Schneider BMXSDl1602 Safety Discrete Input Module

Product Description

The BMXSDI1602 is a high-integrity discrete safety input module designed for the Schneider Electric Modicon X80 platform. Engineered for mission-critical automation, this module provides 16 Type 3 discrete inputs specifically optimized for safety-related functions such as emergency stops, safety interlocks, and hazardous zone monitoring. It is a core component for systems requiring SIL3, PLd, or Category 4 compliance. With its conformal coating and rugged design, the BMXSDI1602 ensures reliable operation in demanding environments across the chemical, energy, and transportation sectors.

Technical Specifications

• Manufacturer: Schneider Electric

• Model Number: BMXSDI1602

• Series: Modicon X80 Safety

• Input Channels: 16 Discrete Inputs (Type 3)

• Input Type: Current Sink (Positive Logic)

• Nominal Voltage: 24 V DC

• Input Current: 3.2 mA

• Input Impedance: 7500 Ω

• Response Time: 6 ms (Typical/Maximum)

• Safety Ratings: SIL3, PLd, Category 4

• Certifications: CE, UL, ATEX, IECEx

• Isolation Resistance: > 10 MΩ @ 500 VDC

• Environmental Protection: Conformal Coating

• Operating Temperature: -25°C to +60°C

• Power Dissipation: 3.57 W

• MTBF: 265,000 Hours

• Required Connector: BMXFTB2000 (20-point Terminal Block)

• Weight: 0.115 kg

Safety Architecture & Diagnostics

The BMXSDI1602 is built with advanced diagnostic capabilities to ensure the highest level of system trustworthiness. It features per-channel status LEDs and comprehensive supervision of the input circuit. The module supports 2-wire and 3-wire proximity sensors in accordance with IEC 60947-5-2, providing precise detection thresholds to differentiate between a valid "Logic 1" and a potential field fault. Its redundant internal architecture allows it to meet the stringent requirements of SIL3 safety loops when integrated with a Modicon Safety PLC.