The ABB DI621 is a robust digital input module designed to offer reliable and high-performance signal acquisition for ABB’s industrial automation systems. Tailored for use with the ABB 800xA and Freelance control systems, the DI621 facilitates seamless integration of digital inputs from sensors, switches, and other field devices. With its high-density input channels and advanced electrical isolation, this module is ideal for demanding applications in industries such as process automation, manufacturing, and energy. Its compact design, along with excellent signal integrity and fast response time, ensures precise control and monitoring in even the most critical environments.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | ABB DI621 |
| Module Type | Digital Input Module |
| Input Channels | 16 Digital Inputs |
| Input Type | Discrete Digital Inputs |
| Input Voltage | 24 V DC |
| Current Draw | 4.5 mA per input |
| Isolation | 250 V RMS (Input to Output Isolation) |
| Signal Type | Sinking or Sourcing (configurable) |
| Mounting Type | 800xA or Freelance I/O racks |
| Operating Temperature | −20°C to +60°C |
| Dimensions (L×W×H) | 120 mm × 140 mm × 60 mm |
| Weight | 0.34 kg |
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ABB DI620 – Digital input module with 32 input channels for higher-density applications.
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ABB DI631 – Advanced digital input module with additional diagnostic features.
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ABB DO621 – Digital output module designed to complement the DI621 for full I/O control.
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