Foxboro SY-1025120E/SY-60301060R 100% Brand New Module Low Price Today
Brand:
FoxboroItem No.:
SY-1025120E/SY-60301060RPayment:
T/T, Western Union, Credit CardProduct origin:
USAGoods_stock:
2Shipping port:
Xiamen, ChinaLead Time:
1-3 Working DaysCondition:
Brand New And OriginalWarranty:
12 MonthsCertificate:
COODescription:
PLC ModuleHigh Quality Foxboro SY-1025120E/SY-60301060R Module New In Stock
Introduction
Two independent measurements of the same process variable are monitored from separate field devices. When both transmitters are functioning properly, the Average of the two is used as the resultant controlling signal. Upon excessive deviation between the two measurements, or the failure of either one, control actions are prevented (blocked), and an operator alarm generated. In the event of a deviation, the operator may then select one of the two based on other plant corroborating data as the “more correct” signal by bypassing the offender. Automatic control can resume and maintenance can be performed on the bypassed signal without loss of runtime. Dual Transmitter Algorithms have been used for feedwater controls such as Feedwater Pump recirculation flows.
Two independent measurements of the same process variable are monitored from separate field devices. When both transmitters are functioning properly, the Average of the two is used as the resultant controlling signal. Upon excessive deviation between the two measurements, or the failure of either one, the control system automatically selects the signal that is closer to the arbiter, and an operator alarm is generated. Automatic control continues, uninterrupted. Maintenance can be performed on the offending signal without loss of runtime. Dual Transmitter Algorithms have been used for feedwater controls such as Steam Generator Feedwater Flow and Steam Generator Steam Flow.
Three independent measurements of the same process variable are monitored from separate field devices. When all are functioning properly, the Median of the three is used as the resultant controlling signal. Upon the failure of one signal, the control system automatically continues to select the Median value and automatic control continues, uninterrupted. Maintenance can be performed on the offending signal without loss of runtime. If one signal deviates significantly without failure, it is excluded from control by the Median selector.
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About Us
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We have been supporting many local and overseas factory automation industries.
Specializing in various types of module,boards, cards, processor, from basic to anti-corrosion, sensors from economy to high precision type.
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