MELSECA: Writing a variable of type WSTRING overwrites two times the string length

• Related Articles

• The datatype WSTRING of the MODRTU32 Driver does consider the Byte order for STRING Option in the Settings tab of the MODRTU32 Driver. This Option (Byte order for STRING) should only be considered by variables of type STRING but not by variables of type WSTRING.

  Summary The datatype WSTRING of the MODRTU32 driver gets decoded wrong. The Setting Byte order for STRING in the Settings Tab of the MODRTU32 driver affects the representation of a WSTRING variable. As a result, when having Modbus Standard ...

• 3S_V3 Driver : The length of WSTRING variables is not considered during variable Import.

  Summary The length of a WSTRING variable is available in the Symbol file. During variable Online or Offline Import, the length is not considered and the WSTRING variable acquires the Default length "5" in zenon. The length of STRING variables is set ...

• When writing a string with more than 222 characters to a variable of type string of the STRATONNG driver, the STRATONNG driver stops working.

  Summary When writing either from the zenon runtime or zenon logic a string with more than 222 characters to a variable of type string of the STRATONNG driver, the STRATONNG driver stops working. DescriptionWhen writing either from the zenon runtime ...

• When writing string variables of MODRTU32 driver, the last char of a string is not sent by the MODRTU32 driver, when the length of the string is uneven.

  Summary The MODRTU32 driver does not send the last character of a string variable which length is uneven. E. g. writing the string "ABCDE" (5 characters -> uneven) results in the string "ABCD" in the slave. DescriptionThe MODRTU32 driver does not ...

• MELSECA driver: String variables show the value of the 1st (offset) string variable if displayed on the same screen

  Summary MELSECA driver: If string variables with consecutive addressing (offsets) are displayed on the same screen they all show the value of the 1st addressed (offset variable). On different screens the variables display the correct and respective ...