Pulse Metering using ADAM-6051 units

We (at work) needed a quick and cheap solution for remotely collecting data (in pulses per 100L) from some gas volume meters so I built these two boxes. An Advantech ADAM-6051 unit in each box each reads and counts the pulses from two meters, and then the pulse count values (there are two pulse count channels per unit) are remotely read into a SCADA system using Modbus TCP.

I would not recommend the ADAM-6051 units. On paper they look good, but they can only be configured in Internet Explorer (using a very poor Java applet) and while the documentation for them is OK, the after-sales customer support is very poor.





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