上海璟略与Mecvel共同推出了可以调整限位的内置的紧凑型推杆Ali1和Ali-P，用于对安装空间特别小，对执行部件的行程又需要进行微调的工作场合。

     Ali1是“枪”型推杆，马达的安装的放向和推杆运行的方向是垂直，总长度大约是55毫米+行程
     Ali1-P是“线”型推杆， 也就是马达的安装的放向和推杆运行的方向是平行的，总长度大约是100毫米+行程

     在这两种的紧凑型推杆上，可以配置三种微型开关和一个增量型编码器， 对于三种微型开关，如图片，有三种
      A-F是推杆的前端限位开关，P-B是推杆的尾端的限位开关，I-M是推杆的中间位置的限位开关

      每一顺时针选择A-F和P-B按钮，则限位开关则向推杆前端头移动0.7mm.

      调整限位开关位置时，注意不能超过推杆规定的极限位置，具体的调整流程如下：

       1. Adjust P-B switch so that it is at its very end of the stroke, acting on the related screw 

       2. Adjust A-F switch until it reaches its very end of the stroke, acting on the related screw, and by that get back of about half a turn of the screw

       3. Retract the linear actuator until the P-B micro is actuated. This is the starting position for the stroke adjustment

       4. Drive the push rod out until the needed stroke is reached

        5. Place A-F switch here

        6. Perform a complete stroke and check its length

        7. Repeat steps 5 and 6 until the needed stroke is reached