Installing The Rs485 Communications Cable - Huawei SUN2000-50KTL-M0 Quick Manual

Installing a DC Input Power Cable (Using Metal Stamping Forming Contacts)
Positive metal contact
Negative metal contact
Recommended: PV cable
that meets the 1100 V
standard.
•
If the voltage is a negative value, the DC input polarity is incorrect. Correct the polarity.
•
If the voltage is greater than 1100 V DC, too many PV modules are configured to the same
string. Remove some PV modules.
4.6

Installing the RS485 Communications Cable

•
When routing communications cables, separate communications cables from power cables to
prevent communication from being affected.
•
An RS485 cable can connect to either a terminal block or an RJ45 network port. It is
recommended that the RS485 cable connect to a terminal block.
H4TC0003
(Amphenol)
Ensure that the cable
cannot be removed after
crimped.
Click
Use a multimeter
to measure the
DC voltage.
12
Positive connector
Negative
connector
Click
Ensure that
the locking
nut is
secured.
H4TW0001
(Amphenol)