Walchem WDB400 Series, Инструкция по эксплуатации

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3
2.4 WDB Variables and their Limits
Low Limit High Limit
Conductivity menu
PPM Conversion Factor 0.200 ppm/µS/cm 1.000 ppm/µS/cm
Interval Time (sampling) 5 minutes 24:00 hours
Duration Time (sampling) 1 minute 59 min: 59 sec
Hold Time 1 second 499 min: 59 sec
Blowdown Time 1 minute 8 hrs: 20 min
Max Proportional Time 1 minute 8 hrs: 20 min
Proportional Band 0 10,000 µS/cm
% Calibration Range -50% +50%
Temperature Menu
No variables
BlowdownMenu
Set Point 0 µS/cm 10,000 µS/cm
Dead Band 5 µS/cm 500 µS/cm
Blowdown Limit Time (set in hours/minutes) 1 minute 8 hrs: 20 min
(enabled)
0=unlimited (disabled)
Feed Menu
Feed Lockout Timer (Mode A) 1 second 99 min: 59 sec
Percent of Blowdownd (Mode B) 5 % 99 %
Feed Time Limit (Mode B) 1 minute 99 min: 59 sec
Percent of Time (Mode C) 5 % 99 %
Feed Cycle Time (Mode C) 10 minutes 59 min: 59 sec
Time per Contact (Mode D) 1 second 59 min: 59 sec
Divider Count (Mode D) 1 contact 100 contacts
Feed Time Accumulate (Mode D) 1 minute 99 min: 59 sec
Time Limit (Mode D) 1 minute 99 min: 59 sec
4-20 mA Menu
4 & 20 mA Settings 0 µS/cm 10,000 µS/cm
Access Code Menu
New Value 0 9999
Alarm Menu*
High & Low (set to zero to disable) 1% 50%
Datalog Menu (Optional)
No variables
Config Menu (Optional)
No variables
Upgrade Menu
No variables
*Note: The Alarm relay is non-programmable. Refer to the Main Menu diagram on page 16 for the list of error
conditions that trigger the alarm relay.