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Wiring the Inverter
3–16
975-0253-01-01
If the CANbus analyzer indicates your network is not operating properly, check
the following and then re-test the network.
•
Make sure the total Xanbus network length has not been exceeded. See
Table 3-2, “Total Xanbus Network Length” on page 3–12.
•
Make sure the network has only two terminators installed – one at each far
end of the network.
•
Make sure there are no long stub connections coming from a Xanbus 3-port T
connector (if any are used). Daisy chain network configuration is the optimal
configuration.
•
Make sure all cable sections are correct and not shorted anywhere.
Communications Wiring for Monitoring a Single Inverter
You can view GT Inverter operational data on a personal computer using the
Xantrex GT Solar Inverter Viewer (“GT-View”), which you can download free of
charge at
www.xantrex.com
.
To use GT-View, you must connect your computer’s serial port to the GT Inverter
RS-232 port (see Figure 3-10).
To connect your computer to the GT Inverter, you must use a serial DB9 “straight
through” cable.
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
communication ports 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
communication ports cover.
4. Replace the communication ports cover.
5. Plug the female end of the serial cable into your computer’s serial port. A
USB to DB9 converter (not supplied) may be required.
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.
www.xantrex.com.ua
Summary of Contents for GT 2.5-DE, GT 3.8-DE, GT 2.8-S
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