The Compact Drive Solution

Powerful, compact and reduced to the essential – this is the drive amplifier SD2B by SIEB & MEYER. The provided control technologies allow for sensorless operation of synchronous and asynchronous motors with speeds of up to 120,000 rpm. Besides particular attention to the smallest possible motor heating the engineers considered the aspects of simple parameterization and robust operation throughout the development of the device. By means of the supplied PC software drivemaster2 the user can create parameter sets for asynchronous motors via V/f characteristic curve and for synchronous motors via basic data taken from the motor data sheet.

Low voltage spindles are often used in extremely compact machines. Thus, the available volume for built-in electronic components is quite small. SD2B features a design of only one PCB that permits direct integration of the drive amplifier into the customer‘s electrical construction.

The standard device comes with all interfaces required for the connection to a higher-ranking control, such as analog reference signals (+/- 10V), digital I/Os, RS232 and CAN bus. The wide range of input voltages allows for optimal adjustment to the supply voltage of the machine and to the specific rated voltage of the motor. In addition an external operating terminal can be connected. Optionally a version with parameterization via USB is available.


SD2B plus: New, Compact Design with IP20 Housing

The new SD2B plus frequency converter convinces with an IP20 housing with a reduced height of only 25 mm. The control with and without sensors allows motors to be operated speed-controlled or torque-controlled.

The safety matter is of course not neglected: The STO safety function is integrated as standard. The internal logic power supply, which is provided as standard, makes an external 24 VDC supply unnecessary.

Advantage for the customer: Low engine heating and cost savings as well as easy parameterization by means of the well-proven drivemaster2 PC software via USB interface.

A compact overview of the most important technical details can be found here


SD2B plus