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L6482 データシート(PDF) 23 Page - STMicroelectronics |
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L6482 データシート(HTML) 23 Page - STMicroelectronics |
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23 / 73 page ![]() L6482 Functional description Doc ID 023768 Rev 2 23/73 Figure 8. Speed profile in infinite acceleration/deceleration mode 6.7 Motor control commands The L6482 can accept different types of commands: ● constant speed commands (Run, GoUntil, ReleaseSW) ● absolute positioning commands (GoTo, GoTo_DIR, GoHome, GoMark) ● motion commands (Move) ● stop commands (SoftStop, HardStop, SoftHiz, HardHiz). For detailed command descriptions refer to Section 9.2. 6.7.1 Constant speed commands A constant speed command produces a motion in order to reach and maintain a user- defined target speed starting from the programmed minimum speed (set in the MIN_SPEED register) and with the programmed acceleration/deceleration value (set in the ACC and DEC registers). A new constant speed command can be requested anytime. Figure 9. Constant speed command examples 6.7.2 Positioning commands An absolute positioning command produces a motion in order to reach a user-defined position that is sent to the device together with the command. The position can be reached SPEED Indexing mode Constant speed mode time Programmed number of microsteps time AM15038v1 Programmed maximum speed AM15039v1 SPD1 SPD2 SPD3 SPD4 Run(SPD2,FW) time Speed (step frequency) Run(SPD3,FW) Run(SPD1,FW) Run(SPD4,BW) Minimum speed Minimum speed |
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