Jetter JC-3 Series, Manual

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Jetter AG Controlling printer and serial interfaces | 4
Application-oriented manual – Control of alphanumeric HMIs (LCD) and printers 48
4.4 Outputting text strings
STX commands
To output text strings, use the following STX commands (STX functions):
■
DisplayText()
■
DisplayText2()
4.4.1 DisplayText() STX command
Declaration
Function DisplayText(Dev:Int,
Pos:Int,
Const Ref Text:String);
Parameter
Parameter Value Description
Dev 8 ... 11 Number of the device where to output
the text strings
Pos Not relevant Is not evaluated
Text Text string to be out-
put Hard-coded text, or name of a string
variable
Tab. 55:
DisplayText()
parameter
How to use this
command
Command-line syntax for outputting text strings to a printer module:
DisplayText( 8 , 0 , "Hello World!" );
DisplayText( 8 , 0 , StringVar);
Operating principle
The first command outputs text string 'Hello World!’ the printer module. The sec-
ond STX command outputs the content of the string variable StringVar.
The application program task stops at the
DisplayText()
command waiting for
the entire text to be output.
4.4.2 DisplayText2() STX command
Declaration
Function DisplayText2(Dev:Int,
Pos:Int,
Const Ref Text1:String)
Const Ref Text2:String);
Parameter
Parameter Value Description
Dev 8 ... 11 Number of the device where to output
the text strings
Pos Not relevant Is not evaluated
Text1 Text string to be out-
put Hard-coded text, or name of a string
variable
Text2 Text string to be out-
put Hard-coded text, or name of a string
variable
Tab. 56:
DisplayText2()
parameter