1783-US14T2S

1783-US14T2S

1783-US14T2S

　系统接地：PLC控制器为了与所控的各个设备同电位而接地，叫系统接地。接地电阻值不得大于4Ω，一般需将PLC设备系统地和控制柜内开关电源负端接在一起，作为控制系统地。

　　信号与屏蔽接地：一般要求信号线必须要有惟一的参考地即“单点接地”，屏蔽电缆遇到有可能产生传导干扰的场合，也要在就地或者控制室***接地，防止形成“地环路”。

　　信号源接地时，屏蔽层应在信号侧接地；不接地时，应在PLC侧接地；信号线中间有接头时，屏蔽

　　层应牢固连接并进行绝缘处理，一定要避免多点接地；多个测点信号的屏蔽双绞线与多芯对绞总屏蔽电缆连接时，各屏蔽层应相互连接好，并经绝缘处理，选择适当的接地处单点接点。

备货，备货，降降降，火火火，火火火……
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公司名称：厦门泰尼电气有限公司
联系人：小黄（销售代表）
联系电话：0592-6809319
传真号码：0592-6890859（麻烦备注01006收）
手机：18950191386
***号码:2917675397
邮箱：2917675397@***.com
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