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3 exchanging the electronics module – VEGA VEGASON 61 Profibus PA User Manual

Page 37

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37

8 Maintenance and fault rectification

VEGASON 61 • Profibus PA

28784-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