Communications Wiring for Multiple Inverters
The RS-232 connector on the GT is configured as follows:
•Pin 2: transmit
•Pin 3: received
•Pin 5: ground.
All other pins are unused.
To connect a single GT Inverter to a personal computer:1.With DC and AC power disconnected from the inverter, remove the comm port cover.
2.Plug the male end of the serial cable into the GT Inverter RS-232 port.
3.Pass the female end of the serial cable through the cable clamp on the comm port cover.
4.Replace the comm port cover.
5.Plug the female end of the serial cable into your computer’s serial port.
6.Restore DC and AC power to the inverter.
When power is restored to the GT Inverter, you can run GT-View on your computer to monitor the inverter’s operation.
Note: In multiple installations, GT-View monitors only the inverter to which the computer is connected. However, if the inverters are connected with a Xanbus cable, GT-View will display total system wattage and the accumulated daily energy produced by all inverters. To monitor multiple inverters, you require multiple DB9 cable connections (one per inverter) to your computer.
GT-View displays operational data such as power output in AC watts, lifetime energy produced, and inverter temperature. Data is updated every two seconds (default setting).
Figure 3-11GT-View Display
To configure GT-View, right click anywhere in the GT-View display and select Settings from the pop-up menu. The GT-View Options window will appear.