Siemens SIPART PS2 Operating Instructions Manual page 203

Electropneumatic positioner with and without hart
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Message
Line
Up
Down
ok
x
RUN1 /
X
ERROR
d___U
X
SEt
X
MIDDL
X
UP >
X
90_95
X
U-d>
X
U nn.n
X
D->U
X
D nn.n
X
SIPART PS2 with and without HART
Operating Instructions, 02/2016, A5E00074631-AB
Meaning/cause
The permissible measuring range of end
positions is achieved only in case of a man-
ual initialization
Error in "RUN1", no movement e.g. due to
the lack of compressed air
Bar graph display of the zero point is outside
the tolerance range
Friction clutch was moved; "P 50.0" not dis-
played when the lever is horizontal
"UP" tolerance range was exceeded or the
inactive zone of the potentiometer was cov-
ered.
Possible only in case of part-turn actuators:
actuator travel is not in the range between 90
and 95%
"Up-Down" measuring span was undershot
Display of the "Up" travel time
Display of the "Down" travel time
Alarm, error, and system messages
10.1 Output of system messages in the display
Measure
Acknowledge with the operating mode
button; the remaining steps ("RUN1" to
"FINSH") execute automatically.
Possible causes:
Insufficient supply of compressed air.
Restrictor(s) blocked.
Actuator does not move freely.
Measures:
1. Eliminate possible causes.
2. Restart initialization.
1. Set between "P 4.0" and "P 9.9" ( >0< )
using friction clutch.
2. Continue using
1. In the case of linear actuators, use the
or
key to bring the lever perpen-
dicular to the spindle.
2. Briefly acknowledge using
ization is continued).
1. Increase the effective lever length of the
linear actuators or switch the transmis-
sion ratio selector to 90°.
2. Briefly acknowledge using
3. Restart initialization.
1. Use the
or
range between 90 and 95%.
2. Briefly acknowledge using
1. Decrease the effective lever length of the
linear actuators or switch the transmis-
sion ratio selector to 33°.
2. Briefly acknowledge using
3. Restart initialization.
Wait until initialization continues in
RUN4.
To change the travel time, interrupt the
initialization process using the
Activate the leakage test using the
key.
Wait until initialization continues in
or
key.
key (initial-
key.
key to move it in the
key.
key.
key.
203

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