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18 - External units
Note that the list of external units is
not updated until you click on Exter-
nal units again in the menu. The sta-
tistics, on the other hand, are updated
every time you click on a header row.
If you have not dened any external
units, this page is empty. There is also
a View values tab on the external
units page in the Settings menu. This
tab lists the active units with the same
colour coding but without the values. You can see the values by click-
ing on a row.
You can indicate a telegram frequency for an external unit, but this
cannot be guaranteed. Communication may slow down if other units
stop working, for example, because the WMPro wastes time waiting
for responses that do not arrive.
18�5 Channel connections
There is a special tab for channel connections in Settings/External
units. You can use the tab to link a channel to an external unit. You can
either link an output to a parameter in the external unit or an input to
a value in the unit.
Click on any of the other 50 rows to display the Edit connection
dialog. Start by selecting the channel you want to connect and the
direction (input or output). A WMShare can only be connected as an
input. Next, select the unit you want to link to the channel, and then
choose the unit value or parameter.
If you are connecting the channel as an input, make sure you specify
what happens if contact is lost with the unit.
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