Danfoss VLT AutomationDrive FC 300 Instruction Manual

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Danfoss VLT AutomationDrive FC 300 Instruction Manual Manual pdf 46 page image

3.7.3 Motor Thermal ProtectionThe electronic thermal relay in the adjustable frequency drive has received UL-approval for single motor protection, when par. 1-90Motor ThermalProtectionis set forETR Trip and par. 1-24Motor Current is set to the rated motor current (see motor nameplate).For thermal motor protection, it is also possible to use the MCB 112 PTC thermistor card option. This card provides an ATEX certificate to protect motorsin explosion hazard areas, Zone 1/21 and Zone 2/22. Please refer to theDesign Guide for further information.3.7.4 How to Connect a PC to the Adjustable Frequency DriveTo control the adjustable frequency drive from a PC, install the MCT 10Set-up Software.The PC is connected via a standard (host/device) USB cable or via the RS485 interface as shown in the sectionBus Connection in the ProgrammingGuide.NOTE!The USB connection is galvanically isolated from thesupply voltage (PELV) and other high-voltage termi-nals. The USB connection is connected to protectionground on the adjustable frequency drive. Use onlyisolated laptop for PC connection to the USB connectoron the adjustable frequency drive.Figure 3.23: USB connection.3.7.5 The FC 300 PC softwareData storage in PC via MCT 10 Set-up Software:1. Connect a PC to the unit via the USB com port.2. Open MCT 10 Set-up Software3. Select the USB port in the “network” section.4. Choose “Copy”.5. Select the “project” section.6. Choose “Paste”.7. Choose “Save as”All parameters are now stored.Data transfer from PC to drive via MCT 10 Set-up Software:1. Connect a PC to the unit via the USB com port.2. Open MCT 10 Set-up software3. Choose “Open”– stored files will be shown.4. Open the appropriate file5. Choose “Write to drive”All parameters are now transferred to the drive.A separate manual for MCT 10 Set-up Software is available.3 How to InstallVLT® AutomationDrive FC 300 InstructionManual3-30 MG.33.AG.22 - VLT® is a registered Danfoss trademark3