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How to connect HWg WLD to a HWg-SMS-GW3 gateway

In addition to sending a SMS alert, the HWg SMS gateway can alert the recipient by dialing a call to the same number and letting it ring for a short time. This is a description how to connect HWg-WLD to the HWg-SMS-GW3. HWg-WLD detects water leaks or water floods along the entire length of the sensing cable. By placing the cable near possible flood sources, the whole area can be effectively monitored.

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How to connect HWg WLD to a HWg-SMS-GW3 gateway
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How to send SMS via HWg-SMS-GW3

HWg-SMS-GW3 is a SMS gateway for sending text message alarms over a LAN. HWg-SMS-GW3 is primarily intended for use with HW group products and software. However, its communication interfaces are sufficiently documented for use with third-party systems. This Application Note shows how to use HWg-SMS-GW3 in such third-party systems.

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HWg-SMS-GW3 is primarily intended for use with HW group products and software. However, its communication interfaces are sufficiently documented for use with third-party systems. This Application Note shows how to use HWg-SMS-GW3 in such third-party.

Selecting M-BUS communication type (displaying multiple values from a meter)

The M-BUS is designed for low consumption, and for this reason allows to query device values using different requests. The issue is that some meters respond to a “Basic” request only with the total consumption values; another request type (REQ_UD1, SND_OUD or other) must be used to display more readings, such as the immediate consumption, flow, etc. To this end, HWg-PWR allows to add another meter with the same secondary address. A hidden option is used to activate these advanced request settings.

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Activation of an extended M-Bus communication mode using a hidden option.

Sensor accuracy over time

All sensors – temperature, humidity, voltage and others are getting old through time and their parameters are changed. This is caused by aging of material but also environment as dust, grease etc. can have impact on this. For this reason there might be measurement inaccuracies which HW group s.r.o. as manufacturer cannot affect. Therefore it is necessary to be aware of these inaccuracies and count with them. To prevent this there can be done calibration process in shorter intervals. This document describes dangerous environments for temperature and especially humidity sensors.

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All sensors – temperature, humidity, voltage and others are getting old through time and their parameters are changed. This document describes dangerous environments for temperature and especially humidity sensors.

Poseidon & Damocles Installation Wizard

Installation Wizard simplifies the use of Poseidon and Damocles products in your applications. Simply call the wizard from within your application to add, remove or configure a Poseidon or Damocles unit.

Features: 
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  • Quick and easy way to add support for our products to your application
  • Visual look-and-feel matches the Poseidon and Damocles style
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