KACO blueplanet 1502x - Manual (Page 20)

Page 20 blueplanet Installation Instructions 1502x - 5002x
(B) Connecting the S0 output
The inverter is equipped with an S0 pulse output. Items
such as a large display can be connected to it. The pulse
rate is adjustable (see section 5.9, “Parameter program-
ming”).
(C) The RS485 interface connection
The connection terminal (Figure 5.15) is on the blue-
planet communication circuit board. To connect sev-
eral blueplanet inverters, terminal A of one blueplanet
is connected to terminal A of the other blueplanet.
Terminal B is connected in the same manner. A twisted,
shielded data cable is required for this. The connec-
tion to the KACO proLOG is established similarly to the
interconnection of inverters. A connection diagram is
displayed in figure 5.21. The total length of the RS485
wiring should not exceed 4,000 feet. Proper polarity
must be maintained or devices will not be able to com-
municate.
Figure 5.16: Connection diagram for the RS485 interface using
the KACO proLOG
In figure 5.15, a terminating resistor (R
a
) is connected to
the last inverter in the chain. For proper signal transmis-
sion, the last unit in a chain must have a terminating
resistor.
The terminating resistors in the other inverters of the
chain must be deactivated (set to “OFF”). In the last unit
of the chain, switch “1” is set to “ON” and switch “2” is
set to “OFF”. The switch is on the communication circuit
board above the terminal block (Figure 5.14).
With a bus system such as the RS485, each unit shar-
ing this bus must possess a unique address, regardless
of whether it is an inverter or any other device. The
exception is the monitoring device which is the master.
This unit does not need an address. For inverters, the
address range can be selected between 1 and 32. You
can define the address for each inverter using the con-
figuration menu (see Operating Instructions).
IMPORTANT
Ensure that the A and B wires are properly connec-
ted. Communication is not possible if the wires are
reversed.
5.8 Starting up the inverter
After completing the mechanical and electrical installa-
tion, the inverter is put into operation as follows:
NOTE
The inverter can be put into operation only under
daylight conditions (i.e. at a solar generator voltage
of > 100 V). If no daylight or solar generator voltage
is present, the inverter can be activated by pressing
the night start key if there is AC voltage present (see
section 4.4 in the Operating Instructions). However,
normal operation is not possible in this condition.
Only the values can be read off the display.
ACTION
- Assure voltage supply
- Switch on the external AC/DC disconnect switch
(O → I).
During the initial start-up, the corresponding country
and language must be selected. Select the appropriate
language using the ‘2’ (right) key, press the ‘1’ (left) key
to advance to the country selection. Press the ‘2’ key
to advance through the various grid types. Once the
proper grid type is selected press the ‘1’ key then press
both the ‘1’ and ‘2’ keys at the same time to save the
settings. If the improper grid settings were selected,
hold down the ‘2’ key to start the process again.
Section 5 · Installation and Start-Up
NOTE
If the power is cycled or 10 minutes elapse the set-
tings for the grid type are locked and a password will
need to be obtained from tech support.
The top green LED “OK” lights when DC voltage is
available and indicates that it is ready to be put into
operation. The display now indicates the current PV
generator voltage “Start from xx V, meas.: xxx V”. If the
measured voltage is greater than the starting voltage,
the unit will start grid-feeding after a country-specific
waiting time. This start-up waiting period is required in
order to ensure that the generator voltage is continu-
ously above the power delivery limit of 125 V (1502x) and
200 V (2502x, 3502x, and 5002x).
A quick start routine is provided for startup and test
purposes. This routine circumvents the start-up delay
period. This quick start routine is found in the configu-
ration mode menu (see Operating Instructions).
During the normal start-up procedure, the line relays
audibly switch on after a country-specific waiting time
and the feeding of the grid starts. This is indicated by
the middle green LED with the house and power line
symbol next to it. The display now shows the power
being fed into the grid. Key ‘1’ (left) can now be used
to display the various measured values (see Operating
Instructions section 4.4).
blueplanet proLOG
AA BB
blueplanet
AA BB
blueplanet
AA BB AB
DSL or
Ethernet
120V AC
Max. 32 inverters