INSTALLATION | Communications
Doc #OI0003 Part #004122 Rev19 2014
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RS232 serial communications
To enable communications with legacy interfaces the SP PRO has two RS232 ports.
RS232 Port 1 is provided on either a RJ45 connector or DB9 connector. Only one of these options may be
used at any one time and neither can be used when the USB option is connected.
RS232 Port 2 is only provided on a RJ45 connected. This port can only be used when the RS485 Port 2 is
not in use.
Below is a summary of available optional communication interfaces
Option name
Function
Wireless SP PRO to SP LINK
(Stock code 004859)
Wirelessly connect the SP PRO to the USB port of the PC running
SP LINK
Ethernet Adaptor - LAN
(Stock code 005081)
Connect the SP PRO to a Local Area Network (LAN). Allows any
PC connected to the LAN to communicate via SP LINK.
Ethernet Adaptor - Internet
(Stock code 005081)
Using the same Ethernet adaptor the SP PRO can be connected
to the Internet. This requires configuration of the router and
advanced knowlege of networks.
Wireless RS485
(Stock code 005075)
Provides wireless communications between SP PRO and KACO
inverters in a managed AC coupled system
USB communications
All SP PRO inverters come standard with a USB “B” interface to communicate with a PC running SP LINK.
To use the USB communications interface simple install and run SP LINK on a PC, turn on the SP PRO
inverter and connect it to the PC via the supplied USB cable.
The details of the connected inverter will appear in SP LINK under the “Connection settings” tab. Click the
“Connect” button and SP LINK will be connect to and will communicate with the SP PRO.
NOTE: When the USB port is being used, both the RS232 Port 1
connectors (the RJ45 connector inside the SP PRO and the DB9
connector at the base of the SP PRO adjacent to the USB port)
are unavailable and all communications devices connected to
these ports must be removed.
