STBDDI3725 Basic High-Density Digital Input Module by Schneider Electric
Model STBDDI3725 is a 16-channel digital input module from the Advantys STB series. It reads 24V DC signals. The module supports hot swapping. It fits distributed I/O islands. This part is discontinued and replaced by the Modicon X80 range. Oiltech Controls supplies tested surplus and refurbished units.
Technical Specifications
| Brand | Schneider Electric |
| Model | STBDDI3725 |
| Series | Advantys STB |
| Module Type | Basic high-density digital input module |
| Channels | 16 |
| Signal Type | 24V DC digital input |
| Hot Swapping | Yes |
| Supply Voltage | 24V DC |
| Communication | Advantys STB distributed I/O island (requires NIM) |
| Protection Rating | IP20 |
| Operating Temperature | Not available |
| Storage Temperature | Not available |
Installation Guide
- Mount the module in an Advantys STB island.
- Use a NIM for network communication.
- Connect 24V DC field wiring to the input terminals.
- Keep the cabinet clean. The module has IP20 protection.
- Hot swap the module while the island stays powered.
Debug and Maintenance Convenience
- Hot swapping cuts downtime during replacement.
- 16 channels in one module save rack space.
- Simple 24V DC input wiring speeds up checks.
- Clear channel layout helps fast fault tracing.
Compatibility Notes
- Works only in Advantys STB distributed I/O islands.
- Requires a NIM module for fieldbus connection.
- Reads standard 24V DC sensor and switch signals.
- Superseded by the Modicon X80 range.
Certifications and Packaging
- CE and RoHS information available on request.
- Package includes: 1 × STBDDI3725 module, anti-static bag, and protective carton.
- 12-month warranty against functional defects.
- Shipping by FedEx, UPS, or DHL.
Typical Applications
- Machine status sensing in factory automation.
- Pushbutton and limit switch input.
- Distributed I/O islands with Advantys STB.
- Legacy system maintenance and spare part replacement.
Diagnostic Capabilities
- Channel-level input status for fast checks.
- Hot swap support reduces fault recovery time.
- 24V DC input design resists common industrial noise.
- Clear LED indicators simplify troubleshooting.
FAQ
Q: Is STBDDI3725 discontinued?
A: Yes. It is superseded by the Modicon X80 range. Oiltech Controls offers tested surplus and refurbished units.
Q: How many channels does it have?
A: 16 digital input channels.
Q: Does it support hot swapping?
A: Yes. You can replace it while the island stays powered.
Q: What voltage does it use?
A: 24V DC digital input.
Q: What warranty do you provide?
A: 12-month warranty. Technical verification before shipment.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts.
- Global shipment support by FedEx, UPS, and DHL.
- Tested industrial surplus and refurbished options.
- 12-month warranty on every eligible module.
- Technical verification before shipment.
- Support for obsolete control systems.
Contact us for inquiries: info@oiltechcontrols.com or +86 158 8020 0923 via WhatsApp.
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