ph_getupblevelrt PowerHome formula function
Description
Returns the level for the specified UPB device in realtime.
Syntax
ph_getupblevelrt ( id )
Argument Description
id String. The ID of the UPB device whose level you wish returned.
Return value
Integer. The level of the specified UPB device (0 thru 100) if successful.  Otherwise, these error values are returned:
 
 - 100  Could not find ID in database
 - 1  Controller not found
 - 2  Internal error
 - 3  Controller not connected
 - 4  Could not communicate with device
 
This function will actually query the specified UPB device in realtime waiting for the device to return its level.