Schneider BMXSD00802 Safety Discrete Output Module

Product Description

The BMXSDO0802 is a high-reliability discrete safety output module within the Schneider Electric Modicon X80 series. Engineered for SIL3 safety architectures, this module provides 8 solid-state, positive logic (source) outputs at a nominal 24 V DC. It is designed to drive critical safety actuators such as contactors, solenoids, and signal lamps in high-stakes environments including energy production, heavy manufacturing, and large-scale infrastructure. Featuring real-time diagnostics and an integrated electronic circuit breaker, the BMXSDO0802 ensures that safety-critical loops remain functional and protected against field-side electrical faults.

Technical Specifications

• Manufacturer: Schneider Electric

• Model Number: BMXSDO0802

• Series: Modicon X80 Safety

• Output Channels: 8 Discrete Outputs

• Output Type: Solid-state, Positive Logic (Source)

• Nominal Voltage: 24 V DC (Range: 19–30 V DC)

• Current per Channel: 0.625 A

• Maximum Module Current: 10 A

• Response Time: 1.2 ms

• Safety Integrity Level: SIL3

• Reliability (MTBF): 383,000 Hours

• Power Dissipation: 4.4 W

• Leakage Current: 0.5 mA (at State 0)

• Voltage Drop: < 1.2 V (at State 1)

• Switching Frequency: 0.5 / LI2 Hz

• Insulation Resistance: > 10 MΩ @ 500 V DC

• Current Consumption: 264 mA @ 3.3 V DC / 15 mA @ 24 V DC

• Connector Requirement: 20-point Terminal Block (e.g., BMXFTB2000)

Advanced Safety & Protection Features

The BMXSDO0802 is equipped with a multi-layered protection strategy to maintain the integrity of the safety loop:

• Overload Management: Utilizes both a hardware current limiter and an intelligent electronic circuit breaker.

• Overvoltage Suppression: Integrated Transil diodes protect the internal circuitry from inductive kicks and surges.

• Fault Diagnostics: Real-time monitoring of channel states with dedicated LEDs and a system-level ERR indicator for rapid troubleshooting.

• Redundancy Support: Allows for the paralleling of up to two outputs to increase current capacity or provide hardware redundancy.