GESTRA LRR 1-50, Installation & Operating Instructions Manual

Page: 19 / 28

19
Operating the conductivity controller
Key to codes on seven-segment display
Fig. 5
Rotary button
with integrated
push-button
MAX LED red
5432
Seven-segment
display
LED 1
Valve opens
LED 2
Valve closes
Code Description
Indicated when rotary button is turned to the right:
AL.Hi
Alarm High MAX switchpoint, adjustable between 1 and 9999 μS/cm
SP Setpoint Setpoint, adjustable between 1 and 9999 μS/cm
HySt Hysteresis Reset hysteresis, adjustable between 1 and 25 % of the setpoint
Indicated when in parameterization mode:
quit
Quit Input not confirmed
done Done Input confirmed
Indicated if malfunctions occur:
E.001
Error Temperature sensor defective, temperature reading too low
E.002 Error Temperature sensor defective, temperature reading too high
E.005 Error Sensor defective, measured value too low
E.006 Error Sensor defective, measured value too high
Only LRR 1-50
CF
Correction
Factor
Correction factor, adjustable between 0.05
and 5,000, adjustable in increments of 0.001
inP input Pt 100 Temperature compensation YES (no)
tC
Temperature
coefficient
Temperature coefficient Tk 0.0 – 3.0 %
per °C, adjustable in increments of 0.1
Only LRR 1-51
Sin.L Lower end of measuring range, adjustable
0.0 - 0.5 - 100.0 μS/cm
Sin.H
Upper end of measuring range, adjustable
20.0 - 100.0 - 200.0 - 500.0 -1000.0 -
2000.0 - 3000.0 - 5000.0 - 6000.0 -
7000.0 - 9999.0 μS/cm
Sout
Standardization of current output adjustable between 1 and
9999 μS/cm
Si Purging pulse, adjustable between 0 and 24 hrs in steps of 1 h.
Sd
Purging duration, adjustable between 1 and 4 minutes, in steps
of 1 min.
tESt Test Tests output relays