES7221-3BF50-0XB0?
Confirm the exact module variant, requested quantity, destination, and stock and dispatch conditions before ordering.
