VEGA VEGASON 62 Profibus PA - Manual (Page 37)

37
8 Maintenance and fault rectification
VEGASON 62 • Profibus PA
28785-EN-130417
Error Cause Rectification
Measured val-
ue on the display
and adjustment
module does not
correspond to the
value in the PLC
The menu item
"Display - Display
value" is not set to
"PA-Out"
Check values and correct, if neces-
sary
No connection be-
tween PLC and
PA network
Incorrect adjust-
ment of the bus
parameter and the
segment coupler-
dependent baud
rate
Check data and correct, if necessary
Instrument does
not appear during
connection setup
Profibus DP cable
pole-reversed
Check cable and correct, if necessary
Incorrect termi-
nation
Check termination at the beginning
and end points of the bus and termi-
nate, if necessary, according to the
specification
Instrument not
connected to the
segment, double
assignment of an
address
Check and correct, if necessary
In Ex applications, the regulations for the wiring of intrinsically safe
circuits must be observed.
Error code Cause Rectification
E013 no measured value
available
– Sensor in boot phase
– Sensor does not find an echo, e.g.
due to faulty installation or wrong
parameter adjustment
E017 Adjustment span too
small
– Carry out a fresh adjustment and
increase the distance between min.
and max. adjustment
E036 no operable sensor
software
– Carry out a software update or send
instrument for repair
E041 Hardware error, elec-
tronics defective
– Exchange the instrument or send it
in for repair
E113 Communication con-
flict
– Exchange the instrument or send it
in for repair
Depending on the reason for the fault and the measures taken, the
steps described in chapter "Set up" may have to be carried out again.
8.3 Exchanging the electronics module
If the electronics module is defective, it can be replaced by the user.
In Ex applications only one instrument and one electronics module
with respective Ex approval may be used.
Error messages via the
display and adjustment
module
Reaction after fault recti-
fication