VEGA VEGAPULS 63 (≥ 2.0.0 - ≤ 3.8) Profibus PA User Manual

Page 44

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Error

Cause

Rectification

In Simatic S7 the
measured value is
always presented
as 0

Only four bytes
are consistently
loaded in the PLC

Use function component SFC 14 to
load 5 bytes consistently

Measured value
on the indicating
and adjustment
module does not
correspond to the
value in the PLC

The menu item
"

Display - Dis-

play value

"

is

not set to "

PA-

Out

"

Check values and correct, if neces-
sary

No connection
between PLC and
PA network

Incorrect adjust-
ment of the bus
parameter and
the segment
coupler-depen-
dent baud rate

Check data and correct, if necessary

Instrument does
not appear during
connection setup

Profibus DP cab-
le pole-reversed

Check cable and correct, if necessary

Incorrect termina-
tion

Check termination at the beginning
and end points of the bus and termin-
ate, 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.

?

E

013

l

no measured value available

à Sensor in boot phase
à Sensor does not find an echo, e.g. due to faulty installation or

wrong parameter adjustment

?

E

017

l

Adjustment span too small

à Carry out a fresh adjustment and increase the distance

between min. and max. adjustment

?

E

036

l

no operable sensor software

à Carry out a software update or send instrument for repair

Error messages via the
indicating and adjust-
ment module

44

VEGAPULS

63 • Profibus PA

8 Maintenance and fault rectification

28446

-EN

-120530

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