Sigmatek - SDI 101 - S-DIAS Safety Digital Input Module, 10 Inputs, SIL3/PL e

The Sigmatek SDI 101 is a compact safety digital input module from the S-DIAS series, designed for high-integrity safety applications. It features 10 safe digital inputs with integrated cross-circuit detection, making it ideal for monitoring emergency stops, safety gates, and other critical signals. Certified to SIL 3 (EN IEC 62061) and Performance Level e (EN ISO 13849-1), the SDI 101 ensures reliable operation in demanding industrial environments. 

Key Features:

• Model: SDI 101

• Brand: Sigmatek

• Function: Safety digital input module with cross-circuit detection

• Number of Inputs: 10 safe digital inputs

• Input Voltage: +24 V DC (range: +18 V to +30 V)

• Input Current: 3 mA at +24 V

• Input Delay: 0.5 ms

• Signal Level Thresholds:

  • Low: ≤ +5 V

  • High: ≥ +15 V

• Cross-Circuit Detection: Integrated via two non-safe signal outputs (TA and TB)

• Safety Certifications:

  • SIL 3 (EN IEC 62061)

  • PL e, Category 4 (EN ISO 13849-1)

• Safety Parameters:

  • PFH: 2.00E-09 (1/h)

  • MTTFD: 1928 years

  • DC: 97%

  • SFF: 99%

• Power Supply:

  • +12 V DC (typ. 12 mA, max. 15 mA)

  • +24 V DC (typ. 44 mA, max. 50 mA)

• Mounting: DIN rail

• Dimensions (W × H × D): 12.5 mm × 104.2 mm × 72 mm

• Weight: Approximately 100 g

• Operating Temperature: 0 °C to +60 °C

• Storage Temperature: -20 °C to +85 °C

• Humidity: 0–95%, non-condensing

• Protection Class: IP20

• Approvals: UL, cUL, CE, TÜV Austria EG type-tested

• Applications: Ideal for use in safety-critical applications such as emergency stop monitoring, safety gate control, and other industrial safety functions requiring high reliability and compliance with international safety standards.