1）232 方式 ，通过一个选件6SE6400-1PC00-0AA0 来连接电脑232端口，常用，方便；

     2）通过变频器端子上的485接口再转接为232，然后与电脑232端口连接；

     3）通过Profibus,这时变频器和电脑都需要加Profibus选件。

     按照你目前所具备的软硬件情况，我觉得采用方式2。
 
     这时需注意一点：要选用带光电隔离的232-485转换器，否则要保证电脑的零电势与变频器的零电势为同一电势，然后再按照下述步骤操作——

     1）做一根连接笔记本串口和mm440串口的数据通讯线（说明书上有引脚接法）；
     2）然后在笔记本上安装好drivemonitor软件；
     3）打开drivemonitor软件，设置好on line参数如：COM口及通讯波特率。注意通讯波特率应该设置得和mm440中一致。

＆ 公司全称  ： 厦门泰尼电气有限公司

＆ 销售代表  ： 小黄

＆ 洽谈电话  ：   

＆手机：18950191386

＆ 商务 QQ   ：  2917675397

＆ 传真（FAX)：   （请注明，01006收）

＆ 公司地址  ：  厦门市海沧区海沧街道滨湖一里7号

＆ 公司网址  ：  www.xmtaini.com

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