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1.
No solar voltage is applied / device is in standby mode
2.
Sufficient solar voltage is applied
3.
Battery status indicator (see also battery status indicator)
4.
Voltage system used
5.
Status display for load output
6.
Overvoltage on battery input
Battery status indicator
Battery being discharged
DIP switch assignment
1/2: Addressing of the device
3:
MPPT function (switch OFF = function active)
4:
Standby function (switch OFF = function active)
5/6: Selection of the type of rechargeable battery
7:
Equalizing charge (switch ON = function active)
8:
not assigned
Note: Only switch when the device is switched off!
Adapting the module power to the solar controller
Strictly ensure that the module power matches the solar controller used!
If you have a module voltage which is significantly higher than the battery voltage, the charging current of the battery will be
higher than the given maximum current of the module due to the MPPT function. Example: A module with 36V and 5A charges a
12V battery with max. 15A. This means that an MPPTplus
Attention: If you use a solar controller whose charging power is too low, the solar controller may be damaged in the
long run!
Maximum module power:
12 V battery system voltage
24 V battery system voltage
Device addressing
+
The MPPTplus
series offers the option to control a total of 4 devices simultaneously via a touchscreen remote control (FB-
04/FB-05) or a webbox LCD. For this purpose, all the devices used must be connected with each other via the USB interfaces
and a unique address must be assigned to the respective device. The addresses are assigned via the DIP switches 1 and 2 on
the back of the device.
The following addresses will be assigned:
DIP switch 1
DIP switch 2
OFF
ON
OFF
ON
Note: A simultaneous use of webbox LCD and FB-04/FB-05 is not possible!
Standby function
If the standby function is activated, the MPPTplus
applied on the solar input. In this case, the own power consumption is <10 mA.
The power supply of the USB interface is also switched off, so that externally connected devices being supplied with power via
the USB connection are no longer functional.
If sufficient solar power is applied, the device switches automatically and immediately from standby mode to operating mode. In
this case, the solar voltage must be higher than the battery voltage. The button "Consumer on/off" can be used to reactivate the
device manually.
Battery being charged
+
MPPTplus
10 A
120 W
240 W
Device address
OFF
1
OFF
2
ON
3
ON
4
+
switches to standby mode after approx. 20s when no or insufficient voltage is
Battery full
+
20 A must be used for this module.
+
MPPTplus
20 A
240 W
480 W
9
Battery voltage low
+
MPPTplus
30 A
360 W
720 W
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