Kaco Powador 3200 Operating Instructions Manual page 13

D escri p ti o n
3.2.6 Mechanical components
3.2.6.1 DC disconnect
There is one DC disconnect inside the inverter housing. The DC disconnect is used to disconnect the inverter from
the PV generator in order to carry out service.
Figure 6: DC disconnect
3.2.6.2 Night start button
The unit switches off in the evening as nightfall approaches. At this point, nothing is shown on the display. In order
to retrieve the values from the current day (daily yield, daily hours of operation and max. feed-in power) after
the display switches off , the unit can also be activated during the night by pressing the night start-up key on the
underside of the inverter.
Figure 7: Night-start interface on the inverter
3.2.7 Interfaces
The inverter has the following interfaces for communication and remote monitoring:
• RS232 port
• RS485 interface
• S0 interface
You confi gure the interfaces in the Settings menu (see section 8.3 on page 39).
3.2.7.1 RS232 port
Use this monitoring variant if you wish to manage operating data directly on a computer. The data can be processed
with standard spreadsheet programs.
The inverter and computer are connected with a serial 1:1 interface cable.
The cable length should not exceed 20 metres.
The data from the inverter is sent unidirectionally as pure ASCII text over the serial interface. The data is not checked
for errors.
The RS232 interface has the following parameters:
Baud rate Data bits
9600 baud 8
Table 1 on page 14 shows an example of a few lines of data transmitted over the RS232 interface
Operating Instructions Powador 3200-6600_EN
Parity Stop bits Protocol
None 1 None
Disconnecting the inverter from the PV generator
 Switch the DC disconnects from 1 (ON) to 0 (OFF).
Connecting the inverter to the PV generator
 Switch the DC disconnects from 0 (OFF) to 1 (ON).
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