To create this type of Topology Layout for your Green House Controller
After you have Hardwired your Installation, you must program the controller and the PC to communicate
FROM THE CONTROLLER
SystemSetup>Communication Setup>MODBUS
In Modbus settings
FROM THE PC
You will need this to input into your iControl settings
Contact Support to download your Software – LinkConn 100. Here are attachments that will provide a visual understanding of hardwiring your Equipment to the PC.
Driver for USB to Serial Cable
http://www.ftdichip.com/FTDrivers.htm
This link will show you how to install the driver from device manager
http://www.sevenforums.com/tutorials/97061-driver-install-device-manager.html