ON ON
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KACO watchDOG quick start
watchDOG Card Installation
1. Turn off the PV system by setting the
AC/DC switch to the off position.
2. Remove the bottom cover of the inverter.
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2
ON ON
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CAUTION!
HAZARDOUS VOLTAGE
Before opening disconnect the
PV generator and the grid.
Note the order of the electrical connection.
1. Disconnect and verify AC and DC
wiring is not energized
2. GND
3. N
4. L1 and L2
5. Interfaces
6. Return
7. Hot
Disconnect in reverse order
3. Use the supplied ribbon cable to connect
the watchDOG to the connection terminal
on the left side of the card.
4. Install the card in the left upper corner
as shown. The two upper holes of the
watchdog should snap into the upper
nylon standoffs.
5. Using the two screws supplied with the
watchDOG card, secure the
card to the two standoffs through the
bottom two holes.
6. Move either of the two dip switches into
the ON position if a single inverter is
3
R9
ACT
R8
D5
R22
LNK
D4
APPL
R21
D3
COMM
R20
D2
S
D1
5
4
6
connected. If multiple inverters are used
please make sure ONLY the last inverter
(furthest from the watchDOG) has one
switch in the ON position.*
*(Refer to Section 5.7 in the Inverter installation manual for the RS485 addressing &
wiring between inverters)
KACO watchDOG quick start
Connecting the watchDOG to the Web
1. Make sure the inverter is turned off.
2. Connect Ethernet cable to the Ethernet port.
3. Turn the inverter back on with the AC/DC switch.
4. The card will go into a boot process for a couple minutes.
5. If successful the RED LEDs will show a constant stream of blinking from top to
bottom and bottom to top.
6. Close the disconnect cover of the inverter and the installation is complete.
7. Now visit the www.kaco-newenergy.com homepage and register your new
hardware*. You will find this on the right side of the page just under “Your PV
Plant login”.
The watchDOG has 5 LEDs and one reset button. When looking down onto the
watchDOG card, the LEDs are placed in the following order from back to front:
ACT LED is on whenever data
link activity is detected
LINK LED on if a working
Ethernet connecting is present
R20
R21
R22
R9
R8
D2
D1
D4
D3
D5
S
ACT
LNK
APPL
COMM
APPL LED will indicate how
many inverters are connected
to the system
COMM LED indicates any
communication to the server
* Registration of the watchDOG is required to receive a log in
and password to your blueplanet web portal. Your login and
password information will be emailed within 24 hours.
SYS LED will indicate if a
reboot request is in process
For technical assistance please call KACO technical support
Monday - Friday, 8AM - 6PM at +1 (866) 522 - 6765
KACO watchDOG quickstart - specifications and guidelines subject to change without notification. 3300345-2020-102812
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