VEGA VEGACAL 62 Profibus PA User Manual

Page 35

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35

8 Maintenance and fault rectification

VEGACAL 62 • Profibus PA

30025-EN-130917

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

Cause

Rectification

E013

no measured val-

ue available

– Short-circuit due to bridging by con-

ductive buildup between process

fitting and electrode

– Remove buildup - if necessary,

mount a protective tube

Shortcircuit in the

probe, e.g. be-

cause of moisture

in the housing

– Remove the electronics module out

of the probe and check the resistor

between the two marked plug con-

nections according to the figure in

paragraph "Check the resistance in

the probe".

– There should be no contact

between any of the connections

(high resistance)

– If there is still a connection -

exchange the instrument or return

it for repair

E017

Adjustment span

too small

Carry out a fresh adjustment and in-

crease the distance between min. and

max. adjustment

E036

no operable sen-

sor software

Carry out a software update or send

instrument for repair

E113

Communication

conflict

Exchange the instrument or send it in

for repair

Error messages via the

display and adjustment

module

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