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The Dynapar Resolvers series offers position and speed feedback in hard working conditions. These resolvers can handle very high temperatures, up to 200°C. They are resistant to big shocks (up to 200g) and shaking (up to 40g), so they fit well industrial spots where normal encoders might not work. A important piece of Resolver models is that they don't use brushes, so they don't need mechanical parts to switch the current. The resolvers give right and exact feedback, required for uses that call for exact control. Depending on the type, they can be accurate from +/-2 to +/-30 arc minutes. These resolvers are used in different industries such as, robotics, space travel, armed forces, factory work, oil and gas getting, and steel and paper factories. Because they are built strong and do their job well, they work well for helping servo motors, checking speed and place, moving wing parts in airplanes, and control systems in military motors on land. You can get them at different speeds, with strong protection from radiation, and stainless-steel covers.
Technical Specifications
Accuracy (arc-min)
7 (as specified in the resolver datasheet)
Frequency
2500 Hz (reported in the technical details)
Input Power (400 Hz / 2500 Hz)
0.14 W / 0.018 W
Input Voltage (vrms)
12.0 Vrms (data from the series specifications)
Maximum Input Current
3.1 mA (as per the resolver specification)
Output Voltage
6.0 ± 0.5 V
Phase Shift
-2° (from the technical table)
Rotor DC Resistance
76.1 ± 10% Ohms
Stator DC Resistance
197 ± 10% Ohms
Total Null Voltage
30 mV (as specified in the resolver specs)