Technical Summary
| Product type designation | SM 1221, DI 8×24 V DC |
|---|---|
| based on | 6ES7221-1BF32-0XB0 |
| Rated value (DC) | 24 V |
| Number of digital inputs | 8 |
| in groups of | 2 |
| Input characteristic curve in accordance with IEC 61131, type 1 | Yes |
| Power loss, typ. | 1.5 W |
| Input current from backplane bus 5 V DC, max. | 105 mA |
| IP degree of protection | IP20 |
| Ambient temperature during operation min. | -20 °C; = Tmin (incl. condensation/frost); start-up @ 0 °C |
| Ambient temperature during operation max. | 60 °C; = Tmax |
Applications
For reading 8 x 24 V DC digital input signals.
Key Features
SM 1221, DI 8×24 V DC.
Based on 6ES7221-1BF32-0XB0 with conformal coating.
8 digital inputs, arranged in groups of 2.
-20…+60 °C operating temperature.
24 V DC input voltage with sink/source behavior.
Active Product.
Frequently Asked Questions
What is the exact Siemens order number and module type for 6AG1221-1BF32-4XB0?
6AG1221-1BF32-4XB0 is a SIPLUS S7-1200 SM 1221 digital input module.
How many digital inputs does the 6AG1221-1BF32-4XB0 have?
It has 8 digital inputs arranged in groups of 2.
What input voltage is specified for this module?
The rated input voltage is 24 V DC.
What operating temperature range is specified for the SIPLUS variant?
The operating temperature range is -20…+60 °C.
What lifecycle status is listed for 6AG1221-1BF32-4XB0?
The lifecycle status is Active Product.
