ABB DI885 Digital Input Module
Description
ABB DI885 Digital Input Module is a reliable digital input module designed for collecting switch signals in industrial field environments, and is a key member of the ABB automation product family. It accurately transmits field digital signals such as equipment start-stop status and valve switch positions to control systems, supporting real-time operational monitoring and precise control decisions.
| Specification | Value |
|---|---|
| Number of Input Channels | 16 independent channels, grouped as 2 sets of 8 |
| Input Signal Type | DC current sinking |
| Input Voltage Range | 18 to 30 V DC; “0” state: -30 to +5 V DC, “1” state: 15 to 30 V DC |
| Input Current | 3 mA to 10 mA (6 mA at 24 V DC) |
| Response Time | 1 ms or less |
| Supply Voltage | 24 V DC |
| Total Power Consumption | 5 W or less (typical 1.8 W) |
| Isolation Voltage | 2500 V AC (channels to backplane) |
| Operating Temperature Range | -40 to 70 degrees Celsius |
| Maximum Field Cable Length | 600 meters |
Key Features:
- Group-wise electrical isolation with voltage monitoring for each 8-channel group, providing fault signals via module bus
- Fast response time to capture signal changes quickly, supporting emergency safety scenarios
- Low power consumption reduces system energy use and module heat generation, extending service life
- Input status LEDs for each channel, plus fault and run indicators for easy diagnostics
- Optional filter times (2, 4, 8, 16 ms) to adapt to different field signal conditions
Applications:
- Chemical, power, and metallurgy industrial process control systems
- Manufacturing production lines for equipment status monitoring and emergency stop signal collection
Related Models:
- ABB DI880 Digital Input Module
- ABB DI881 Digital Input Module
- ABB DI882 Digital Input Module