47 → festo.com/didactic Drive Technology and Motor Control > Training Packages > Servo Brake and Drive Systems Control Units for the Electric Machines of TP 1410 EduTrainer Field Rheostat The Field Rheostat allows the field voltage of motors and generators to be reduced if a set direct voltage is used. By connecting a variable resistor upstream, an exciter field can be set. The resistor is infinitely adjustable. All connection locations are standardized and are laid out as safety sockets. Technical data – Maximum input voltage: 230 V DC – Maximum load capacity: 100 W – Setting range 0 – 1.5 kΩ – Maximum current: 0 – 450 Ω, 0.5 A 450 – 1.5k Ω, 0.25 A – Front panel: 133 x 297 mm – For use in an A4 frame – Connection via 4 mm safety plugs – Through-feed for 3 x 400 V AC Order no. 8036772 DC Motor Power Supply The module provides electrical supplies for electrical machines where DC power is required. It provides a fixed 210 V DC power source and a variable DC power source from 0 to 240 V. The variable DC power source voltage can be easily adjusted using the front panel knob and digital display. A second front-panel knob allows the current to be limited for certain applications. Technical data – Input voltage: 3 AC/400 V/50 Hz – Fixed DC output: 210 V/8 A – Variable DC output: 0 – 240 V/6 A, short-circuit and overload protected – Peak current limit on the variable DC output: 0 – 10 A – Suitable for use in A4 mounting frames – Dimensions (H x W x D): 297 x 266 x 140 mm – Weight: 6.1 kg Order no. 8111319 EduTrainer Load Resistance The Load Resistance is used to load electrical machinery for use as generators or as starting resistors for slip ring rotors. It consists of a rheostat with an upstream protecting resistor. An additional fixed resistor can extend the load range. The rheostat is infinitely adjustable; the multi-level winding allows different maximum peak currents to be set as loads. The 3-phase rectifier allows the load resistance to be used as a load for alternating and 3-phase current sources. All connection locations are standardized and are laid out as safety sockets. Technical data – Maximum input voltage: 230 V DC, 3x 400 V AC – Load capacity: 500 W – Setting range: 1.8 – 1 kΩ – Maximum current: 1.8 – 30 Ω, 3.1 A 30 – 56 Ω, 1.8 A 56 – 140 Ω, 0.95 A 140 – 1 kΩ, 0.6 A – Protecting resistance: 1.8 Ω – Extension resistance: 1 kΩ/180 W – Front panel: 266 x 297 mm – For use in an A4 frame – Connection via 4 mm safety plugs – Through-feed for 3 x 400 V AC Order no. 8037136 Motor Switches The Motor Switches are designed for direct switch activation of electric machines. Equipped with on/off switch, polarity reversal switch and star/delta switch. All connection locations are standardized and are routed to safety sockets or system plugs. Technical data – Input voltage: 3 AC/400 V – Output voltage: 3 AC/400 V – Load capacity: Maximum 16 A – Front panel: 266 x 297 mm – Desk housing with rubber feet, also suitable for use in A4 mounting frames – Connection via 4 mm safety plug Order no. 576309
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