page 136
Function
TDM_REFRESH
Library TDM.LIB
Function symbol
Purpose
The function refreshes the current status of the pictures and
messages between controller and display.
Parameter
Function inputs
Function outputs, none
Description
The currently set plc pictures and messages are no longer
displayed e.g. after a power failure at the display. By calling
TDM_REFRESH the current status is transferred to the display
independent of TDM_PICTURE and TDM_MESSAGE.
This function does not have to, but should be integrated in the
application software. The use of this function relieves the
programmer from his job of permanently monitoring the unit
status and activating the plc pictures and messages by calling
them.
Name Data type Description
ENABLE BOOL TRUE: function is executed
FALSE: function is not executed
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