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ventilation fan kept activated after the measurement level falls below the alarm level. In such
cases the off-delay feature can be used. The off-delay can only be defined in minutes.
Configure
User can change the parameters of detector depending of the usage such as date, time,
password and detector address via configure menu. Select 'Configure' step on main menu to
perform changes. A new menu options will display with options:
Change Modbus address
To change detector address, select "Modbus Address" menu option. In RS485 communication
detectors are slave devices and control panel is the master device. Each detector must have
unique address to work together in same RS485 communication loop. Select "Modbus Address"
menu item via using up and down keys and press Enter key. Display will show default detector
address which is 1:
Address can be changed with up and down keys from 1 to 256. Once set to desired address
press Enter key long enough. The display will show "Successful" message and return back to
higher level menu.
Change Analogue Output
User can adjust analogue output levels depending of the status and function. To do this please
select "Analogue Output" menu item on configuration menu via using up and down keys and
select Enter key. Screen will display default values used for analogue output:
PRS-UM-SV-EN-Rev1.0-16.12.2022
1. Modbus Address
2. Analog Output
3. Display
4. Previous Menu
Slave Address: 1
RS485 Connected: YES
4-20mA Output
Fault
: 2.0 mA
Warm Up
: 3.0 mA
Calibration
: 3.0 mA
Inhibit
: 3.0 mA
Over Range
: 22.0 mA
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