GE SR489-P5-LO-A20-E Relay protection device

Product introduction

GE SR489-P5-LO-A20-E Relay protection device

In the event of an external interrupt (i.e., int1, int2, int3), the SR489-P5-LO-A20-E will prevent the loss of any subsequent interrupt of the same type through the use of a dedicated FIFO for each interrupt type. The interrupt handler must execute a Read of the sender ID Register in order to allow the next interrupt of the same type to be sent to the BIM. An example is that an interrupt int1 has been sent across the link immediately followed by a second int1. The receiving node must determine that the SR489-P5-LO-A20-E has issued a int1 through the use of the resulting VME int level (0 through 7) and its vector. The second interrupt will remain in the int1 FIFO until the receiving node executes a Read of location 26 HEX which will allow the second interrupt int1 to be issued to the BIM. This method guarantees that all interrupts sent on the link will be serviced and the receiver knows the ID of the node which sent the interrupt it is currently servicing. Only one Read per interrupt is allowed, otherwise loss of subsequent interrupts may occur.

Product extension

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Superior products

Main products include DCS control system spare parts, PLC system spare parts and robot system spare parts,Advantage brands: Allen Bradley, BentlyNevada, ABB, Emerson Ovation, Honeywell DCS, Rockwell ICS Triplex, B&R, FOXBORO, Schneider PLC, GE Fanuc, Motorola, HIMA, TRICONEX, Prosoft and other imported industrial parts

parameter

Product Net Depth / Length:100mm

Product Net Height:330mm

Product Net Weight:1.50 kg

Product Net Width:455mm

Voltage:240V

Made To Order:No

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