After opening an existing *.mbc file by selecting Menu>New , Menu>Open or by drag-n-drop a file onto the main window a new connection window is created.
Depending of the selected Modbus function 00, 01, 03, 04 the window elements varying.
Type of connection windows
Communication settings (TCP / UDP)
TCP/UDP - Please choose your correct connection settings TCP or UDP
IP addr - Please enter the IP-Addr to your device
Port Nr - Please enter the port number (502 is default)
Unit id - Please enter the correct unit id
After all settings are entered you can press Connect to initiate the connection. If successful the button changes to Disconnect .
Modbus parameters
00,01,03,04 - Please choose the desired Modbus function
•00 & 01 see Connection window (discrete)
•03 & 04 see Connection window (analog)
Address - Please enter the start address. Select Zero start addr if you want zero-based addresses. If not selected, the address will be decremented by 1.
Length - Please choose the number of register, coils or inputs
Read - Click this button to read data
Time - Select a entry or type a new time if you want automated readings. If Manual is selected you have to click Read by yourself.
Log / protocol field
This scrollable field holds the last read and write data. Entries starting with:
> are written to the device
< where read from the device
