Vega VEGAPULS 68 Operating Instructions Manual page 50

Maintenance and fault rectification
Checking Foundation Field-
bus
Fault messages via the indi-
cating/adjustment module
50
? When an additional instrument is connected, the H1
segment fails.
Max. supply current of the segment coupler exceeded
l
à Measure the current consumption, reduce size of
segment
? Measured value on the indicating and adjustment module
does not correspond to the value in the PLC
The menu item "Display - Display value" is not set to
l
"AI-Out"
à Check values and correct, if necessary
? Instrument does not appear during connection setup
Incorrect termination
l
à Check termination at the beginning and end points of
the bus and terminate, if necessary, according to the
specification
Instrument not connected to the segment
l
à Check and correct
In Ex applications, the regulations for the wiring of intrinsically
safe circuits must be observed.
? E013
no measured value available
l
à sensor in boot phase
à Sensor does not find an echo, e.g. due to faulty
installation or wrong parameter adjustment
? E017
Adjustment span too small
l
à Carry out a fresh adjustment and increase the distance
between min. and max. adjustment
? E036
no operable sensor software
l
à Carry out a software update or send the instrument for
repair
VEGAPULS 68 - Foundation Fieldbus