Vega VEGABAR 53 Operating Instructions Manual page 37

Error messages via
PLICSCOM
VEGABAR 53 - Profibus PA
?
In Simatic S7 the measured value is always presented as 0
l
Only four bytes are consistently loaded in the PLC
à
Use function component SFC14 to load 5 bytes
consistently
?
Measured value on PLICSCOM does not correspond to the
PLC
l
PA-Out is not set in the menu "Display"
à
Set PA-Out in the menu item "Displayed value"
?
No connection between PLC and PA network
l
Incorrect adjustment of the bus parameter and the
segment coupler-dependent baud rate
à
Check data and correct, if necessary
?
Instrument does not appear during connection setup
l
Profibus DP cable pole-reversed
à
Check the cable and correct, if necessary
l
Incorrect termination
à
Check termination at the beginning and end points of
the bus and terminate, if necessary, acc. to the
specification
l
Instrument not connected to the segment, double
assignment of an address
à
Check and correct
In Ex applications, the regulations for the wiring of intrinsically
safe circuits must be observed.
?
E013
l
no measured value available
à
return instrument for repair
Fault message can come up if the pressure is higher than the nominal range
7)
Maintenance and fault rectification
7)
37