Endress+Hauser Deltabar PMD78B, Руководство по эксплуатации

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Diagnostics and troubleshooting Deltabar PMD78B HART
66 Hauser
Diagnostic
number
Short text Remedy instructions Status
signal
[from the
factory]
Diagnostic
behavior
[from the
factory]
484 Failure mode simulation
active Deactivate simulation C Alarm
485 Process variable
simulation active Deactivate simulation C Warning
491 Current output
simulation active Deactivate simulation C Warning
495 Diagnostic event
simulation active Deactivate simulation C Warning
500 Process alert pressure 1. Check process pressure
2. Check configuration of process
alert
S Warning
1)
501 Process alert scaled
variable 1. Check process conditions
2. Check scaled variable
configuration
S Warning
1)
502 Process alert temperature 1. Check process temperature
2. Check configuration of process
alert
S Warning
1)
503 Zero adjustment 1. Check measuring range
2. Check position adjustment M Warning
Diagnostic of process
801 Supply voltage too low Increase supply voltage F Alarm
802 Supply voltage too high Decrease supply voltage S Warning
805 Loop current faulty 1. Check wiring
2. Replace electronics F Alarm
806 Loop diagnostics 1. Check supply voltage
2. Check wiring and terminals M Warning
1)
807 No Baseline due to insuf.
volt. at 20 mA Increase supply voltage M Warning
822 Sensor temperature out
of range 1. Check process temperature
2. Check ambient temperature S Warning
1)
825 Operating temperature 1. Check ambient temperature
2. Check process temperature S Warning
841 Operating range 1. Check the process pressure
2. Check the sensor range S Warning
1)
900 High signal noise
detected 1. Check impulse line
2. Check valve position
3. Check process M Warning
1)
901 Low signal noise detected 1. Check impulse line
2. Check valve position
3. Check process
M Warning
1)
902 Min signal noise detected 1. Check impulse line
2. Check valve position
3. Check process
M Warning
1)
906 Out of range signal
detected 1. Process Information. No action
2. Rebuild baseline
3. Adapt signal range thresholds S Warning
1)
1) Diagnostic behavior can be changed.