To answer your question your PC would be the master and the power meter the slave. You would need to set a Slave ID in your power meter though with Modbus TCP sometimes this is not implemented and IP addresses are used instead of slave IDs. Sometimes the server/client model is used in which case the power meter is your server, as it is serving the data (via a Modbus TCP Server), and the PC becomes the client. How far along are you in your application? Advanced Concepts Of Personal Training Lab Manual Answers more.

Modbus Protocol Specifications: http: //www. Modbus Master. This field is used for routing purpose when addressing a device on a MODBUS+ or MODBUS serial. MODBUS Serial Line protocol is a Master-Slave protocol. MODBUS over serial line specification and implementation guide V1.0 MODBUS.ORG.

It seems to me that it would be easier to make such a dashboard using the graphical views module of Mango, a DGLux dashboard (which would be the easiest, if your users dont mind running Flash) or a web interface using the API (maybe the hardest, but most future-proof). Otherwise you will have to reinvent the wheel, there is a lot of stuff under the hood of mango to make sure it keeps working. Autocad Lt 2010 Free Download Cracked here. Try using 3110 and and 3109 in your Java code then. Modbus4J is pretty 'smart' and probably makes such an adjustment for you. You might like to get a modbus scanning application and run it on your PC to verify that the data is where you think it is, Mango has such a tool built in so if you have already installed Mango I would suggest using that. Just set up a Modbus TCP data source and use the Modbus read data function which will return the registers in Hex: You can also try the 'point locator test', click the 'read' button and Mango will return the value it sees there. Modbus4J already does the 'subtract 40001' bit for you, so your colleague gave you a bit of misdirection there.