廈門鈦霓電氣有先公司
主營產(chǎn)品: 電工電氣,工控設(shè)備,PLC |
廈門鈦霓電氣有先公司
主營產(chǎn)品: 電工電氣,工控設(shè)備,PLC |
暫無信息 |
參考價 | 面議 |
1746-NO8I
1746-NO8I
3.2用于模擬量控制
模擬量,如電流、電壓、溫度、壓力等等,它的大小是連續(xù)變化的。工業(yè)生產(chǎn),特別是連續(xù)型生產(chǎn)過程,常要對這些物理量進行控制。
作為一種工業(yè)控制電子裝置,PLC若不能對這些量進行控制,那是一大不足。為此,各PLC廠家都在這方面進行大量的開發(fā)。目前,不僅大型、中型機可以進行模擬量控制,就是小型機,也能進行這樣的控制。
PLC進行模擬量控制,要配置有模擬量與數(shù)字量相互轉(zhuǎn)換的A/D、D/A單元。它也是I/O單元,不過是特殊的I/O單元。
A/D單元是把外電路的模擬量,轉(zhuǎn)換成數(shù)字量,然后送入PLC。D/A單元,是把PLC的數(shù)字量轉(zhuǎn)換成模擬量,再送給外電路。
備貨,備貨,降降降,火火火,火火火……
備貨,備貨,降降降,火火火,火火火……
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公司名稱:廈門泰尼電氣有限公司
:小廖(銷售代表)
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傳真號碼:(麻煩備注01008收)
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誠信經(jīng)營,質(zhì)量為首,誠信*,泰尼電氣小廖竭誠為您服務(wù)?。?!
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