Siemens S7-1200 SM1226 Fail-safe F-DI 16x24 V DC

Specifications: Electrical Characteristics: Supply Voltage Range: 20.4 V to 28.8 V DC. Backplane Bus Current: Max 155 mA. Power Loss: ~7 W. Load Voltage L+ Current: Max 130 mA + 6 mA/input used + Vs1/Vs2 current. Digital Inputs: Channels: 16. Configurable Modes: 16 inputs in 1oo1 mode. 8 input pairs in 1oo2 mode. Input Voltage Range: Signal “0”: –30 V to +5 V DC. Signal “1”: 15 V to 30 V DC. Input Delay (parameterizable): 0.8 / 1.6 / 3.2 / 6.4 / 12.8 ms. Cable Length: Shielded: Up to 200 m. Unshielded: Up to 200 m (with ≥1.6 ms delay). Safety & Compliance: Safety Protocol : PROFIsafe. Performance Level (ISO 13849-1): PL d (1oo1), PL e (1oo2). SIL Rating (IEC 61508): SIL 2 (1oo1), SIL 3 (1oo2). PFDavg (Low Demand Mode): < 1.00 × 10⁻⁸ (SIL2), < 1.00 × 10⁻⁵ (SIL3). PFH (High Demand Mode): < 1.00 × 10⁻¹⁰ (SIL3). Certifications: CE, UL, FM, RCM, ATEX, IECEx. Mechanical & Environmental: Dimensions (W x H x D): 70 x 100 x 75 mm. Weight: ~250 g. Mounting: DIN rail. Protection Rating: IP20. Operating Temp: 0 to +55 °C. Storage Temp: –40 to +70 °C. Humidity: Up to 95% (non-condensing).