Endress+Hauser Proline Prosonic Flow 93, Руководство по эксплуатации

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Proline Prosonic Flow 93 PROFIBUS DP/PA Troubleshooting
Hauser 143
9.3 Process error messages
!
Note!
See the information on
→
ä
81 ff.
9.3.1 Displaying the device status on PROFIBUS DP/PA
Further information
→
ä
137
9.3.2 List of process error messages
9.4 Process errors without messages
No. Device status message
(local display)
PROFIBUS measured value status
Extended
diagnostic
message
in the
PROFIBUS
master
Cause/remedy
Qu
a
lit
y
cod
e
(
H
E
X
)
M
e
as
ure
d val
ue
s
tatus
Q
u
al
ity s
tatus
Q
u
al
ity
s
ubstatus
Li
m
its
P = Process error
$
= Fault message ( with an effect on the outputs)
! = Notice message ( without any effect on the outputs)
743 P: 0-ADJ. FAIL CH1
$
: # 800
0x40 UNCERT
AIN
Non specific
(uncertain
status)
No limits Zeropoint
adjustment is not
possible Cause:
The measuring device is being checked on site via the
test and simulation device.
Remedy:
Make sure that zero point adjustment is carried out at
"zero flow" only (v = 0 m/s)
→ ä
129.
744 P: DENS. DEV. LIMIT
$
: # 801
0x40
0x41
0x42 UNCERT
AIN
Non specific
(uncertain
status)
O.K.
Low
High
Density outside the
limit
Symptoms Rectification
!
Note!
You may have to change or correct certain settings of the function matrix in order to rectify faults. The functions outlined below are described in detail in the
"Description of Device Functions" manual.
Measured value reading fluctuates even
though flow is steady. 1. Check the fluid for presence of gas bubbles.
2. Increase the following values:
– Analog Input function block
→
RISING TIME
– BASIC FUNCTIONS
→
SYSTEM PARAMETER
→
CONFIGURATION
→
FLOW DAMPING
3. Increase the value for display damping:
HOME
→
USER INTERFACE
→
CONTROL
→
BASIC CONFIG.
→
DISPLAY DAMPING
Measured value reading shown on
display, even though the fluid is at a
standstill and the measuring tube is full. 1. Check the fluid for presence of gas bubbles.
2. Enter a value for the low flow cutoff or increase this value:
BASIC FUNCTION
→
PROCESS PARAMETER
→
CONFIGURATION
→
ON-VALUE LF CUTOFF
The fault cannot be rectified or some
other fault not described above has
occurred.
In these instances, please contact your
Hauser service organization. The following options are available for tackling problems of this nature:
Request the services of an Hauser service technician
If you contact our service organization to have a service technician sent out, please be ready with the following information:
• Brief description of the fault
• Nameplate specifications: order code and serial number
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ä
7
Return devices to Hauser
You can return a measuring device to Hauser for repair or calibration.
Always enclose the duly completed "Declaration of Contamination" form with the flowmeter.
You will find a preprinted blank of this form at the back of this manual.
Replace transmitter electronics
Components in the measuring electronics defective
→
Order spare part
→
ä
145 ff.