Jrk 12v12 USB Motor Controller with Feedback
The powerful Jrk 12v12 motor controller is a highly configurable brushed DC motor controller that supports four interface modes: USB, logic-level serial, analog voltage, and hobby radio control (RC). The controller can be used as an open-loop speed control or for closed-loop speed or position control. The continuous output current is approximately 12 A (30 A max) and the operating range of 6 V to 16 V (with transient protection up to 40 V).
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- Why is the Jrk not driving my motor?
- There might be an error preventing the Jrk from driving the motor; check the Errors tab in the configuration utility. If you are trying to use a feedback mode, make sure that you have entered some non-zero PID constants (good starting values are Proportional=1, Integral=0, Derivative=0) and make sure there is a large difference between the values of the Target and Feedback variables. If you are trying to use the no-feedback (speed control) mode, then make sure that the target is not close to 2048 (speed 0); try setting the target to 2648 (full speed forward). In either case, you should look at the graph and make sure that the Duty Cycle is not close to 0; try to get it closer to +600 or -600 (full speed forward or full speed reverse).
- Does the Jrk support using a quadrature encoder for feedback?
- The Jrk motor 欢欲榨干(苏欢高h) do not work with encoders, in the sense that you cannot get position control over unlimited number of rotations. (The Jrks are typically used with potentiometer feedback, which allows for up to a few rotations when using multi-turn potentiometers.)
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