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GT panel instructions
GT_ActivateScreen
Function block to activate or change a specified GT screen from the PLC using the variables
Description
described in the table for data types.
see page 1327
PLC types
Data types
Input variable
wScreenNumber
tComTimeOut
Input/output variable
bDisableUserChange
bActivateScreen
dutGTBitArea
dutGTWordArea
Output variable
bError
In this example the function has been programmed in ladder diagram (LD) and structured text
Example
(ST).The same POU header is used for all programming languages.
POU header
All input and output variables used for programming this function have been declared in the POU
header.
1134
Control the GT panel screen
Data type
WORD
TIME
Data type
BOOL
GT_BasicComBitArea
GT_BasicComWordArea
Data type
BOOL
Function
Screen number
Communication timeout
Function
Disable screen change by touch operation on GT
Activate new screen
GT basic communication bit area
GT basic communication word area
Function
Turns on when the screen is not switched within
the communication timeout
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