Schneider BMXSDI1602 Safety Discrete Input Module

Overview

The Schneider Electric BMXSDI1602 is a safety discrete input module from the Modicon X80 series. It provides 16 positive logic inputs at 24 V DC, designed for use in SIL3-certified safety applications. This module ensures high reliability and precise signal acquisition for demanding industrial safety systems. It supports integration with Modicon M580 safety controllers and complies with IEC 61508, PLd, and Category 4 safety standards. The BMXSDI1602 enhances process efficiency through compact design, easy installation, and robust performance under harsh conditions. It features built-in diagnostics with individual channel LEDs, simplifying maintenance and fault detection. Designed for long-term reliability, it combines robust construction, environmental resistance, and advanced protection features.

Technical Specifications

• Model: BMXSDI1602

• Type: Safety Discrete Input Module

• Series: Modicon X80

• Number of Inputs: 16 non-isolated inputs (two groups of 8)

• Input Logic: Current sink (positive logic)

• Input Voltage: 24 V DC (19 to 30 V range)

• Input Current: 3.2 mA per channel

• Input Compatibility: Supports 2-wire and 3-wire proximity sensors (IEC 60947-5-2)

• Response Time: 6 ms typical and maximum

• Input Impedance: 7.5 kΩ

• Power Dissipation: 3.57 W

• Module Consumption: 256 mA at 3.3 V DC, 100 mA at 24 V DC

• Protection: Reverse polarity and 0.5 A fast blow external overload

• Voltage Detection: <14 V sensor fault, >18 V sensor OK

• Status Indicators:

• Green RUN LED (module operation)

• Green LEDs per channel (diagnostic)

• Red ERR LED (module error)

• Red I/O LED (channel fault)

• Safety Certification: SIL3 (IEC 61508), PLd, Category 4

• Compliance: CE, UL, ATEX, IECEx

• Environmental Protection: Conformal coating, IP20 rating

• Vibration Resistance: 3 gn

• Shock Resistance: 15 gn

• Operating Temperature: -25 to 60 °C (-13 to 140 °F)

• Storage Temperature: -40 to 85 °C (-40 to 185 °F)

• Humidity: 5% to 95% (non-condensing at 55 °C)

• Altitude: 0 to 2000 m (up to 5000 m with derating)

• MTBF Reliability: 265,000 hours

• Weight: 0.115 kg