Panametrics Aurora H2O, Руководство пользователя

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Chapter 3. Operation and General Programming
16 Aurora H2O User’s Manual
3.6.4 Selecting an Alarm Type
To change the alarm type, from the Alarm Menu select Type and press Enter . A screen
similar to the following appears:
Use the arrow keys to select an alarm type. Press Enter to save (or Cancel to keep the
previous value), and return to the Alarm Menu .
• SetPoint: Alarm activates when parameter exceeds upper limit, and deactivates
when parameter is less than lower limit.
• Inner Band: Alarm activates when parameter is between upper and lower limits.
• Outer Band: Alarm activates when parameter is outside upper and lower limits.
• Fault: Alarm activates when a system fault is detected. The alarm de-activates when the fault condition is
removed. These conditions can be found in Section 7.4, Table 4.
3.6.5 How the Alarm Types Work
See Figure 42 below for descriptions of the various alarm types:
Figure 42: Example of Alarm Types
3.6.6 Changing the Upper Alarm Span
To adjust the upper alarm span, from the Alarm Menu select Upper and press Enter . A
screen similar to the following appears.
Out Band
Trip
Trip
In Band
Reset
Reset
Upper
Hysteresis
Lower
Setpoint
Trip
Reset
Trip
Reset
Trip
Reset