Description
What is the analog option of the Multilin General Electric Transformer Protection System 745-W3-P5-G5-Hi-A Multi-processor Based Three Winding Relay?
The 745-W3-P5-G5-Hi-A Multilin transformer protection system has an option to include analog inputs and outputs as specified by the -A option within the part number. This analog input is of the DC mA type. The range on this option is programmable to be 0 to 1 mA, 0 – 5 mA, 0 – 20 mA, or 4 – 20 mA. The accuracy of this option is plus or minus one percentage of the full scale.
How does the 745-W3-P5-G5-Hi-A Multilin stand up in terms of environmental conditions?
In general, the 745-W3-P5-G5-Hi-A Multilin is designed to function within an operating temparature of anywhere from negative 40 degrees C to 60 degrees C. The storage temperature is slightly broader of a range. This transformer protection system can be stored in a climate of negative 40 degrees C and up to 80 degrees C. Operation is specified within a pollution degree of II and an altitude of 2000 m with up to 90% humidity that is non-condensing. The case of the unit is sealed with a provision seal that is made to be restrictive to dust in the air.
In the manufacturing industry characterized by changing geometric shape and mechanical properties and the process industry characterized by converting raw materials into products through physical and chemical changes, in addition to the feedback control dominated by continuous quantity, there are a large number of open loop sequential control dominated by switching quantity in the manufacturing industry, which performs sequential action number and sequential action according to logical conditions; In addition, the interlocking protection action is controlled according to the logic relationship independent of sequence and time sequence; As well as a large number of switching value, pulse quantity, timing, counter, analog quantity out of limit alarm and other state quantity based discrete quantity data acquisition monitoring. Because of these requirements of control and monitoring, PLC has developed into a product that mainly replaces relay circuit and carries out sequential control. Over the years of production practice, PLC, DCS and IPC have gradually formed a tripartite confrontation, and other single loop intelligent regulators have accounted for a certain percentage in the market.
SR745-W3-P5-G5-HI
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