FC-TSAI-1620M | Honeywell | Analog Input Module

FC-TSAI-1620M | Honeywell | Analog Input Module

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If the primary unit fails because of an error, the backup unit resumes execution from the last rollback point, which means the last execution unit is partially re-executed by the backup unit. In order to re-execute a portion of the execution unit without affecting the peripheral units (communication units on the CEX-Bus), the peripheral units' references are also logged between rollback points. During re-execution, the results of the peripheral units' references, which have already been executed, are used, rather than re-executing them. The results of read operations are retrieved from the log, and write operations pass without execution, since they have already been executed. The peripheral units' statuses, then, are not affected by the re execution in any way, except for the time delay which occurs.

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.

• If there is a mismatch in the data a changeover is forced.

IC693MDL742

IC693MDL640

HE693CBL150

IC697BEM713G

IC693ACC307A

IC660ELB905

IC694MDL740

IC693APU300

IC697MDL940

IC693CPU374-GP

IC200CHS002

IC693CHS399

IC693CPU323

IC694BEM340

IC693MDL310

IC693ALG222

IC693ALG220

IC693ALG221

IC697CMM742

IC693MDL240

IC693ALG223

75122-210-50K

In stock

1 year warranty

Original and new packing

Delivery with DHL 3 days after payment