Whenever you need to talk with a ModBus device, take look at ModPoll. ModPoll runs on virtually any Platform and is able to talk over RS232, RS485 and TCP. The only drawback is that it can only read data (but not write).
The Advantech Adam 6015 has 7 input channels for use with Pt100 and others. You can configure the module using a proprietary Windows Software where you can set the type of thermocouple as well as the module’s IP address. Once the module is available on your network you can create a small bash script to retrieve the values. Continue reading »



