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Original instructions
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Original instructions
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Word
Symbol
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|---|---|---|---|
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%SW155
NBEXPLFIP
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Function
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Number of explicit exchanges on Fipio
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Initial State
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0
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Number of explicit exchanges currently being processed on Fipio, carried out by instructions (READ_STS, REA_PARAM, etc.).
Also takes into account the explicit exchanges carried out by requests (READ_IO_OBJECT, WRITE_IO_OBJECT, etc.)
Note: The number of explicit exchanges is always less than 24.
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%SW160 to %SW167
PREMRACK0 to PREMRACK7
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Function
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Operating status of the PLC modules
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Initial State
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0
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The words %SW160 to %SW167 are respectively associated with racks 0 to 7.
Bits 0 to 15 of each of these words are associated with the modules located in positions 0 to 15 of these racks.
The bit is set to 0 if the module is faulty, and set to 1 if the module is operating correctly.
Example: %SW163.5 = 0
The module located in slot 5 of rack 3 is faulty.
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