During programming you can access an entry help screen allowing you to find out all the parameters of a communication function.
This help can be obtained from the Control Expert library functions.
The following illustration shows the entry help screen for the communication function READ_VAR.
NOTE: The number and type of fields vary according to the communication function selected.
This screen is available for the following communication functions:
-
DATA_EXCH
-
INPUT_CHAR
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OUT_IN_CHAR
-
PRINT_CHAR
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READ_VAR
-
SEND_REQ
-
SEND_TLG
-
WRITE_VAR
