Key Features
- 4 digital inputs: Number of digital inputs: 4; Current-sourcing.
- 5 V DC input rating: Input voltage, rated value (DC): 5 V.
- 200 kHz input designation: Product type designation: SB 1221, DI 4×5 V DC 200 kHz.
- Parameterizable inputs: Standard inputs, interrupt inputs, and technological functions are parameterizable.
- Diagnostics indication LED: Diagnostics indication LED for status of the inputs: Yes.
Applications
- Digital input signal acquisition: Acquiring 4 current-sourcing digital input signals at 5 V DC.
Technical Summary
| Product type designation | SB 1221, DI 4×5 V DC 200 kHz |
|---|---|
| Number of digital inputs | 4; Current-sourcing |
| Input voltage, rated value (DC) | 5 V |
| Input current for signal "1", typ. | 15 mA |
| Input current for signal "1", min. | 5.1 mA |
| Input current for signal "0", max. (permissible quiescent current) | 2.2 mA |
| Input current from backplane bus 5 V DC, typ. | 40 mA |
| Power loss, typ. | 1 W |
| Diagnostics indication LED for status of the inputs | Yes |
Frequently Asked Questions
What is Siemens 6ES7221-3AD30-0XB0?
It is a SIMATIC S7-1200 SB 1221 digital input module.
How many digital inputs does 6ES7221-3AD30-0XB0 provide?
It provides 4 digital inputs, configured as current-sourcing inputs.
What is the rated input voltage for the SB 1221 DI module?
The rated input voltage is 5 V DC.
What diagnostic indication is available on this module?
It has a diagnostics indication LED for the status of the inputs.
