Description
The Siemens 6ES7138-4FA03-0AB0 is a high-integrity fail-safe digital input module (F-DI) designed for the ET200S distributed I/O platform. Supporting 4 or 8 safety-related inputs at 24 V DC, it enables reliable monitoring of emergency stops, safety switches, light curtains, and other protective devices.
Built for demanding safety applications, this module supports PROFIsafe communication over PROFIBUS DP and can also be integrated into PROFINET networks when used with the IM151-3 HF interface module. It meets stringent functional safety standards up to Category 4 (EN 954-1) and SIL3 (IEC 62061), making it suitable for mission-critical industrial automation environments.
With a compact 30 mm width, the module saves panel space while maintaining robust performance and easy integration into existing ET200S installations. It is ideal for machine safety systems, process plants, and automated production lines where reliable fail-safe input monitoring is essential.
Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Part Number | 6ES7138-4FA03-0AB0 |
| Product Type | Fail-Safe Digital Input Module (F-DI) |
| System | SIMATIC ET200S |
| Number of Inputs | 4 / 8 Fail-Safe DI |
| Input Voltage | 24 V DC |
| Communication | PROFIsafe over PROFIBUS DP |
| PROFINET Compatibility | Yes (with IM151-3 HF) |
| Safety Rating | Category 4 (EN 954-1), SIL3 (IEC 62061) |
| Module Width | 30 mm |
| Application | Safety Monitoring & Emergency Circuits |
| Net Weight | 0.089 kg |
| Dimensions (L × W × H) | 9.7 × 6.6 × 3.8 cm |
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