Easier drive installation with Lenze motec inverters

For lower power drives, typically up to 7.5kW, machine designers can choose their inverter drives either panel or motor mounted. By mounting the drive on the motor a decentralised solution is achieved which can save time and costs. The Lenze motec is a typical example available at rated powers 0.37 to 7.5kW either on its own or as a complete variable speed drive package with a geared motor. Although initial purchase costs are higher than panel mounted inverters, when the total costs of installation are included there are often savings.

Decentralised drives reduce costs for the machine builder in more ways than simply reducing the size of the panel. Power cables can be unscreened which significantly reduces their cost, and where several motors are mounted locally, cable runs can be reduced by looping the power from one inverter to the next. The Lenze motec comes with free software to speed commissioning. In operation a large status LED is visible from considerable distance and a port is available to plug in a diagnostic keypad.

The Lenze motec is highly flexible to adapt to individual machine requirements with IP65 enclosure, ambients up to 45ºC without de-rating, and fieldbus options from low cost AS- to real time EtherCAT and PROFINET. Wall mounting is possible and plug PR-GSS-Auto-warehouse connectors can be provided for faster fitting. Another option is Safe Torque Off to Category 4 and Performance Level e.

Users of the Lenze motec benefit from energy saving technology available with the design. VFCeco is a selectable software option that suits applications where the drive sometimes runs at partial loadings and here energy savings up to 30% are possible.
Variable speed drive packages can incorporate the Lenze MF motors based on 120Hz technology. These not only run more efficiently than IE2 standards motors but are physically smaller by up to 2 frame sizes.

Lenze motec decentralised drives are ideally suited to large machines such as found in logistics and process plant, or cases where panel mounting is undesirable such as pumps. The range is readily available on short lead times.

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