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| 型號(hào)： | AMIS-30623AAGA |
| 英文描述： | LIN Microstepping Motordriver |
| 中文描述： | 林微步Motordriver |
| 文件頁(yè)數(shù)： | 19/67頁(yè) |
| 文件大?。?/td> | 1444K |
| 代理商： | AMIS-30623AAGA |
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AMIS-30623 LIN Microstepping Motordriver
Data Sheet
19
15.1.2. Dual Positioning
A
SetDualPosition
command allows the user to perform a positioning using two different velocities. The first motion is done with the
specified
Vmin
and
Vmax
velocities in the
SetDualPosition
command, with the acceleration (deceleration) parameter already in
RAM, to a position
Pos1[15:0]
also specified in
SetDualPosition
.
Then a second relative motion to a position
Pos1[15:0]
+
Pos2[15:0]
is done at the specified
Vmin
velocity in the
SetDualPosition
command (no acceleration). Once the second motion is achieved, the
ActPos
register is reset to zero, whereas
TagPos
register is not changed.
Velocity
Vmax
Vmin
1
st
motion
time
Reset ActPos
2
nd
motion
26.6 ms
26.6 ms
Figure 9:Dual Positioning
Remark
: This operation cannot be interrupted or influenced by any further command unless the occurrence of the conditions driving to
a
motor shutdown
or by a
HardStop
command. Sending a
SetDualPosition
command while a motion is already ongoing is not
recommended.
Notes
(0) The
priority encoder
is describing the management of states and commands. All notes below are to be considered illustrative.
(1) The last SetPosition(Short) command issued during an DualPosition sequence will be kept in memory and executed afterwards. This applies also for the commands Sleep
and SetMotorParam and GotoSecurePosition.
(2) Commands such as GetActualPos or GetStatus will be executed while a Dual Positioning is running. This applies also for a dynamic
ID assignmen
t LIN frame
(3) A DualPosition sequence starts by setting TagPos register to SecPos value, provided secure position is enabled otherwise TagPos is reset to zero.
(4) The acceleration/deceleration value applied during a DualPosition sequence is the one stored in RAM before the
SetDualPosition
command is sent. The same
applies for Shaft bit, but not for Irun, Ihold and StepMode, which can be changed during the Dual Positioning sequence.
(5) The Pos1, Pos2, Vmax and Vmin values programmed in a
SetDualPosition
command apply only for this sequence. All further positioning will use the parameters
stored in RAM (programmed for instance by a former SetMotorParam command).
(6) Commands ResetPosition, SetDualPosition, and SoftStop will be ignored while a DualPosition sequence is ongoing, and will not be executed afterwards.
(7) A SetMotorParam command should not be sent during a
SetDualPosition
sequence.
(8) If for some reason ActPos equals Pos1[15:0] at the moment the
SetDualPosition
command is issued, the circuit will enter in deadlock state. Therefore, the application
should check the actual position by a GetPosition or a
GetFullStatus
command prior to send the
SetDualPosition
command.
15.1.3. Position Periodicity
Depending on the stepping mode the position can range from –4096 to +4095 in half-step to –32768 to +32767 in 1/16
th
microstepping
mode. One can project all these positions lying on a circle. When executing the command
SetPosition,
the position controller will
set the movement direction in such a way that the traveled distance is minimum.
The figure below illustrates that the moving direction going from
ActPos
= +30000 to
TagPos
= –30000 is clockwise.
If a counter clockwise motion is required in this example, several consecutive
SetPosition
commands can be used. One could also
use for larger movements the command <
RunVelocity>
.
0
ActPos = +30000
TagPos = -30000
-10000
-20000
+10000
+20000
Motion direction
Figure 10: Motion Direction is Function of Difference between ActPos and TagPos
AMI Semiconductor
– June 2006, Rev 3.0
www.amis.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AMIS-30623AANA | LIN Microstepping Motordriver |
| AMIS-30623BAGA | LIN Microstepping Motordriver |
| AMIS-30623BANA | LIN Microstepping Motordriver |
| AMIS-30624 | I2C Microstepping Motordriver |
| AMIS-30624PGA | I2C Microstepping Motordriver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS-30623AANA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS-30623BAGA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS-30623BANA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Microstepping Motordriver |
| AMIS30623C6238G | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| AMIS30623C6238RG | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 LIN STEPPER DRIVER STALL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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