Triple IR Flame Detectors
FV400
Fixing Instructions Doc. version 2
17/20
Interface Settings and Combinations
Switch2
Function
Action
OFF (Default)
ON
SW2-1
Window Heater
OFF
ON
SW2-2
OPM Mode
a
Automatic
Manual
SW2-3
Interface
See Table 8
SW2-4
Interface
See Table 8
SW2-5
4-20 mA Modes
Band mode (Discrete)
Continuous (Variable) mode
MX Mode
Consys Options
DIP Switch Options
SW2-6
4-20 mA Modes
Must be set to OFF
Must be set to OFF
MX Mode
Must be set to OFF
Must be set to OFF
SW2-7
4-20 mA Modes
Normal bands
b
Enhanced bands
MX Mode
Loop mode
Programming mode
SW2-8
Set to OFF (For future use)
Table 6: DIP Switch 2 Settings
a – Optical Path Monitoring (OPM) - Check for window cleanliness
b – This mode is equivalent to the S241f+ discrete mode bands
SW2-3
SW2-4
Interface
S200 Equivalent
Off
Off
4 - 20 mA Current Loop and
Relay (Default)
/S241f+/S261f+
Off
On
Conventional
S231f+
On
Off
4 - 20 mA Current Loop
S241f+
On
On
MX Loop
S271f+
Table 7: Interface Settings and Combinations
More than one interface may be enabled in certain modes according to the following table.