Differences
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| parts:motors [2020/09/27 02:50] – created user | parts:motors [2020/09/27 03:43] (current) – ↷ Links adapted because of a move operation user | ||
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| - | ====== Motors | + | ====== Motors ====== |
| The robot has 7 DC gear motors which drive the different robot functions. The motors are casted in polyurethane in order to be protected from water. | The robot has 7 DC gear motors which drive the different robot functions. The motors are casted in polyurethane in order to be protected from water. | ||
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| The 220 rpm variant is used for the hose reel and robot wheels. The 70 rpm variant is used for the boom actuator, tower, telescope, arm and nozzle. Note that the boom actuator assembly should not be taken apart and the nozzle motor has a shorter axle than the other 70 rpm motors. | The 220 rpm variant is used for the hose reel and robot wheels. The 70 rpm variant is used for the boom actuator, tower, telescope, arm and nozzle. Note that the boom actuator assembly should not be taken apart and the nozzle motor has a shorter axle than the other 70 rpm motors. | ||
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| + | ===== Connector ===== | ||
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| + | In the motor connectors pin 1 and 2 are used for powering the motor, pin 3 is for pulse feedback and pin 4 is for [[parts: | ||
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| + | ===== PWM ===== | ||
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| + | The motor power and speed is controlled by the circuit board electronics by means of pulse with modulation (PWM). This means that the power to the motor is shopped over time. | ||
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| + | {{: | ||