6. Function blocks
6.1 Manufacturer function blocks
Text display tab
The parameters for the text display function block can be configured in the Text dis-
play parameters tab. Before you can configure a specific function block (e.g., D02),
you will need to select it in the Programming view. If it is the first time you are con-
figuring the function block, the configuration dialog box will show an empty text dis-
play consisting of 6 lines with 16 characters each.
Fig. 222: Text display parameters tab for text display function block in the Programming view
Display priority
If multiple text displays from D01 through D32 are enabled simultaneously, the display
priority will be used to determine the order in which they will be displayed on the
easyE4 device display. The text display with display priority 001 will have the highest
priority, while the text display with 032 will have the lowest priority. The text display
with the highest priority will be displayed as long as it is enabled (EN=1). The text dis-
play with the next highest priority will not be displayed until the function block input
of the previous text display is disabled (EN=0). If multiple text function blocks with the
same priority are enabled, the corresponding texts will be displayed in a rolling pat-
tern based on the rolling time Moreover, when a text display with an alarm becomes
enabled, it will be displayed on the device display immediately. (Please refer to the
Alarm parameter as well.)
Rolling time [s]
The rolling time parameter is used to specify how long text displays that have the
exact same display priority will be displayed on the device display. In order for this
parameter to do something, multiple text displays must be enabled simultaneously
(EN=1). Please note that the rolling time is specified in seconds. Moreover, when a
text display with an alarm becomes enabled, it will be displayed on the device display
immediately. (Please refer to the Alarm parameter as well.)
Alarm
If this checkbox is enabled, the corresponding text display will be displayed with
absolute priority until the device operator acknowledges the alarm via a rising edge
at input AI. This function is only effective for visible function blocks
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