Endress+Hauser Deltabar S FMD 77, Brief Operating Instructions

Page: 19 / 40

Deltabar S PROFIBUS PA Operation
Hauser 19
The following table illustrates the symbols that can appear on the on-site display. Four symbols
can occur at one time.
Symbol Meaning
Alarm symbol
– Symbol flashing: warning, device continues measuring.
– Symbol permanently lit: error, device does not continue measuring.
Note: The alarm symbol may overlie the tendency symbol.
Lock symbol
The operation of the device is locked. Unlock device,  see Page 28, Section 4.5.
Communication symbol
Data transfer via communication
Square root symbol
Active measuring mode "Flow measurement"
The square root flow signal is used for the digital output value of the Analog Input Block OUT.
Tendency symbol (increasing)
The primary value of the Transducer Block is increasing.
Tendency symbol (decreasing)
The primary value of the Transducer Block is decreasing.
Tendency symbol (constant)
The primary value of the Transducer Block has remained constant over the past few minutes.