Operation
116
SIPAR T PS2 Manual
A5E00074631--06
Shifting the upper stop
This function is for detecting when the upper stop has changed its
value compared to the value during initialization by more than the
specified tolerance value. Monitoring is only possible if the valve is
within the tight closing function. The activation of the “top tight closing
function” (para“meter “39.YCLS”) is therefore prerequisite.
Threshold 1
First threshold for monitoring the upper limit stop. If the set absolute
value is exceeded during “top tight closing”, this will trigger the thres-
hold 1 error message.
Threshold 2
Second threshold for monitoring the upper limit stop. If the set absolute
value is exceeded during “top tight closing”, this will trigger the thres-
hold 2 error message.
Threshold 3
Third threshold for monitoring the upper limit stop. If the set absolute
value is exceeded during “top tight closing”, this will trigger the thres-
hold 3 error message.
.
NOTE
Monitoring of the lower and upper limit stops does not only react to
valve faults. A misadjustment of the position feedback is also detected
as a malfunction if the threshold values are exceeded.
G. OPEN
G1.LEVL1
G2.LEVL2
G3.LEVL3
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