Aalborg DPC, Operating Manual

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TABLE XIX: ALARM EVENTS REGISTER
EVENT NUMBER ALARM EVENTS DESCRIPTION OLED BIT CODE
1 High Flow Alarm 0
2 Low Flow Alarm 1
3 Flow Between High and Low Limits 2
4 Totalizer#1 Exceed Set Event Volume Limit 3
5 Totalizer#2 Exceed Set Event Volume Limit 4
6 High Pressure Alarm 5
7 Low Pressure Alarm 6
8 Pressure between High and Low Limits 7
9 Low Temperature Alarm 8
10 Low Temperature Alarm 9
11 Temperature Between High and Low Limits A
12 Pulse Output Queue overfl ow B
13 Password Event (attempt to change password) C
14 Power On Event (power on delay > 0) D
6.4.17.1 Alarm Events Register
The following alarm events are supported:
There are actually three separate registers:

The Status Alarm Event Register, which holds each active alarm event (this is read only)

The Mask Alarm Event Register, which allows the user to Enable or Disable monitoring
for a particular event.

The Latch Alarm Event Register, which allows the user to Enable or Disable the latch
feature for a particular event.
a) Status Alarm Event Register (Read Only)
Each active Alarm Event will be indicated on the OLED screen. In addition, the total
number of currently active alarm events will be displayed on the fi rst line. A typical
display with no active Alarm Events is shown in Figure 42.