Key Features
- Fail-safe digital input module: SIMATIC S7-1200 Digital input SM 1226, F-DI 16X 24 V DC.
- PROFIsafe support: Includes PROFIsafe.
- 16 digital inputs: Number of digital inputs: 16; 16 (1oo1) or 8 (1oo2).
- 24 V DC supply: Rated value (DC): 24 V.
- Compact width: 70 mm overall width.
- Protection rating: IP degree of protection: IP20.
Technical Summary
| Product type designation | SM 1226, F-DI 16×24 V DC |
|---|---|
| Digital inputs, number | 16; 16 (1oo1) or 8 (1oo2) |
| Rated value (DC) | 24 V |
| Supply voltage, lower limit (DC) | 20.4 V |
| Supply voltage, upper limit (DC) | 28.8 V |
| Power loss, typ. | 7 W |
| Input current from backplane bus 5 V DC, max. | 155 mA; Current consumption (SM Bus, 5 V DC): 155 mA |
| Input voltage for signal "1" | 15 V DC to 30 V DC |
| Input voltage for signal "0" | -30 V DC to +5 V DC |
| Diagnostics indication LED for status of the inputs | Yes |
| IP degree of protection | IP20 |
Applications
- Fail-safe digital input acquisition: For acquiring 16 digital input signals in a fail-safe I/O setup.
- PROFIsafe-based input communication: For transmitting fail-safe input data with PROFIsafe.
Frequently Asked Questions
What is the exact Siemens part number for this fail-safe input module?
The exact part number is 6ES7226-6BA32-0XB0.
How many digital inputs does the SM 1226 F-DI 16×24 V DC have?
It has 16 digital inputs; the value is given as 16 (1oo1) or 8 (1oo2).
What supply voltage range does this module require?
Rated value (DC): 24 V. Permissible range: 20.4 V to 28.8 V DC.
What protection rating is specified for this module?
IP degree of protection: IP20.
