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Sudden Movement Hazard
When you use a mechanical holding brake with the drive in a lifting application, you must close the brake if an input terminal triggers the Baseblock command to stop drive output.
If you enter the baseblock command, the motor will suddenly coast and the load will slip, which can cause serious injury or death.
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| Warning |
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Incorrect Operation
Yaskawa recommends that you use H1-xx = 9 [Baseblock Command (N.C.)].
If a circuit error occurs in the MFDI, the drive cannot stop the output when the terminal set to H1-xx = 8 [Baseblock Command (N.O.)] turns ON.
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The keypad flashes bb [Baseblock]. If you cancel the baseblock command when the Run command is active, the drive will restart the motor and use the speed search function.
Figure 1. Baseblock Command Time Chart
- ON
- Baseblock (drive output stop)
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- OFF
- Normal operation
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