Page 8
900-0093-01-00 Rev C
©2020 OutBack Power. All Rights Reserved.
Operation
Viewing FN-DC Data
There are three main ways to view data recorded by the FN-DC:
○ LED Indicators (A and B): These indicate the approximate battery
SOC “at-a-glance”.
○ MATE3s System Display (beginning with C): This shows key
data such as the exact battery SOC and voltage. A full range of
detailed data can be viewed in various screens.
○ OPTICS RE (see pages 10-11): This allows for remote access to
most FN-DC data using a web browser.
Battery Status
Battery Stats Shunt Status
FLEXnet DC DataLog
Graph
MATE3s
Note
MATE3s readings are also discussed in detail in the MATE3s
Overview Guide (available at www.outbackpower.com).
MATE3s Home Screen
FLEXnet DC
MATE3s Battery Status
LED Indicators
Three colored LED indicators show
the battery SOC:
Green: above 80% SOC
Yellow: 60-80% SOC
Red: less than 60% SOC
A
C
F
E
D
FE
C
D
A
G
G
H
I
H
I
J
Current into and
out of batteries
, ,
Battery
Bank
K
E
G
F
In the MATE3s, the <Battery>
soft key D opens the FLEXnet DC
screen. This allows access to additional
menus with status and historical data.
Page 13
Operation
FLEXnet Relay Set Points
This menu allows the user to adjust the criteria used by the
Auto selection in the FLEXnet Relay Mode menu.
○ Voltage: High — The relay will close upon reaching a specified high voltage level following the
appropriate delay.
○ (Voltage) Low — After the relay was closed according to the High voltage set point, it will open again
upon reaching a specified Low voltage level (following the appropriate delay; see below).
○ SOC: High — If voltage conditions are not met, the relay will close when the battery state of charge
(SOC) increases to a specified percentage following the appropriate delay.
○ (SOC) Low — After the relay was closed according to the High SOC set point, it will open again upon
reaching a specified low SOC level following the appropriate delay.
○ Delay: High — Sets the delay time before the relay closes due to a High set point. This applies to either
the SOC or voltage settings.
○ (Delay) Low — Sets the delay time before the relay opens due to a Low set point. This applies to either
the SOC or voltage settings.
Wiring Block
Vent Fan
Battery
NOTES
The following set points assume N.O. logic as described on the previous page. If N.C. logic is
used, all uses of the words “close” or “open” are reversed.
See the previous page for available setting ranges.
When the MA
TE3s Advanced Generator Start (AGS) function is active and set to control the
FN-DC Aඝච relay, it will override the set points shown here. For generator control, OutBack
Power strongly recommends using the AGS function rather than the FN-DC set points, as
described in the MATE3s literature.
Fuse
(5 A,
30 Vdc)
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General