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The Altivar 71 range of variable speed drives is able to respond to the most exacting requirements thanks to its different types of motor control and numerous onboard functions. It is suitable for the most demanding drives: b Torque and speed accuracy at very low speeds, high dynamics with Flux Vector Control (with or without sensor) b Extended frequency range for high-speed motors b Connection of special motors and drives in parallel thanks to the voltage/frequency ratio b Static speed accuracy and energy savings for synchronous motors in open loop mode b Smooth flexibility for unbalanced machines with the ENA System (Energy Adaptation System) The functionality of the Altivar 71 drive boosts. | Variable speed drives Altivar 71 Catalogue March 05 For 3-phase asynchronous motors from 0.37 to 500 kW a brand of Schneider Electric Contents Variable speed drives for asynchronous motors Altivar 71 Selection guide.page 2 Presentation.page 2 Variable speed drives Characteristics.page 8 Operation.page 14 References.page 18 Options accessories.page 20 dialogue.page 26 encoder interface cards.page 29 I O extension cards.page 31 Controller Inside programmable card.page 39 communication buses and networks.page 46 resistance braking units .page 49 braking resistors.page 51 hoist resistors.page 53 network braking units.page 63 Reduction of current harmonics DC chokes.page 69 line chokes.page 72 passive filters.page 74 additional EMC input filters.page 78 Output filters motor chokes.page 82 sinus filters.page 85 Combinations of variable speed drives and options.page 86 Dimensions.page 90 Schemes.page 112 Motor starters.page 128 Mounting recommendations.page 132 Combinations of functions and applications.page 140 Functions.page 142 Compatibilty table for functions.page 174 PowerSuite software workshop.page 179 Ethernet TCP IP network.page 184 Communication via Fipio bus.page 188 Communication via Modbus bus.page 191 Communication via Modbus Plus bus.page 196 Communication via Uni-Telway bus.page 199 Communication gateways LUF P.page 201 Communication gateway LA9 P307.page 203 Schneider Electric worldwide.page 204 Product reference index.page 210 Tel em ecan ique
