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node-threshold-control

v0.0.8

Published

Treshold control

Downloads

51

Readme

Platform NPM Known Vulnerabilities Downloads Total Downloads Package Quality Open Issues Closed Issues

Threshold control

With the treshold control you can enable or disable a delayed output when the input passes the on or off threshold.

Threshold control

Configuration

There are a few values that need configuration before the node can be used:

  • On payload - The msg.payload to send when the on threshold get passed (and the counter reaches zero).
  • Off payload - The msg.payload to send when the off threshold get passed (and the counter reaches zero).
  • On threshold - As soon as this threshold gets passed by msg.payload, the onDelay counter counts down to zero. If that hass passed, a "on" msg.payload gets send to the first output._
  • Off threshold - As soon as this threshold gets passed by msg.payload, the offDelay counter counts down to zero. If that hass passed, a "off" msg.payload gets send to the first output.
  • On delay - the delay in seconds that is waited before the output gets send after the input passes the on threshold.
  • Off delay - the delay in seconds that is waited before the output gets send after the input passes the off threshold.

The on threshold should be higher than the off threshold.

Note that the delay is in whole seconds. It rounds it to the nearest integer when input is not in whole seconds.

Input

By default the node listens to msg.payload as input.

It also listens to different messages, which can change the configured values:

  • msg.onThreshold - The on threshold
  • msg.offThreshold - The off threshold
  • msg.onDelay - The on delay in seconds
  • msg.offDelay - The off delay in seconds

Outputs

There are three outputs. The first one just gives "on" or "off" (after the delay has passed).

The second output gives the state of the counter for the on delay.

The third output gives the state of the couter for the off delay.

Both second and third outputs also publish a msg.blink that is 0 or 1 when the counter is even or odd.

Status

The status node tries to show the current state. It can turn red on wrong input and on the "off" state, green on the "on" state and yellow when the on or off counter is running.

When you do a fresh deploy and then inject values within the hysteresis region (between on and off thresholds) the Node status will be displayed as "unknown" with a blue dot.