SIEMENS
Fail-safe digital input signal module (SM 1226, F-DI 16x 24 V DC) designed for the SIMATIC S7-1200 Basic Controller. It provides 16 digital inputs for connecting safety-related sensors and devices. This module supports PROFIsafe communication and is certified up to Performance Level E (PL E) according to ISO 13849-1 and Safety Integrity Level 3 (SIL 3) according to IEC 61508
The Siemens 6ES7226-6BA32-0XB0 is a high-performance SIMATIC S7-1200 SM 1226 F-DI safety digital input module designed for demanding industrial automation environments. With 16 digital inputs (24 V DC), integrated PROFIsafe functionality, and compliance up to PL e (ISO 13849-1) and SIL3 (IEC 61508), this module ensures maximum reliability and safety for machinery and plant operations.
Built with Siemens' trusted engineering quality, this compact 70 mm wide module is the ideal solution for applications requiring safe signal acquisition, robust communication, and seamless integration within the S7-1200 automation system.
Enhanced Functional Safety — PROFIsafe support ensures precise, safe communication for critical applications.
High Signal Reliability — 16 high-quality digital inputs for safe detection of 24 V DC signals.
Easy Integration — Fully compatible with the SIMATIC S7-1200 ecosystem.
Space-Saving Compact Design — Slim 70 mm width optimizes cabinet space.
Suitable for High-Risk Applications — Certified up to PL e / SIL3, ideal for advanced machine safety.
Flexible Use Cases — Perfect for safety-related automation in manufacturing, assembly lines, robotics, and machinery.
Module Type: Safety Digital Input Module (F-DI)
Input Channels: 16 digital inputs, 24 V DC
Safety Protocol: PROFIsafe
Safety Level: PL e (ISO 13849-1) / SIL3 (IEC 61508)
Width: 70 mm
System Compatibility: SIMATIC S7-1200 controllers
Application: Safety monitoring, emergency stops, sensors, protective devices, industrial automation
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| SKU / Model | 6ES7226-6BA32-0XB0 |
|---|---|
| Brand | SIEMENS |
| Product type designation | SM 1226, F-DI 16x24 V DC |
| Rated value (DC) | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
| power supply according to NEC Class 2 required | No |
| from backplane bus 5 V DC, max. | 155 mA; Current consumption (SM Bus, 5 V DC): 155 mA |
| ● from load voltage L+ (without load), max. | 130 mA; 130 mA + 6 mA / input used + any Vs1/Vs2 current used |
| Power loss, typ. | 7 W |
| Number of digital inputs | 16; 16 (1oo1) or 8 (1oo2); Note: You can individually assign each pair of inputs "a.x" and "b.x" as a single (1oo2)-channel or as 2 separate (1oo1)-channels |
| — up to 50 °C, max. | 16; 16 inputs at 55 °C horizontal |
| — up to 40 °C, max. | 16; 16 inputs at 45 °C vertical |
| ● for signal "0" | -30 V DC to +5 V DC |
| ● for signal "1" | 15 V DC to 30 V DC |
| ● for signal "0", max. (permissible quiescent current) | 0.5 mA |
| ● for signal "1", typ. | 5 mA |
| — parameterizable | Yes; 0.8 / 1.6 / 3.2 / 6.4 / 12.8 ms |
| ● shielded, max. | 200 m; unshielded with input filter time of 1.6 ms to 12.6 ms (With an input delay of 0.8 ms, shielded cables must be used for the digital inputs and the sensor supply) |
| ● unshielded, max. | 200 m; Shielded with input filter time of 0.8 ms to 12.6 s (With an input delay of 0.8 ms, shielded cables must be used for the digital inputs and the sensor supply) |
| ● for status of the inputs | Yes |
| IP degree of protection | IP20 |
| CE mark | Yes |
| cULus | Yes |
| FM approval | Yes |
| ● Performance level according to ISO 13849-1 | 1-channel, Category 3, PL d; 2-channel, Category 3 or 4, PL e |
| ● SIL acc. to IEC 61508 | SIL 2 (single-channel), SIL 3 (two-channel) |
| — Low demand mode: PFDavg in accordance with SIL2 | < 5.00E-04 |
| — Low demand mode: PFDavg in accordance with SIL3 | < 1.00E-05 |
| — High demand/continuous mode: PFH in accordance with SIL2 | < 1.00E-08 1/h |
| — High demand/continuous mode: PFH in accordance with SIL3 | < 1.00E-10 1/h |
| ● Fall height, max. | 0.3 m; five times, in product package |
| ● permissible temperature change | 5°C to 55°C, 3°C / minute |
| ● min. | -40 °C |
| ● max. | 70 °C |
| ● Storage/transport, min. | 660 hPa |
| ● Storage/transport, max. | 1 080 hPa |
| ● Operation at 25 ℃ without condensation, max. | 95 % |
| Enclosure material (front) | - |
| ● Plastic | Yes |
| Width | 70 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight, approx. | 250 g |
| last modified: | 10/7/2021 |
| Weight | 0.090 kg |
| Dimensions | 6.50 × 9.20 × 3.80 mm |
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