Edwards ELD500 Series

D135-10-880C - Operation
Page 57
Trigger level 1
Main menu > Trigger and Alarms > Trigger level 1
The value of the first trigger level can be set. See Numerical entries for the description of the
entry.
Trigger 1, 2 and Trigger 3 are programmable switching thresholds. When these thresholds will
be exceeded the ELD500 reacts as follows:
Trigger level 2
Main menu > Trigger and Alarms > Trigger level 2
The value of the second trigger level can be set. Refer to Numerical entries for the description
of the entry.
If Trigger 2 is exceeded the corresponding relay will switch. This is also indicated at the display
(see Trigger level 1).
Trigger level 3
Main menu > Trigger and Alarms > Trigger level 3
The value of the third trigger level can be set. Refer to Numerical entries for the description
of the entry.
If Trigger 3 is exceeded the corresponding relay will switch. This is also indicated at the display
(see Trigger level 3).
Key No. Name Description
1 Back Return to the main menu.
2 Trigger level 1 Definition of Trigger level 1. Chapter 3.8.1
3 Trigger level 2 Definition of Trigger level 2. Chapter 3.8.2
4 Trigger level 3 Definition of Trigger level 2. Chapter 3.8.3
5 Units Selection of leak rate and pressure units. Refer to
Chapter 3.8.4
6 Volume Refer to Chapter 3.8.5
7 Alarm delay Refer to Chapter 3.8.6
8 Audio alarm type Choice of different alarm types. Refer to Chapter 3.8.7
Display In the status line of the display the signs for Trigger 1, 2 and Trigger 3
are displayed inverted if the leak rate exceeds (becomes higher than)
the programmed value (see Figure 10).
Relay Output The trigger-relays of the digital out switches. Refer to Interfaces, for
further details.
Alarm/
Loudspeaker
Additionally Trigger level 1 defines at which level the various alarm
types react (see Audio alarm type)