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6ES7526-1BH00-0AB0 Siemens
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Technical Specifications
| Specification | Value |
|---|---|
| Number of digital inputs | 16 |
| Input voltage (rated value, DC) | 24 V |
| Input voltage – signal “0” | -30 to +5 V |
| Input voltage – signal “1” | +15 to +30 V |
| Input current (signal “1”, typ.) | 3.7 mA |
| Input delay (0→1 / 1→0) | 0.4 ms min – 20 ms max |
| Cable length (shielded) | 1 000 m max |
| Cable length (unshielded) | 500 m max |
| Diagnostics – diagnostic alarm | Yes |
| Diagnostics – short‑circuit detection | Yes |
| LED indications (RUN / ERROR / channel status) | Yes (green/red LEDs) |
| Potential separation between channels and backplane | Yes |
| Isolation test voltage (type test) | 707 V DC |
| Performance level (ISO 13849‑1) | PL e |
| SIL (IEC 61508) | SIL 3 |
| PFDavg (low demand, SIL 3) | < 5 × 10⁻⁵ |
| PFH (high demand/continuous, SIL 3) | < 1 × 10⁻⁹ 1/h |
| Ambient temperature (horizontal installation) | 0 °C to 60 °C |
| Ambient temperature (vertical installation) | 0 °C to 40 °C |
| Width | 35 mm |
| Height | 147 mm |
| Depth | 129 mm |
| Weight (approx.) | 280 g |
| Supply voltage range (DC) | 19.2 V to 28.8 V |
| Reverse‑polarity protection | Yes |
| Current consumption (rated value) | 50 mA |
| Sensor supply outputs | 4 outputs, 24 V; short‑circuit protection (0.7 to 1.8 A) |
| Output current (max) | 300 mA (100 mA in vertical mounting) |
| Power consumption on backplane bus | 0.9 W |
| Power loss (typ.) | 4.6 W |
| Address space per module | max. 9 bytes |
| Backplane bus PFH (SIL 3) | < 1 × 10⁻⁹ 1/h |
| PFDavg | < 5 × 10⁻⁵ |
The Siemens 6ES7526‑1BH00‑0AB0 is a SIMATIC S7‑1500 failsafe digital input module with 16 channels at 24 V DC, built for PROFIsafe systems. Engineered to meet PL e (ISO 13849‑1) and SIL 3 (IEC 61508) safety standards, it’s ideal for high-demand industrial environments requiring reliable safety monitoring. Compatible with TIA Portal (from V13 SP1 via HSP0086) and seamlessly integrates into S7‑1500 or ET 200MP automation platforms. Commonly used for safety-critical sensor monitoring, emergency stop circuits, or safety gate feedback in manufacturing and process control systems, this module delivers robust diagnostics and compact 35 mm design.
