DI880 3BSE028586R1 ABB Digital Input Module
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DI880 High Integrity Digital Input Module
Description
The DI880 High Integrity Digital Input Module is TÜV certified for IEC 61508 SIL3 and EN 954-1 Category 4. The DI880 has 16 channels for 24 V d.c. digital inputs and sequence of events (SOE) handling capabilities. The sequence of events timestamp has a resolution of 1 ms for each input channel. Each input channel provides current limiting, EMC protection, input state LED indicator, and optical isolation from the ModuleBus. The input voltage range is 18 to 30 V d.c., and the input current is 7 mA at 24 V d.c. The module has advanced on-board diagnostics and can be used in both single and redundant configurations.
Features
- Channels: 16 channels for 24 V d.c. inputs with current sinking.
- Configuration: Redundant or single configuration.
- Isolation: 1 group of 16 isolated from ground.
- Indicators: Input status indicators.
- Diagnostics: Advanced on-board diagnostics.
- Sequence of Events (SOE): Yes, with 1 ms resolution.
- Sensor Supply: Current limited sensor supply per channel.
- Certification: Certified for SIL3 according to IEC 61508, and Category 4 according to EN 954-1.
Technical Data
| Feature | Specification |
|---|---|
| Number of channels | 16, current sinking |
| Rated voltage (Process power supply range) | 24 V d.c. (19.2 to 30 V) |
| Input voltage range, “1” | 11 to 30 V |
| Input voltage range, “0” | -30 to +5 V |
| Nominal input channel current | 7 mA @ 24 V d.c. |
| Input current, “1” | > 3 mA |
| Input current, “0” | < 1.5 mA |
| Input impedance | 3.1 kΩ |
| Maximum field cable length | 600 m (656 yd.) |
| Filter times (digital, selectable) | 0 to 127 ms |
| Shutter filter | |
| Shutter period | 1 - 255 s (default 0, means deactivated filter) |
| Shutter trigger | 1...255 changes (default 4) |
| Recovery time | 0 - 65535 s (default 0, means deactivated filter) |
| Event recording resolution | 1 ms |
| Sensor supply (per channel) | |
| Voltage | Process power supply (Upx) - max 4.2 V |
| Current | 32 mA, +/- 10% |
| Current consumption | |
| 5 V (Modulebus) | 125 mA (typ) 150 mA (max) |
| 24 V (process power supply, UPx) | 527 mA (max) (15 mA + sensor current) |
| Power dissipation | 2.4 W |
| Isolation | Yes, opto |
| Mounting termination units | TU810, TU812, TU814, TU818, TU830, TU833, TU842, TU843, and TU852 |
| MTU keying code | FF |
| Event recording accuracy | -0 ms / +1.3 ms |
| Rated insulation voltage | 50 V |
| Dielectric test voltage | 500 V a.c. |
| Dimensions(W*D*H) | Width45 mm (1.77”);Depth102 mm (4.01”), 111 mm (4.37”) including connector;Height119 mm (4.7”) |
| Weight | 0.15 kg (0.33 lbs.) |