Schneider Electric STBDDI3725 Digital Input Module

Description:

The Telemecanique STBDDI3725 Advantys digital input module is used in Advantys STB distributed I/O systems to acquire 24 V DC digital input signals from field devices and sensors. Commonly installed in PLC control panels, automated production lines, packaging machinery, conveyor systems, and process automation equipment requiring distributed digital input acquisition. Maintenance teams, OEMs, and system integrators use this module for equipment replacement, distributed I/O expansion, automation retrofits, and new machine installations.

Applications:

The Telemecanique STBDDI3725 digital input module collects input signals from switches, proximity sensors, photoelectric sensors, and other 24 V DC field devices for transmission to Advantys STB distributed I/O systems. It is widely used in factory automation, material handling systems, packaging equipment, assembly lines, and industrial process control where reliable digital signal acquisition and PLC communication are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): STBDDI3725
• Manufacturer: Telemecanique (Schneider Electric)
• Product Type: Digital Input Module
• Product Series: Advantys STB (Modicon STB Distributed I/O)
• Discrete Input Channels: 16
• Input Voltage: 24 V DC
• Input Type: IEC Type 3 Sink Inputs
• Operating Voltage Range: 19.2–30 V DC
• Input Voltage (ON): 11–30 V DC
• Input Voltage (OFF): -3 to +5 V DC
• Input Response Time: 2 ms (ON/OFF)
• Input Protection: Resistor-limited with reverse polarity protection
• Isolation Voltage: 1500 V DC (field-to-bus, 1 minute)
• Mounting Style: Advantys STB I/O Base (STBXBA3000)
• Compatible Systems: Advantys STB distributed I/O systems and PLC-based automation systems
• Replacement Type: OEM direct replacement

Common Replacements:

• Schneider Electric STBDDI3725
• Modicon STBDDI3725
• Modicon Edge I/O NTSDDI1602XK