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Variant "Read" b) Read product data (base product + product code)

Variable Data type Description Direction
Read* BOOL This variable sets PLC when new data is available and PLC sets it back to FALSE From PLC to MES
Read* BOOL This variable describes MES with TRUE, if the data was stored in the database. MES resets it to FALSE From MES to PLC
Product ID* STRING The generated database GUID is passed from MES to PLC, so that the measured values can be assigned faster From MES to PLC
Product Code* STRING The generated product code is set by PLC for MES From PLC to MES
Product* STRING The product is set by PLC for MES From PLC to MES
Measured value 1..N miscellaneous The measured values or states of the produced part can be evaluated by the PLC in various data formats From MES to PLC

  • Section 1:
    • {Product} is set by PLC at least 300ms before {Read}.
    • {product code} is set by PLC at least 300ms before {read}
  • Section 2:
    • {Read} is set by PLC
  • Section 3:
    • {Product ID} is set by MES
    • {measured values 1..N} are optionally set by MES
  • Section 4:
    • {Read} is set by MES.
  • Section 5:
    • {Read} is reset by PLC (Reason: rising edge {Read}).
    • {Product} is reset by PLC (Reason: rising edge {Read})
    • {Product code} is reset by PLC (Reason: rising edge {Read})
  • Section 6:
    • {Read} is reset by MES (Reason: falling edge of {Read})
    • {Product ID} is reset by MES (Reason: falling edge of {Read})
    • {Measured values 1..N} are reset by MES (Reason: falling edge of {Read})