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SIEMENS运动控制器/伺服驱动器

SIMOTION/S120——纯技术BLOG

 
 
 

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VSM用于S120 ALM booksize时的调试方法  

2015-06-12 14:55:56|  分类: S120 |  标签: |举报 |字号 订阅

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"How VSM handle voltage dip?"
From GH1 manual:
The Voltage Sensing Module VSM10 is a voltage sensing module that is used to sense the
actual value of a voltage. For example, it can be used to sense the three-phase line supply
voltage, which is then provided to the closed-loop control. The phase differential voltage can
be measured, either grounded (in the delivery state) or isolated. 

So, VSM cannot handle voltage dip. It is a sensor. It makes it faster to know the line voltage, and then a quick response to the voltage dip is possible.
Otherwise, the control unit need to calculate the voltage according to the DC link voltage firstly, and this cost time. So, a quick response to the voltage dip is impossible.

Commissioning for VSM :
* Use the configuration wizard of the Infeed in the STARTER/SIMOTION SCOUT/S7-T config software, and tick "VSM available".
* Or, use the "automatic configuration" online.
After that, you can check the parameter of line module: P3400.5 = ON to make sure the function is activated. The measured value is shown in r3661 and r3662.

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