Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SM 1226, F-DI 16×24 V DC |
| Digital input channels | 16; 16 (1oo1) or 8 (1oo2) |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V DC to 28.8 V DC |
| Signal "0" input voltage | -30 V DC to +5 V DC |
| Signal "1" input voltage | 15 V DC to 30 V DC |
| Communication | PROFIsafe |
| Protection | IP20 |
Key Features
- Fail-safe digital inputs: SM 1226, F-DI 16×24 V DC with 16 digital inputs; each input pair can be assigned as one 1oo2 channel or two separate 1oo1 channels.
- Signal voltage ranges: Input voltage is -30 V DC to +5 V DC for signal "0" and 15 V DC to 30 V DC for signal "1".
- Supply and diagnostics: Rated supply voltage is 24 V DC, with a permissible range of 20.4 V DC to 28.8 V DC. An LED indicates input status.
- Installation and protection: The module has a 70 mm overall width, IP20 protection, and supports 16 inputs up to 50 °C for horizontal installation or up to 40 °C for vertical installation.
Frequently Asked Questions
1. How many digital inputs does the Siemens 6ES7226-6BA32-0XB0 have?
It has 16 digital inputs, configurable as 16 (1oo1) or 8 (1oo2). Each input pair can be assigned as one 1oo2 channel or two separate 1oo1 channels.
2. What signal voltage ranges does the SM 1226 F-DI 16×24 V DC support?
For signal "0", the input voltage is -30 V DC to +5 V DC. For signal "1", it is 15 V DC to 30 V DC.
3. What supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V DC to 28.8 V DC. A power supply according to NEC Class 2 is not required.
