倍福buffermode使用

先上说明

Execute  The command is executed with a rising edge at input Execute. 
Position  Absolute target position to be used for positioning. 
Velocity  Maximum travel velocity (>0). 
Acceleration  Acceleration (≥0). If the value is 0, the standard acceleration from the axis configuration in the System Manager is used. 
Deceleration  Deceleration (≥0). If the value is 0, the standard deceleration from the axis configuration in the System Manager is used. 
Jerk  Jerk (≥0). If the value is 0, the standard jerk from the axis configuration in the System Manager is used. 
BufferMode  The BufferMode is analysed, if the axis is already executing another command. The running command can be aborted, or the new command becomes active after the running command. The BufferMode also determines the transition condition from the current to the next command.
If the command is passed to a slave axis just Buffermode Aborting can be used.
A second instance of a Move function block is required to use the BufferMode. It is not possible to trigger the same function block with different parameters as long as it is busy. 
Options  The data structure Option includes additional, rarely required parameters. The input can normally remain open.  

以上是输入参数，关键的BufferMode决定了先后两个command的执行顺序，经过两天测试终于测试成功。实现功能需要两个条件。

1.定义两个功能块

2.命名不同

以上作为个人记录，不喜勿喷。

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