Walchem WebAlert WA500, Instruction Manual

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Status
This menu reports the status of the input. Possible messages are Normal, High Alarm, Low Alarm, or
Total Limit.
Units
Select the units of flow that you want to use. The choices are Gallons, Liters or Cubic Meters per
minute.
K Factor
The instructions for the flow meter, or the flow meter itself should have the K Factor (pulses per unit
volume) that is necessary to calculate the flow rate. Type this into the text box.
Total Alarm Limit
You may specify a total amount of volume accumulated above which an alarm message will occur.
Type this in the text box. You must go to the Alarm page to specify that this alarm condition is a critical
alarm in order to close the alarm relay or send an email.
Rate High Alarm
You may specify a flow rate above which an alarm message will occur. Type this in the text box. You
must go to the Alarm page to specify that this alarm condition is a critical alarm in order to close the
alarm relay or send an email.
Rate Low Alarm
You may specify a flow rate below which an alarm message will occur. Type this in the text box. You
must go to the Alarm page to specify that this alarm condition is a critical alarm in order to close the
alarm relay or send an email.
Rate Low-Low Alarm
You may specify a flow rate below which an alarm message will occur. Type this in the text box. You
must go to the Alarm page to specify that this alarm condition is a critical alarm in order to close the
alarm relay or send an email.
Rate High-High Alarm
You may specify a flow rate above which an alarm message will occur. Type this in the text box. You
must go to the Alarm page to specify that this alarm condition is a critical alarm in order to close the
alarm relay or send an email.
Alarm Dead Band
Type in the text box the dead band to be used for each alarm set point.
Damping
Damping is applied to the input by taking a running average of the readings of the input signal over the
time frame specified by the damping setting (0-60 seconds)
.
The averaged reading is displayed and used
for control. Type in the text box the desired time frame.
Flow meter (Contact Type)
Custom Name
You may give the input a custom name by typing it in the text box.
Total
The total water flow since the last time the total was reset will be displayed here. The Reset Total
button allows you to set the total back to 0.