Description

 

 

I/0 Card Redundancy 　　RedundantI0cardsare available forcritical aplications. 　　Thesamecardcanbeused in simplex or redundant 　　applications.When installed onatwo-wide redundant 　　terminal block, the cards are recognized as a redundant 　　pair by the controller. The controller scans each card and 　　determines which card is acting as the active interface. 　　When a fault is detected, the system automatically 　　switches to the standby I0 card. 　　DeltaV Control modules reference simplex and redundant 　　I/O channels identically and there is no special 　　configuration required to take advantage of redundancy. 　　Switchover of a redundant /0 card is completed within 　　two scans of the /O bus. Make-before break contacts 　　ensure digital field instruments remain powered and the 　　process is undisturbed. Analog output signals are briefly 　　driven by both cards for < 5 ms during switchover of the 　　card. 　　Hardware Alerts automatically report hardware integrity 　　errors for both the primary and secondary cards. Any 　　event that causes a switchover isalso reported 　　automaticallythroughthes ystem hardware alertsand is 　　logged in the EventChronicle.

 

 

Dalam saham:

Emerson.

KJ2003X1-BB1KJ400X1-CC1KJ4001X1-NB1ATCA-7150

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　　KJ3222X1-BA1KL4201X1-BA1PR6423 / 004-030A6210

KJ3244X1-BA1KJ3222X1-BA1PR9268 / 017-100Wh1-2ff

KJ1501X1-BC2KJ4001X1-CC1PR9268 / 301-000SLS1508

KJ2003X1-BA2KJ2201X1-BA1PR6423 / 015-010CE4003S2B1

KJ4001X1-CA1KJ2201X1-HA1Con02112p1870x022

KJ4001X1-CB1KJ2221X1-BA1A3120 / 022-00012p1878x032

KJ4001X1-CC1KJ4101X1-BA1A6312 / 0612p0818x072

KJ4001X1-CJ1KJ4110X1-EA1A6370DVe4003S2B1

KJ4001X1-NA1KJ3204X1-BA1A6500-UMDan sebagainya pada …

Deltav . Sistem Dual – Saluran Sistem Keselamatan Redundan, Pengawal Redundan, Modul Bekalan Kuasa, I / O Unit, Analog AI Modul, Analog AO Modul:

KJ1501X1-BA2 KJ1501X1-BB1 KJ1501X1-BC1 KJ1501X1-BC2

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