廈門泰尼電氣有限公司
主營產品: AB模塊PLC |
廈門泰尼電氣有限公司
主營產品: AB模塊PLC |
參考價 | 面議 |
140XBP00400---140XBP00400
140XBP00400---140XBP00400
接地干擾
變頻器的接地應與PLC控制回路單獨接地,在不能夠保證單獨接地的情況下,模擬量信號線的屏蔽線可以浮空,但變頻器一定要保證可靠接地。接地線不作為信號的通路使用,要盡量減少接地端子引接點的電阻。(http://www.diangon。。com版權所有)接地電阻100Ω以下,多臺變頻器的,接地線不要形成回路,設置兩個以上接地點,接地處會產生電位差,產生干擾。必要時將變頻器(PLC)放入鐵箱內進行電波屏蔽,屏蔽用的鐵箱要接地。:張亮(工程師) 專線:
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