SIMATIC S7-1200 SM 1226 Fail-Safe I/O Modules are F-DI 16x24 V DC, F-DQ 4x24 V DC 2 A and F-DQ 2x relay 5 A modules that communicate with fail-safe CPUs via PROFIsafe. They are 70 mm wide, rated up to PL e (ISO 13849-1)/SIL 3 (IEC 61508) and operate exclusively in the central system.
Technical data
| Product | SM 1226 |
|---|---|
| Product family | SIMATIC S7-1200 |
| Description | Fail-safe input and output modules for safety applications up to PLe / SIL3 |
| Example version | SIMATIC S7-1200, SM 1226 digital input module F-DI 16x 24 V DC, PROFIsafe, 70 mm size, up to PLe (ISO 13849-1)/ SIL3 (IEC 61508) |
| Programming | STEP 7 (TIA Portal) |
Article numbers
| Version | Description | Article No. |
|---|---|---|
| Standard | SIMATIC S7-1200, SM 1226 digital input module F-DI 16x 24 V DC, PROFIsafe, 70 mm size, up to PLe (ISO 13849-1)/ SIL3 (IEC 61508) | 6ES7226-6BA32-0XB0 |
| Standard | SIMATIC S7-1200, SM 1226 digital output module F-DQ 4x 24 V DC 2 A, PROFIsafe, 70 mm size, up to PLe (ISO 13849-1)/ SIL3 (IEC 61508) | 6ES7226-6DA32-0XB0 |
| Standard | SIMATIC S7-1200, SM 1226 relay output F-DQ 2x RLY 5 A, PROFIsafe, 70 mm size, up to PLe (ISO 13849-1)/ SIL3 (IEC 61508) | 6ES7226-6RA32-0XB0 |
| SIPLUS | SIPLUS SM 1226 fail-safe digital input signal module | 6AG1226-6BA32-5XB0 |
| SIPLUS | SIPLUS SM 1226 fail-safe digital output module | 6AG1226-6DA32-5XB0 |
| SIPLUS | SIPLUS SM 1226 fail-safe relay output signal module | 6AG1226-6RA32-5XB0 |
Technical data and article numbers are based on Siemens catalog ST 70 · 2026 (chapter SIMATIC S7-1200) and are for information only. Image is representative.
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Tags: SM 1226, siemens s7-1200, simatic plc, sm 1226, 6ES7226-6BA32-0XB0, 6ES7226-6DA32-0XB0, 6ES7226-6RA32-0XB0, 6AG1226-6BA32-5XB0, 6AG1226-6DA32-5XB0, 6AG1226-6RA32-5XB0