The Schneider Electric BMXDDI3202K is a discrete digital input module for the Modicon X80 (M340) platform, providing 32 isolated sink-type inputs at 24V DC positive logic. Designed for precise digital signal acquisition in industrial automation, it offers fast response times and high reliability with an MTBF of 905,000 hours.

Technical specifications:

• Commercial reference: BMXDDI3202K
• Manufacturer: Schneider Electric
• Series / range: Modicon X80
• Product type: Digital input module
• Number of digital inputs: 32
• Input type: Isolated, sink (positive logic)
• Input voltage: 24V DC positive
• Input current: 2.5 mA
• Guaranteed state 1: >= 2 mA
• Guaranteed state 0: <= 0.5 mA
• Input impedance: 9600 Ohm
• Sensor power supply: 19…30V
• Typical response time: 4 ms
• Maximum response time: 7 ms
• Typical current consumption: 121 mA at 3.3V DC
• Power dissipation: 3.9W
• Insulation resistance: > 10 MOhm at 500V DC
• Dielectric strength: 1500V AC (50/60 Hz, 1 min); 500V DC (1 min) between channel groups
• Protection type: 1 external fuse per channel group, 0.5A fast fuse; reverse polarity protection
• Voltage detection threshold: < 14V DC (sensor fault), > 18V DC (sensor OK)
• IP rating: IP20
• Operating temperature: 0…60 degrees C
• Storage temperature: -40…85 degrees C
• Relative humidity: 5…95% at 55 degrees C, non-condensing
• Vibration resistance: 3 gn
• Shock resistance: 30 gn
• MTBF: 905,000 hours
• Product weight: 0.112 kg
• Directives: 2014/35/EU (Low Voltage), 2014/30/EU (EMC)

Features and benefits:

• 32 isolated inputs for reliable signal separation and reduced interference in dense wiring environments
• Compatible with 2-wire and 3-wire proximity sensors per IEC 60947-5-2 and IEC 61131-2 Type 1
• Status LED indicators per channel (green) plus module RUN (green) and ERR (red) diagnostics
• Built-in reverse polarity protection and per-group channel fusing for enhanced circuit safety
• High MTBF of 905,000 hours ensures long-term operational reliability

Applications:

• Industrial automation panels using Modicon M340 / X80 PLC platforms
• Machine control systems requiring high-density digital input acquisition
• Process control installations with proximity sensor interfacing
• Manufacturing lines with 24V DC field device monitoring

Compliant with IEC 61131-2 and IEC 60947-5-2. Part of the Schneider Electric Modicon X80 range.

Also known as: Schneider BMXDDI3202K, Schneider Electric BMXDDI3202K, Modicon X80 digital input module, M340 32-input module.