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VIoT 4-20mA Node

4-20mA Configuration

Input scaling and what's confirmed vs. pending engineering sign-off.

This is the functional core of the node, though it is documented in far less depth than the RS-485 Node's Modbus configuration — the catalogue confirms only that the device accepts a standard 4-20mA current input and is plug-and-play, without detailing how scaling, sampling rate, or alarm thresholds are set.

The node accepts a single 4-20mA current-loop input, is described as a plug-and-play analog device, and benefits from the excellent noise immunity inherent to current-loop signaling — a genuine advantage in electrically noisy industrial environments where voltage-based signals would be more susceptible to interference.

To be confirmed with engineering

How many 4-20mA channels a single node supports (the catalogue implies one input; if multiple channels are supported this should be stated explicitly, as it is a significant differentiator versus single-channel competitors), how the 4mA/20mA endpoints are scaled to engineering units, what sampling or reporting interval is used, and whether threshold-based alerting is available.

Input Type4-20mA current loop (confirmed)
Channel CountNot specified in current documentation — confirm with engineering
Scaling / UnitsNot specified — confirm how loop values map to engineering units
Reporting IntervalNot specified — confirm default and configurable range
Threshold AlertingNot specified — confirm whether supported
Configuration MethodAssumed remote via Cloud Dashboard, consistent with other VIoT Nodes — confirm