How the string pop-up keyboard works at runtime

With the Login dialog box
When the operator enters a string in the string pop-up keyboard and presses the
Enter
button:
  • The string is entered in the
    User
     or
    Password
     box.
  • The pop-up closes.
With the string input enable button
When the operator enters a string in the string pop-up keyboard and presses the
Enter
button:
  • If a fill character is configured for the string input enable button (on the
    General
    tab), and the operator enters fewer than the maximum number of input characters, the fill characters are placed after the string the operator enters.
    • Spaces have a hex value of 20.
    • Zeroes have a hex value of 30.
    • FF characters have a hex value of FF.
    • Null characters have hex value of 0.
      If the number of input characters is fewer than the tag length of the Value connection, the remaining spaces are padded with the null character.
  • The string is written to the Value connection. The first character is placed in the high order byte of the first word at the connection address, the second character is placed in the low order byte of the first word, and so on.
  • The pop-up closes.
  • If Enter key handshaking is set up for the string input enable button, the
    Enter
    connection is set to 1 and the handshaking timers begin timing.
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