Nanotec launches AS5918 series IP65 stepper motors with a magnetic 24V encoder and an optional brake

Feldkirchen/Munich, 14 April 2012 – Nanotec Electronic GmbH & Co. KG is introducing new models AS5918-EMN24 and AS5918-EMN24B, expanding its product portfolio by adding IP-rated stepper motors with an integrated, magnetic 24V encoder and, on the EMN24B model, an integrated brake.

The entire IP protection class-rated AS motor line from Nanotec Electronic stands out thanks to high positioning reliability in harsh environments and compact design. The two new AS5918-EMN24 and AS5918-EMN24B models from the renowned stepper motor and motor controller manufacturer distinguish themselves chiefly with their magnetic 24V encoder. The encoder was developed by Nanotec for integration into IP-protected motors. Magnetic encoders are less sensitive to vibrations, dust, dirt and humidity.

The encoder generates 1024 increments per revolution. Thanks to the 24V connection at the encoder, the motors are particularly well-suited for direct control via a PLC or a higher-level control system. Of course, they can be controlled using Nanotec controllers as well. The option with a safety brake (1 Nm of holding torque) is typically used wherever vertical loads have to be kept in place even during a power failure or an emergency stop in order to prevent damage to persons or property. This applies to Z-axes and other safety-critical applications.

Featuring a holding torque of 1.98 Nm, the AS5918-EMN24 and AS5918-EMN24B stepper motors are viable alternatives to servo motors with gearboxes in Torque Mode and Closed Loop at low speeds. This is because they are more compact and have greater energy efficiency – whether in machine building devices or other systems where operating in a harsh environment and precise positioning are crucial. The motors have a high degree of electromagnetic compatibility and feature M12 and M8 connections. With a flange dimension of 56 mm (NEMA 23), they are compatible with all Nanotec stepper motors and thus can be used in mixed environments.

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