Monitor levels with the Web-IO Analog-In

Gather, monitor and archive analog measurement values over the Internet/Intranet. The Web-IO Analog lets you access analog current and voltage signals over Ethernet. Depending on the model the devices monitor and set 0/4-20mA or 0-10V signals per DIN IEC 60381-1 And -2.

Application example, how does it work: 

Definition of tasks:

In a production environment a tank is used for delivering raw material. Unfortunately there were always delays in the production sequence, since when the tank was empty the machine no longer ran and no one was alerted about this condition.

The company sought an easily retrofittable solution for motoring the level of the tank and
informing the production manager via e-mail when the level was too low.

The solution:

The EDP service provider, who had already networked the production machine, recognized immediately
that the already existing network infrastructure could be used to send the alarm message directly to the internal mail server
using the Web-IO Analog-In.

Details:

  1. The level indicator for the tank was connected to the 0…20mA interface of the Web-IO Analog-In using a measuring transducer.
  2. The Web-IO Analog-In was connected to an available Ethernet port and provided with power.
  3. An IP address was assigned to the Web-IO Analog-In.
  4. The browser was used to configure the Web-IO Analog-In so that an e-mail to the e-mail account of the production manager is sent when the level reaches a critical status.

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Further practical examples:

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