1794ACN15

上海翊霈工業(yè)控制設(shè)備有限公司優(yōu)勢供應(yīng)國外

為使plc能可靠工作，在硬件與軟件兩個方面plc廠家都采取了很多措施,，對一些特殊可靠要求的plc,，還有相應(yīng)的特殊的措施，如熱備,、冗余等等,。這在介紹plc的特點時已作了敘述?？煽看胧┑哪康氖窃黾觩lc平均故障間隔時間,、mtbf（meantimebetweenfailure）及減少plc的平均修復(fù)時間、mttr（meantimetorepair）,，以提高plc的有效度a（availability）,。 

siemens,simodrive 6sn1145-1aa01-0aa1,sinumetik 840d ncu-box 6fc5247-0aa00- #7

siemens 6av6 644-0ab01-2ax0 15" color touch screen operator panel

siemens 6av7-614-0ab12-0bj0 uspp 6av76140ab120bj0

2 new siemens pure 5mi bte ric beige hearing aids + minitek

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1794ACN15

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