Product Performance and Application
The ABB DTDX991A Digital Input Module delivers high-speed digital signal acquisition for industrial automation systems. Engineered for demanding environments, it features robust construction with IP20 protection and operates in extreme temperatures (-25°C to +70°C). With 16-channel capacity and <1ms response time, this module ensures precise monitoring and seamless integration with ABB control systems while optimizing cabinet space utilization.
Technical Specifications
- Brand: ABB
- Model: DTDX991A
- Type: Digital Input Module
- Input Channels: 16 channels
- Voltage Range: 10-24 VDC
- Response Time: <1 ms
- Protection Rating: IP20
- Operating Temp: -25°C to +70°C
- Weight: 0.35 kg
- Dimensions: Compact DIN-rail design

Industrial Applications
This module is essential for manufacturing plants, power generation facilities, and process industries requiring reliable digital input processing. Ideal for conveyor systems, safety interlocks, motor control centers, and equipment status monitoring in harsh environments with dust, vibration, or temperature fluctuations.
Our Service Commitment
As certified partners of Bentley Nevada, Honeywell, and ABB, Guangzhou Qiming Automation guarantees 100% genuine products with 1-year warranty. We maintain ample stock for 24-hour shipment globally. Our engineering team provides professional pre-sales consultation and after-sales technical support. Contact us on WhatsApp for urgent inquiries.
Contacts
🔹 Ayla
📞 Tel/WeChat: 19129224926
💬 WhatsApp: +86 19129224926
🌐 Skype: live:.cid.3d1b1e5747c071eb
✉️ E-mail: Ayla082209@gmail.com










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