Siemens SIPART PS2 PA 6DR55 Series, Руководство по эксплуатации

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Alarm, fault and system messages
12.4 Fault correction
SIPART PS2 with PROFIBUS communication
236
Operating Instructions, 09/2007, A5E00127926-07
12.4 Fault correction
12.4.1 Fault identification
Diagnostics guide
Fault See fault table
In which mode does a fault occur?
•
Initialization
1
•
Manual and automatic modes
2 3 4 5
In which environment and under which boundary conditions does a fault occur?
• Wet environment (e.g. strong rain or constant condensation) 2
•
Vibrating (oscillating) control valves
2 5
•
Impact or shock loads (e.g. vapor shocks or breakaway valves)
5
• Moist (wet) compressed air 2
•
Dirty (contaminated with solid particles) compressed air
2 3
When does a fault occur?
• Regularly (reproducible)
1 2 3 4
• Sporadically (not reproducible) 5
•
Mostly after a specific operation time
2 3 5
See also
Behavior in case of faults (Page 112)
12.4.2 Remedial measures table 1
Fault profile (symptoms) Possible cause(s) Remedial measures
•
Positioner remains in "RUN 1".
•
Initialization started from the end
position and
•
The response time of a maximum of
1 minute was not observed.
•
Network pressure not connected or
it is too low.
•
A waiting time of up to 1 minute is
essential.
•
Do not start initialization from the
end position.
•
Provide the network pressure.
•
Positioner remains in "RUN 2".
•
Transmission ratio selector and
parameter 2
•
"YAGL" and the real stroke do not
match.
•
Incorrectly set stroke on the lever.
•
Piezo valve does not activate.
•
Check settings: see leaflet: "Device
view (7)" picture as well as
parameters 2 and 3
•
Check the stroke setting on the
lever. See table 2