Data type The data in the form of ASCII characters transmitted on the bus may have the following types: Rules of grammar Symbol used in instruction These marks are added in order to specify the command format, but are not part of the command. Abbreviations and capitalization:
1) The command has full format and abbreviated format, in the following descriptions of the command, capitalization represents abbreviation, and the abbreviated command has the same effect with the complete command; 2) Abbreviations are generally expressed by four letters of the complete command, the random abbreviation which does not appear in the command table will be considered as the wrong command; 3) There is no difference regarding capitalization for ASCII command actually transmitted on the bus and the letters of parameter. Error code 19 Type Meaning Example Integer +800,-200,100 Decimal +1.56,-0.001 Exponential floating number +2.345678E+04 -1.345678E-02 Notation Definition :
Colon, enter the next level of the command ; Semicolon, the same level of command * Asterisk, public command , Comma, multi-parameter separator ? Question mark indicates the query Spacing, separating commands and parameters “ ” Quotes for quoted part Marks Definition [ ] The optional command parameters are given in the square brackets | Division mark—to select one from many The definition of the variable parameter is given or the variable parameters listed in the angle brackets ( ) Interpretation which is not seen in the actual command Code Content Definition E10 Unknown Command! Unknown Command! E11 Parameter Error! Parameter Error! E12 Syntax Error! Syntax Error! E13 Data Not Ready!
Data Not Ready!