10
PRS-UM-DP4-EN-Rev.03-05.06.2020
LCD Screen:
LCD screen shows time details and status of each detector connected to channels as shown
in Diagram 8:
Diagram 9: LCD screen
Note
: Date and time information will be unavailable when RS485 module installed.
The meaning of the signs used in LCD screen is given in table 4:
Column Sign sample Meaning
1
1>
Channel number
2
DETECTR
Detector name (user can give any name)
3
17
Gas level measured by detector
4
LEL
(LEL, VOL, PPM) measurement unit of detector
5
A1
ALARM1 is active
5
A2
ALARM2 is active
5
FLT
FAULT status
Table
4: LCD screen details
If there is no detector connected to channel, LCD screen will show it as FLT and fault LED will
be activated. That channel should be closed (deactivated) via using menu steps.
The LCD screen brilliance is adjustable by blue potentiometer shown in Diagram 9.
Special States
Panel can recognize any special state in 2 minutes. Special States are:
•
Fault
•
Overrange
Below messages wil be shown on LCD and related visible alerts will be activated:
Status
Screen Output
LED Output
Relay Output
Fault
Fault status on related channel
Fault LED
Fault Relay de-energised
Overrange
“Range<” message shown on related channel
ALARM LEDs
Alarm Relay(s) energised
Table
5: Special state and indicators
Fault Status:
The panel reports FAULT status in below cases:
•
In case any of the detector connections lost
•
In case any of the detector measurement level goes below minimum level
•
In case any of the detector goes in to fault state
•
In case any panel self-test result reports a fault
