[精品]atv31c_installing_manual_en_v2.pdf

Altivar 31C Installation manual Wall-fixing variable speed drives for asynchronous motors Contents Drive references ______________________________________________________________________________________________ 2 Mounting____________________________________________________________________________________________________ 3 Wiring ______________________________________________________________________________________________________ 5 NOTE: Please also refer to the Programming Manual. When the drive is powered up, the power components and some of the control components are connected to the line supply. It is extremely dangerous to touch them. The drive cover must be kept closed. In general, the drive power supply must be disconnected before any operation on either the electrical or mechanical parts of the installation or machine. After the ALTIVAR has been switched off and the display has disappeared completely, wait for 10 minutes before working on the equipment. This is the time required for the capacitors to discharge. The motor can be stopped during operation by inhibiting start commands or the speed reference while the drive remains powered up. If personnel safety requires prevention of sudden restarts, this electronic locking system is not sufficient: fit a cut-off on the power circuit.. The drive is fitted with safety devices which, in the event of a fault, can shut down th