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Mastervolt MasterBus FireCAN Interface Manual

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6 April 2016 / MasterBus – FireCAN Interface / EN
3.3 INFORMATION TRANSMITTED ON
FIRECAN
The following information is transmitted on the
FireCAN network:
Grid availability: Information about grid availability
is shared on the FireCAN network. This information
is determined by applying some logic. See Figure 1.
E/F/G/H for more information.
Charging status. The charging status will output
ON if:
“Read charging current” is selected and the
charging current is larger than 0.05A.
Charging will output OFF if:
“Read charging current” is selected and the
charging current is lower than 0.05A or
If “Read charging current” is not selected and
there is no “Grid available”
Charging will output Unavailable when none of the
above criteria are met.
Charging complete will always output Unavailable;
as this information can never be guaranteed. For
example a loose battery connection or a blown fuse
can give the impression of a battery not accepting
current and indicating a complete charge.
Battery voltage read from the charging device.
High voltage alarm.
High voltage alarm will output ON if
the “Read high alarm” is selected and the alarm
at high alarm index is ON (or 1) or if
“Read high alarm” is not selected and the
“Battery voltage” is between 15 and 18V or is
above 30V.
The High alarm status will output OFF if:
the “Read high alarm” is selected and the alarm
at high alarm index is OFF(or 0)
High alarm will output Unavailable in all other cases.
Low voltage alarm works in the same manner as
the High voltage alarm. The voltage window is below
10V and between 18 and 20V.
3.4 FAULT CODES
The last 10 fault codes are saved in the FireCAN
interface. These codes can be reviewed via
MasterBus and via the FireCAN network.
Every new fault is stored in location 1, the codes
move one position up. When there are more than 10
faults location 10 is lost.
Possible Fault codes:
501: Indicates a low voltage of the battery. This
fault is logged when the charging device shows a
low voltage alarm.
502: Indicates an over voltage on the battery.
Also indicated by an alarm of the charging
device.
All 10 fault code locations can be reset via the
FireCAN network.
3.5 EXAMPLE OF FINDING INDEX OF FIELD
A Index number can be found by hoovering your
mouse pointer over a data field in the monitoring
page or alarm page.
In figure 3 an example is shown on how to find the
index of a specific data field
Figure 3:
MasterAdjust reveals the Index number of a
valiable when hoovering over it.
6


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