7.4 Configure the OELD device
The OELD has several configurable parameters, which can be set using mobile device and OELD App. The configurable parameters
are shown in the table below.
Configuration Parameters Default Setting Other Options
Device type Searchpoint Optima Plus Searchline Excel / Generic 4 to 20mA transmitter
Alarm Threshold* 20% Any value between 5 and 65 % FSD
Gas name on display ‘FLm’ 4 of User-configurable alpha-numeric characters
Display resolution 1 Decimal places (e.g. 0.1)
Full Scale Range for 20 mA 100 Depends on the display resolution
Measurement units %LEL %Vol, mg/m3, g/m3, ppm, kppm, ppm·m, LEL·m, mA, A, dB, dBA
Inhibit Current 1.5 to 2.5 mA 0 to 3 mA
Warning Current 2.5 to 3.5 mA 0 to 6 mA
Beam block current 2.3 to 2.7 mA 0 to 6 mA
Over-range Current 20.0 to 24.0 mA 20 to 24.0 mA
Normal (Green) LED control On Off
Note
Alarm threshold and trigger relates to the local indication of the LED only. These settings do not affect the operation of the
connected sensor or any other systems connected to the OELD.
7.5 Optima Plus Configuration
The OELD Mobile App allows a user to configure a Searchpoint Optima Plus gas detector that is connected to the OELD unit. The
configurable parameters are as shown in the table below.
Configuration Parameters Min Value Max Value Step Size
Alarm Threshold 10% 65% 1%
Inhibit Current* 0mA 3mA .05mA
Warning Current* 0mA 6mA .05mA
Over-range Current 20mA 21.6mA .05mA
*to ensure full compliance with the requirements of ATEX, refer to the Searchpoint Optima Plus manual for appropriate settings
when using this gas detector.
Note
Make sure the RS485 connections are made between the Searchpoint Optima Plus and the OELD.
7 OELD Mobile App
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