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101
EN
· Connection
Remove the cover of the solar inverter
before connecting an interface cable. Pay
heed to all safety hints (Pages 90 and 91).
You will find the necessary cable terminal
block with the RS 485+, RS 485-, GND_G,
TX, RX, GND_G, TX 2, RX 2 connections on
the board in the centre, bottom left
(see figure on the left). Note the following
terminal configuration:
RS 232: GND, RX, TX
RS 485: RS 485+, RS 485-
(The remaining signals, TX2 and RX2, are
only for service purposes.)
Use a small screwdriver. Press the orange
terminal. The terminal will open.
Insert the cable stripped to a minimum of
11 mm into the respective terminal hole.
Release the screwdriver. The cable is fixed
in the connection.
Once again, check that the cable connec-
tion is firmly located.
Seal the unrequired cable glands by
placing a spare piece of cable in the gland
hole and tightening with the screw clamp.
Please heed the description on the
Sunways NT Monitor software in
Chapter 3.2.