19
Data type
The data in the form of ASCII characters transmitted on the bus may have the following types:
Type
Meaning
Example
<NR1>
Integer
+800,-200,100
<NR2>
Decimal
+1.56,-0.001
<NR3>
Exponential floating
number
+2.04
-1.345678E-02
Rules of grammar
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
Symbol used in instruction
These marks are added in order to specify the command format, but are not part of the command.
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
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
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!
