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LD Language Elements
SR2MAN01 11/2007 139
Used as a Coil Two coils are associated with each Text block:
z Display Activation coil,
z Display Deactivation coil.
The use of these coils is described below.
Display Activation
Symbol of the Display Activation coil of a Text function block:
This coil displays on the screen the text and/or the values of the associated Text
block when the contacts that are connected are conducting.
Display deactivation
Symbol of the Display Deactivation coil of a Text function block:
This coil deactivates the display of the text and/or the values of the associated Text
block when the contacts that are connected are conducting. The display returns to
the inputs-outputs screen.
Example:
Activation of input I1 displays the text on the LCD. Activating input I2 makes the text
disappear.
Parametering The Text function blocks are only programmable from the programming software,
see the on-line help for the programming software for more information.
TX -
RX -
I1
TX1
I2
RX1