Product Overview
Technical Summary
| Product designation | SM 1226, F-DI 16×24 V DC |
|---|---|
| Digital inputs | 16; 16 (1oo1) or 8 (1oo2) |
| Rated supply voltage | 24 V DC |
| Permissible supply voltage | 20.4 V DC to 28.8 V DC |
| Safety function | PROFIsafe; up to PL E (ISO 13849-1) / SIL3 (IEC 61508) |
| Protection | IP20 |
| Horizontal installation | 16 inputs at up to 50 °C |
| Vertical installation | 16 inputs at up to 40 °C |
| Signal 0 input voltage | -30 V DC to +5 V DC |
| Signal 1 input voltage | 15 V DC to 30 V DC |
Key Features
- Product designation: SM 1226, F-DI 16×24 V DC fail-safe digital input module for SIMATIC S7-1200.
- Digital inputs: 16 inputs; configurable as 16 (1oo1) or 8 (1oo2), with each input pair assignable as one (1oo2)-channel or 2 separate (1oo1)-channels.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 20.4 V DC to 28.8 V DC.
- Safety and communication: PROFIsafe; up to PL E (ISO 13849-1) / SIL3 (IEC 61508).
- Installation and protection: 70 mm overall width; IP20 degree of protection. Maximum input count is 16 at up to 50 °C horizontal installation or up to 40 °C vertical installation.
- Input signals: Signal 0 input voltage: -30 V DC to +5 V DC; signal 1 input voltage: 15 V DC to 30 V DC.
Frequently Asked Questions
Which product does Siemens order number 6ES7226-6BA32-0XB0 identify?
It identifies a SIMATIC S7-1200 SM 1226, F-DI 16×24 V DC fail-safe digital input module.
Which specifications distinguish this exact MLFB variant?
Check the 16 F-DI inputs, 24 V DC rated supply, PROFIsafe, 70 mm overall width, and IP20 protection.
What code and nameplate details should be checked before quotation?
Check the complete 6ES7226-6BA32-0XB0 order number and the product designation SM 1226, F-DI 16×24 V DC.
What quantity and destination are needed for a quotation?
Provide the required quantity and delivery destination with the complete order number.
