FCP280 RH924YA | FOXBORO | Control Processor Module

Availability: In Stock

Estimated Lead Time: Usually Ships in 5 - 7 Working Days

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The backup unit's status is updated each time the primary unit passes a rollback point, enabling the backup unit to resume program execution from the last rollback point passed, should the primary unit fail due to error.

In order to minimize the amount of information involved in the update, the backup unit is updated only with the changes taking place since the latest rollback point.

Between rollback points, these changes that writes in the data memory, are stored in a log buffer in the backup unit. At a rollback point, the processor's total register contents are also written into the data memory, so that this information is also logged. Once the rollback point is established, the logged write operations are transferred to the backup unit's data memory.

The RAM included in the processor unit provides an automatic double inverted memory function for detection of arbitrary bit errors in the memory.

• All memory updates are written to both the primary memory and to the inverted memory in parallel.

• At every memory read cycle, the data from tho two memories is compared. 

140092 REV.23 M394863 / 140093 REV.05 M003535208

170947 REV.19 M941594

122967 REV.03 M940270

105060 REV.10 PCB CIRCUIT BOARD 

105062 REV07 REV06

105061 REV09

1395-B78-C4-P12-X1

1397-B050N

O-58706-21/0-58706-21

M003263059 155505 REV03 

KIT#154966 152503REV09

170174 170095REV03

40888-313-53 

40888-313-53

69739-9R

0-58706-22 

0-58773-B /SO-58773/99716-642

74102-588-51

802273-307T

0-58771

0-58775

154-A22NA

if you have a large purchase, we can make a discount.

specifications:

new+original +one year warranty