Endress+Hauser Proline 200 - Page 167

Proline Prowirl F 200 PROFIBUS PA Diagnostics and troubleshooting
Endress+Hauser 167
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
870 Measuring inaccuracy increased 1. Check process
2. Increase flow volume
• Calculated saturated
steam pressure
• Density
• Energy flow
• Flow velocity
• Heat flow difference
• Low flow cut off
• Mass flow
• Total mass flow
• Switch output status
• Pressure
• Reynolds number
• Specific volume
• Corrected volume flow
• Steam quality
• Degrees of superheat
• Volume flow
Measured variable status [from the factory]
1)
Quality Uncertain
Quality substatus Process related
Coding (hex) 0x78 to 0x7B
Status signal S
Diagnostic behavior Warning
1) Diagnostic behavior can be changed. This causes the overall status of the measured variable to change.
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
871 Near steam saturation limit Check process conditions • Calculated saturated
steam pressure
• Density
• Energy flow
• Heat flow difference
• Low flow cut off
• Mass flow
• Total mass flow
• Switch output status
• Pressure
• Reynolds number
• Specific volume
• Corrected volume flow
• Steam quality
• Degrees of superheat
Measured variable status [from the factory]
1)
Quality Uncertain
Quality substatus Process related
Coding (hex) 0x78 to 0x7B
Status signal S
Diagnostic behavior Warning
1) Diagnostic behavior can be changed. This causes the overall status of the measured variable to change.
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
872 Wet steam detected 1. Check process
2. Check plant
• Energy flow
• Heat flow difference
• Low flow cut off
• Total mass flow
• Switch output status
• Corrected volume flow
• Steam quality
Measured variable status [from the factory]
1)
Quality Uncertain
Quality substatus Process related
Coding (hex) 0x78 to 0x7B
Status signal S
Diagnostic behavior Warning
1) Diagnostic behavior can be changed. This causes the overall status of the measured variable to change.