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Download Technical Data - Ordering Data - MD 24-28
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Controllers for 2-phase step motors Features • High performance, low noise • Power supply up to 50 V DC (80 V DC)* • Output current up to 4.2 A (7.8 A)* • Automatic current reduction • Suitable for 2-phase and 4-phase stepper motors • Clock / direction interface • Input frequency for clock input up to 300 KHz • 15 (14)* selectable resolutions up to 25,600 steps/rev (51,200 steps/rev)* • Opto-isolated, TTL-compatible inputs • Protection against short-circuit, overvoltage and overcurrent* * MD 28 General The step motor drive modules MD24/MD28 are powerful final stages for 2-phase and 4-phase step motors. The modules are micro-step capable and thus allow very quiet running of the connected motors. Due to its particular chopper technology for the motor current, identical motors can deliver higher speeds and torques than conventional, comparable drive modules. The clocking/direction interface also allows simple connection to various motion controllers or a PLC. Technical specification Parameter Output current Mains voltage Current logic signals Clocking input frequency Insulation resistance Part no. Unit A VDC mA kHz MΩ Min. 1 20 7 0 500 MD 24 Typical 36 10 - Max. 4.2 (3.0 A rms) 50 16 300 MD 28 Typical 68 10 - Min. 2.8 24 7 0 500 316303 Max. 7.8 (5.6 A rms) 80 16 300 316304 Dimensioned drawings 4-R 17,5 MD 28 25,5 31 10 10 41 97 112 31,7 21,3 119 112 31 21,3 119 31,7 MD 24 4 2 17,5 2 4-R 4 13 48 41 97 25,5 13 48 Technical specifications subject to change. B14 Controllers ELECTRONICS C-15 electronics Drive modules MD 24/28