產(chǎn)品介紹: A-B 1746-P1
控制網(wǎng)絡(luò)不同于通用計(jì)算機(jī)網(wǎng)絡(luò),與一般通信網(wǎng)絡(luò)比較,有如下特殊要求:
1.良好的實(shí)時(shí)性。為滿足過(guò)程控制中的實(shí)時(shí)性要求并對(duì)事故進(jìn)行及時(shí)處理,要求數(shù)據(jù)通信網(wǎng)絡(luò)必須具備良好的實(shí)時(shí)性,即在確定的時(shí)限內(nèi)完成信息傳送。這個(gè)時(shí)限是根據(jù)被控過(guò)程的實(shí)時(shí)性要求確定的,而且無(wú)論在何種情況下都有不得超過(guò)這個(gè)時(shí)限,這就要求在共用傳輸介質(zhì)時(shí),很好地解決信息在網(wǎng)絡(luò)上的碰撞問(wèn)題,以確保在任何通信負(fù)荷下都能滿足實(shí)時(shí)性要求。
【主營(yíng)】:PLC模塊,DCS卡件,ESD系統(tǒng)卡件,振動(dòng)監(jiān)測(cè)系統(tǒng)卡件,汽輪機(jī)控制系統(tǒng)模塊。
A-B 1746-P1
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〖Wuhan xiatong Automation〗
【】:歐陽(yáng)英
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手 機(jī):
★AB PLC,本特利Bently,ABB,GE,使用手冊(cè)
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★AB PLC,本特利Bently,ABB,GE,產(chǎn)品選型
★AB PLC,本特利Bently,ABB,GE,*
PLC模塊,DCS模塊,CPU模塊,IO模塊,DO模塊,AI模塊,DI模塊,網(wǎng)絡(luò)通信模塊,
以太網(wǎng)模塊,運(yùn)動(dòng)控制模塊,模擬量輸入模塊,模擬量輸出模塊,數(shù)字輸入模塊,數(shù)字輸出
模塊,冗余模塊,電源模塊,繼電器輸出模塊,繼電器輸入模塊,處理器模塊。
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ALLEN BRADLEY 1794-TB3S 1794TB3S NEW NIB
ALLEN BRADLEY 22-COMM-E 22COMME POWERFLEX ETHERNET
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ALLEN BRADLEY PANELVIEW 550 2711-T5A5L1 2711T5A5L1
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ALLEN BRADLEY 1784-PKTXD 1784-PKTXD SERIES B
ALLEN BRADLEY 1784-PKTX 1784-PKTX
ALLEN BRADLEY 1769-IQ16 1769IQ16 NEW NIB FS
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ALLEN BRADLEY 836T-T253JX15 836TT253JX15 NEW NIB SERIES...
ALLEN BRADLEY 1756-IF8 1756IF8
ALLEN BRADLEY 1756-L63 SERIES A 1756L63
ALLEN BRADLEY 1756-PA72 1756PA72 /B POWER SUPPLY
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ALLEN BRADLEY 22B-CCB 22BCCB NEW NIB
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ALLEN BRADLEY 1746-IB16 1746IB16 NEW NIB FS
ALLEN BRADLEY 800T-H4808A 800TH4808A NEW NIB SWITCH 2 P...
ALLEN BRADLEY SP-135769 SP135769 135769 NEW NIB
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ALLEN BRADLEY 800T-JG11A 800TJG11A NEW NIB