FMC Corporation - Talstar 80 사용자 설명서
Proline Promass 80 PROFIBUS PA
Troubleshooting
79
9.4
Process errors without messages
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.
"Description of Device Functions" manual.
Measured value reading fluctuates even
though flow is steady.
though flow is steady.
1.
Check the fluid for presence of gas bubbles.
2.
Increase the following values:
– Analog Input function block
– Analog Input function block
→ RISING TIME
– BASIC FUNCTIONS
→ SYSTEM PARAMETER → CONFIGURATION → FLOW DAMPING
3.
Increase the value for display damping:
HOME
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.
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
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
Endress+Hauser service organization.
other fault not described above has
occurred.
In these instances, please contact your
Endress+Hauser service organization.
The following options are available for tackling problems of this nature:
Request the services of an Endress+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
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
Return devices to Endress+Hauser
You can return a measuring device to Endress+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.
You can return a measuring device to Endress+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
Parts of the measuring electronics defective
Parts of the measuring electronics defective
→ Order spare parts → Page 80 ff.