DI811 3BSE008508R1 ABB Digital Input Module
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DI811 Digital Input Module, 48 V, Current Sinking
Description
The DI811 is a 16-channel, 48 V digital input module for the S800 I/O. It offers 16 digital inputs with an input signal voltage range of 36 to 60 volts d.c., and an input current of 4 mA at 48 V. The inputs are divided into two individually isolated groups, each containing eight channels and one voltage supervision input.
Each input channel includes current-limiting components, EMC protection components, an input state indication LED, and an optical isolation barrier. The process voltage supervision input generates channel error signals if the voltage disappears, which can be read via the ModuleBus.
The input channels support digital filtering with selectable filter times of 2, 4, 8, and 16 ms. Noise pulses shorter than the filter time are filtered out, while pulses longer than 3, 6, 12, and 24 ms pass through the filter.
Features
- 16 channels for 48 V d.c. inputs with current sinking.
- 2 isolated groups of 8 with voltage supervision.
- Input status indicators.
Technical Data
DI811 Digital Input Module Specifications
| Feature | DI811 Digital Input Module |
|---|---|
| Number of channels | 16 (2 x 8), current sinking |
| Rated voltage (process power supply range) | 48 V d.c. (36 to 60 V d.c.) |
| Input signal voltage range, “1” | 30 to 60 V |
| Input signal voltage range, “0” | -60 to +10 V |
| Nominal input channel current | 4 mA @ 48 V d.c. |
| Input Current, “1” | >2.0 mA |
| Input Current, “0” | <0.5 mA |
| Input Impedance | 11 kΩ |
| Maximum field cable length | 600 meters (656 yd.) |
| Filter times (digital, selectable) | 2, 4, 8, 16 ms |
| Process voltage supervision | 2 channels (1 per group) |
| Current consumption 5 V (Modulebus) | 50 mA |
| Power dissipation (1) | 2.7 W |
| Isolation | Groupwise isolated from ground |
| Module termination units | TU810, TU812, TU814, TU818, TU830, TU833, TU838, or TU850 |
| MTU keying code | BD |
| Rated insulation voltage | 50 V |
| Dielectric test voltage | 500 V a.c. |