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2.3.1 Other connections
The solar chargers are equipped with a few additional in- and outputs, plus an internal setup button.
Please see below for the locations and further information:
1.
Intended for future use. Do not connect to any accessory or other device.
2.
Expansion port, intended for future use. Do not connect to any accessory or other device.
3.
Battery temperature sensor connector.
4.
Intended for future use. Do not connect to any accessory or other device.
5.
Connector for internal alarm relay. Please see below the contact order:
The alarm relay will be triggered (C connects to NO) when a
battery under- or overvoltage limit has been exceeded. When the
battery voltage is in normal range, the relay contacts are in the
position as indicated on the left (C connects to NC). The relay
contact specifications are 10A @ 230Vac or 30Vdc.
6.
Setup button. This button can be used to select a different battery type, or to reset the solar
charger back to factory default settings.
2.3.2 Detachable display for remote use
The display module attached to the front panel can be detached easily by removing the two screws.
This allows the display module to act as a wired remote control. The interconnection cable between
the solar charger and the display module is a straight wired (1:1) 9 pole DSUB9 male to DSUB9
female cable. This is a standard serial communication cable that is widely available. The maximum
advised cable length is 10 meter.
