Mohamad - 2012-03-24

Hi all,
I am new to such development and i am wondering if i can get some help arround. i've read and downloaded the advanced HMI and see some tutorial video where it sounds easy to read data from PLC by identifying the PLCaddressvalue in the properties. Actually i have a LOVATO RGK controller that monitor and control genset, it supports modbus protocol and it is connected thru moxa router, in its manual the registers address are hexadecimal, I am wondering if i can create and HMI to this device? if yes please if there is anyway to help about how to read the register and how to write on the controller registers.
Thank you in advance for any any kind of support.