Vega VEGABAR 61 Proﬁbus PA Bedienungsanleitung PDF herunterladen (Seite 49)

? Wrong presen

tation of the measured value in Simatic S5

l Simatic S5 cannot interpret the number format IEEE of the

measured value

à Insert converting component from Siemens

? In Simatic S7 the measured value is always presented as 0

l Only four bytes are consistently loaded in t he PLC

à 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

l The menu item "Display - Display value" is not set to " PA-Out"

à Check values and correct, if necessary

? No connection between PLC and PA network

l Incorrect adjustment of the bus parameter and the segment

coupler-dependent baud rate

à Check data and correct, if necessary

? Instrument does not appear during connection setup

l Proﬁbus DP cable pole-reversed

à Check cable and correct, if necessary

l Incorrect termination

à Check termination at the beginning and end points of the bus

and terminate, if necessary, according to the speciﬁcation

l Instrument not connected to the segment, double assignment

of an address

à Check and correct, if necessary

In Ex applications, the regu

lations for the wiring of intrinsically safe

circuits must be observed.

? E013

l no measured value available

10)

à Exchange instrument or return instrument for repair

? E017

l Adjustment span too small

à repeat with modiﬁed values

? E036

l no operable sensor software

à Carry out a software update or send the instrument for repair

10)

Fault message can also appear if the pressure is higher than the nominal

range.

Fault messages via the

indicating/adjustment

module

VEGABAR 61 • Proﬁbus PA 49

8 Maintenance and fault rectiﬁcati

28251-EN-081209

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 83 84

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