運(yùn)動(dòng)控制器的優(yōu)缺點(diǎn)
運(yùn)動(dòng)控制器的優(yōu)點(diǎn):
(1)硬件組成簡單,把運(yùn)動(dòng)控制器插入PC總線,連接信號線就可組成系統(tǒng);
(2)可以使用PC機(jī)已經(jīng)具有的豐富軟件進(jìn)行開發(fā);
(3)運(yùn)動(dòng)控制軟件的代碼通用性和可移植性較好;
(4)可以進(jìn)行開發(fā)工作的工程人員較多,不需要太多工作,就可以進(jìn)行開發(fā)。
運(yùn)動(dòng)控制器的缺點(diǎn):
(1)采用板卡結(jié)構(gòu)的運(yùn)動(dòng)控制器采用金手指連接,單邊固定,在多數(shù)環(huán)境較差的工業(yè)現(xiàn)場(振動(dòng)、粉塵、油污嚴(yán)重),不適宜長期工作。
(2)PC資源浪費(fèi)。由于PC的捆綁方式銷售,用戶實(shí)際上僅使用少部分PC資源,未使用的PC資源不但造成閑置和浪費(fèi),還帶來維護(hù)上的麻煩。
(3)整體可靠性難以保證,由于PC選擇可以是工控機(jī),也可以是商用機(jī)。系統(tǒng)集成后,可靠性差異很大,并不是由運(yùn)動(dòng)控制器能保證的。
(4)難以突出行業(yè)特點(diǎn)。
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