Alarm, fault and system messages
12.3 Online diagnostics
SIPART PS2 with PROFIBUS communication
232
Operating Instructions, 09/2007, A5E00127926-07
12.3.3
Overview of error codes
Overview of error codes that activate the fault message output
Error
code
Three-
stage
Event
Parameter setting Fault message disappears
when
Possible causes
1
No
Remaining control
deviation
Always active
... the control deviation
disappears again.
Compressed air failure,
actuator fault, valve fault (e.g.
blockade).
2
No
Device not in the
automatic mode
**. FCT
1)
= nA or = nAB
... the device is switched to
the automatic mode.
The device has been
configured or is in the manual
mode
3
No
Binary input BE1
or BE2 active
**. FCT
1)
= nAB and binary
function BIN1 or
BIN2 on "On"
... the binary input is no
longer active.
The contact connected to the
binary input was active (e.g.
packing gland monitoring,
overpressure, temperature
switch).
4
Yes
The limit of stroke
number exceeded
L. STRK≠OFF
... the stroke counter is reset
or the thresholds are
increased
The total path covered by the
actuator exceeds one of the
set thresholds.
5
Yes
Limit of changes of
direction exceeded
O. DCHG≠OFF
... the counter for changes of
direction is reset or the
thresholds are increased.
The number of changes of
direction exceeds one of the
set thresholds.
6
Yes
Limit of the lower
hard end stop
exceeded
F. ZERO≠OFF
**.YCLS = do or up
do
... the deviation of the end
stop disappears or the device
is re-initialized.
Wear and tear of the valve
seat, deposits or foreign
bodies in the valve seat,
mechanical misalignment,
friction clutch moved.
7
Yes
Limit of the upper
hard end stop
exceeded
G. OPEN≠OFF
**.YCLS
1)
= do or
up do
... the deviation of the end
stop disappears or the device
is re-initialized.
Wear and tear of the valve
seat, deposits or foreign
bodies in the valve seat,
mechanical misalignment,
friction clutch moved.
8
No
Limit of dead zone
adjustment
exceeded
E. DEBA≠OFF
**.DEBA
1)
= Auto
... the limit is undershot again Increased packing gland
friction, mechanical gap in the
position feedback.
9
Yes
Partial-Stroke-Test
exceeds the
reference step
time
A. PST≠OFF
... a Partial-Stroke-Test is
successfully executed within
the reference step time or the
function is deactivated.
Valve jams or has rusted,
increased friction
10
Yes
General control
valve fault
b. DEVI≠OFF
... the position is again in a
narrow corridor between the
reference variable and the
model, or the function is
deactivated.
Actuator fault, valve fault,
valve jams, increased friction,
decreased compressed air
11
Yes
Pneumatic
leakage
C. LEAK≠OFF
... the leakage drops below
the set thresholds, or the
function is deactivated.
Pneumatic leakage
12
Yes
Static friction/
Slipstick effect
occurs
d. STIC≠OFF
... Slipjumps can no longer be
detected, or the function is
deactivated.
Increased static friction, valve
no longer moves smoothly,
but with jerks
Содержание SIPART PS2 PA 6DR55 Series
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