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2.5.2 Setting the Alarm Delay Times
1. Select the Alarms menu (
→
→
F3:Limits
→
→
F4:Alarms
).
2. Select
F3:Set Alarm Delay Times
from the menu. The current Conductivity alarm
delay time is displayed. For example…
Enter COND Alarm Delay Time : 10mins
Use the
and
keys to set the Conductivity alarm delay time. The allowable range is 5 to
60 minutes.
Press
to save the new value, or press
to quit without saving the changes.
3. The current pH alarm delay time is now displayed. For example…
Cond Alarm Delay Time : 10mins
Enter pH Alarm Delay Time : 10mins
Use the
and
keys to set the pH alarm delay time. The allowable range is 5 to 60 minutes.
Press
to save the new value, or press
to quit without saving the changes.
4. The alarm delay times are now set to the required values.
2.5.3 Enabling and Disabling the Alarm Function
To enable the alarm function…
1. Set the required Alarm Margins and Alarm Delay Times, as per sections 2.5.1 and 2.5.2.
2. Select the Alarms menu (
→
→
F3:Limits
→
→
F4:Alarms
).
3. Select
F1:Enable
from the menu.
The alarm function is now enabled. The alarm system is only functional when the
hydro
CHEM
is in Automatic Control mode (see section 3.3).
To disable the alarm function…
1. Select the Alarms menu (
→
→
F3:Limits
→
→
F4:Alarms
).
2. Select
F1:Disable
from the menu.
3. The alarm function is now disabled.