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FIRST TIME POWER-UP AND START-UP
5.3 INSTRUCTIONS FOR COMPUTER CONNECTION
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NOTE!
Always use shielded USB interconnect cable, “standard host/device shielded USB cable”.
Unshielded cables may lead to communication errors.
Recommended cables Samtec:
- USBC-AM-MB-B-B-S-1 (1 meter).
- USBC-AM-MB-B-B-S-2 (2 meters).
- USBC-AM-MB-B-B-S-3 (3 meters).
The USB connection is galvanically isolated from the mains power supply and from other high
voltages internal to the inverter. However, the USB connection is not isolated from the protective
ground (PE). Use an isolated notebook for the USB connection or a desktop connected to the same
protective ground (PE) of the inverter.
To control the motor speed and to view and program the inverter through a PC, it is necessary to install the WEG
WPS software, available at:
Basic procedure to transfer data from the PC to the inverter:
1. Install the WEG WPS software on your computer.
2. Connect the PC to the inverter via USB cable.
3. Start the WEG WPS.
4. Select “File
→
New Configuration” and follow the steps on the screen to make the connection.
For more details and other functions related to WEG WPS, including connection via RS-485 and Ethernet interfaces,
refer to the WEG WPS manual.
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Summary of Contents for CFW900
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