DI830 ABB digital input module
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Product’s description
The ABB DI830 is a digital input module designed for the S800 I/O family (distributed, modular I/O for process automation).It provides 16 channels of 24 V DC digital inputs (current‑sinking type).he module is divided
into 2 isolated groups of 8 channels each, each group having a voltage‑supervision input.It includes built‑in diagnostics and “Sequence of Event” (SOE) functionality: time‑stamped events for
input transitions.Input channels include current‑limiting, EMC protection, optical isolation, and individual status LED indication.Optionally (per system design) you can
set digital filter times (0‑100 ms) for inputs to ignore short pulses.It is designed to mount via the S800 I/O
system mechanic (termination modules, back‑plane ModuleBus, etc).
Frequently Asked Questions About DI830
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Q1: Does it have built‑in diagnostics?
A1: Yes. The module performs cyclic self‑diagnostics (for example process power supply supervision), and supports event recording (SOE functionality) including time‑stamp resolution of around 0.4 ms.
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Q2: What is SOE (Sequence of Events) and does this module support it?
A2: SOE is the ability to record the sequence and timing of input state changes. Yes — the DI830 module supports SOE (you can enable
it per channel). For example, it records both rising and falling edges, has an event queue, shutter filter capability,
and timestamp resolution ~0.4 ms.
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Q3: What kind of field wiring / cable length can I use?
A3: The spec mentions a maximum field cable length around 600 m for similar modules in the S800 family. While
the exact maximum may depend on velocities, cable type and installation environment,
this gives a basic guideline.
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