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1 Introduction1.1 Using this guideDrive parameters are denoted in this manual by “#MM.PP”, where MM refersto the menu number, and PP refers to the parameter number within thatmenu. Please refer to the Unidrive and Mentor II manuals for parameterdefinitions.1.2 Unidrive – UD73The UD73 <strong>Profibus</strong>-<strong>DP</strong> Interface card for Unidrive is supplied in a large optionmodule. It is an add-on card for the UD70 Applications card. An 80C32processor and System Protocol Chip handle all network activity, and use aDual-Port RAM interface to transfer data between the 80C32 and the UD70.The UD70 retains full functionality, allowing the user to download normal <strong>DP</strong>Lapplication programs. No program modifications are required to allowexisting <strong>DP</strong>L programs to run. A different UD70 operating system file(IBSPROFI.SYS) is used, and the UD70 has this system file pre-loaded. TheUD70 also uses a <strong>DP</strong>RAM interface to transfer data to and from the Drive.UnidriveLarge option moduleUD70 Mother PCBUD73 <strong>Profibus</strong>-<strong>DP</strong> optioni960processor80C32SPCMemory1.5 MbaudRS485physical layerD sub D sub D sub D sub<strong>Profibus</strong> - <strong>DP</strong> connectors<strong>Profibus</strong>–<strong>DP</strong>Issue code: pbnu2 1
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