GESTRA LRR 1-52, Руководство по установке

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Icon Description Icon Description
MAX switchpoint Setpoint
MIN switchpoint Conductivity reading
Position of the continuous blowdown
valve
Stand-by input active
Continuous blowdown valve is
motored into OPEN position
Continuous blowdown valve is moto-
red into CLOSED position
System switches to manual operating
mode or to trigger off an intermittent
blowdown pulse
System switches to automatic opera-
ting mode
Go to parameter setting window for
conductivity electrode
Go to parameter setting window for
conductivity transmitter
Enable temperature compensation Set up measuring range for LRGT:
4-20 mA = 0.5 - 6,000 µS/cm.
Disable temperature compensation
Temperature coefficient, adjustable
between 0.0 - 3 %/°C in increments
of 0.1
Correction factor, adjustable between
0.05 and 5,000 in increments of
0.001
Go to parameter setting window for
continuous blowdown valve
Calibration of valve OPEN (indication
of valve position via potentiometer)
Calibration of valve CLOSED (indicati-
on of valve position via potentiometer)
Activate purging pulse for continuous
blowdown valve
Purging pulse for continuous blow-
down valve, adjustable between 0 and
24 hrs in steps of 1 h.
De-activate purging pulse for conti-
nuous blowdown valve
Indication is flashing while continuous
blowdown valve is being purged
Go to parameter setting window for
controller
Proportional band, adjustable between
10 and 150 %
Integral action time, adjustable between
0 - 120 sec. in increments of 1 sec.
Neutral zone (dead band), adjustable
between 0 and +/– 20%, based on the
setpoint, adjustable in increments of 1 %.
Valve travel time, adjustable between
10 - 600 sec. in increments of 1 sec.
Operating & display unit URB 50
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Explanation of icons