Editing Setpoint signal
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− | + | Reference signal refers to a signal or command that will be used as target value in control systems. Typical occurrences of reference signals in GD procuts are: | |
− | + | * Position reference | |
− | * Position | + | * Veloicty reference |
− | * | + | * Torque reference |
− | * Torque | + | I.e. position reference value may be "1234" which could mean a target position of 1234 mm in some linear actuator. Or torque reference of 5 Nm would mean that motor is asked to produce 5 Nm torque. |
− | I.e. position | + | ==Physical reference signal types== |
− | ==Physical | + | In practice, reference signals may have several representations in real world including: |
− | + | * Analog voltage signal | |
− | * | + | * Pulse/direction signals |
− | * | + | |
* [[PWM]] signal | * [[PWM]] signal | ||
* Serial communication command | * Serial communication command | ||
− | In these cases there will be a conversion between input and output units. For example when using +/-10V as velocity | + | In these cases there will be a conversion between input and output units. For example when using +/-10V reference as velocity reference, the relation betveen types could be 1 Volt per 100 rpm (or any other scale). |
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