Description
ABB DSDX404 Full-Process Automated Program Control Module
The ABB DSDX404 is a digital signal expansion module designed for industrial automation systems. We’ve supplied this to multiple clients in the oil & gas and chemical processing sectors where precise control over complex processes is critical. One client specifically mentioned how it improved their pipeline monitoring system’s accuracy by 40%.
| Manufacturer | ABB |
| Model Number | DSDX404 |
| Module Type | Digital Input Module |
| Input Channels | 16 Channels |
| Voltage Range | 24V DC |
| Current Rating | 0.5A per Channel |
| Operating Temp | -40°C to +85°C |
| Protection Class | IP20 |
| Dimensions | 100mm x 60mm x 40mm |
| Weight | 0.2kg |
| Certifications | CE, UL, IECEx |

Common applications include:
- Refinery process control systems
- Chemical plant safety interlock systems
- Pipeline monitoring installations
- Automated tank farm management
Works seamlessly with ABB’s AC500 series PLCs and 800xA DCS systems. Recently helped a client in Xinjiang integrate this module with their existing Foxboro I/A Series system through a custom interface solution.


At Guizhou Yuanmiao Automation, we maintain active stock of this module with 1-year warranty. Our team has handled urgent replacements for shutdown maintenance projects across China. For specific pricing and availability, message us on WhatsApp or email 2645963284@qq.com. Personally, I found that keeping 2-3 units in local warehouses helps clients avoid 4-6 week production delays during unplanned maintenance.
Guizhou Yuanmiao Automation Equipment Co., Ltd. – Specializing in industrial automation components since 2015. Over 500 successful installations across energy, chemical, and manufacturing sectors.








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