Servomex DF-130E, Operator'S Manual

Page: 24 / 88

20 DF-150E Options
7.2 Alarms
The DF-150 can be equipped with one or two alarms. Alarm 1 can be
configured for high O
2
, low O
2
, or low flow. Alarm 2 can be configured for
high O
2
or low O
2
.
The DF-130 can be equipped with one flow or one oxygen alarm.
Figure 8: Setting alarms
7.2.1 Adjusting Oxygen Alarm Set Points
1. Open the front door.
2. Push the toggle switch, located between the alarm set point adjustments, in
the appropriate direction.
3. Adjust the alarm knob while viewing the alarm value on the display.
4. Release the toggle switch.
NOTE
 Alarm triggers are inhibited while adjusting the set points.
 The analyzer will continue to operate normally while alarms are
adjusted.
7.2.2 Alarm Relays
In the “No Alarm” condition the NC contact is connected to the C contact.
In the “Alarm” condition the NO contact is connected to the C contact.
If the analyzer is equipped with a Low Flow Alarm (see page 23), it will be
wired to Alarm 1.