Huawei SUN2000-12KTL - Electrical Connection Safety; Operation Safety; Maintenance and Replacement Safety

8
Click
Pull the DC input power cables back to
ensure that they are connected securely.
Extension cables for DC terminals
Pin
Definition
Functions
Remarks
Pin
Definition
Functions
Remarks
1
485A1
-1
RS485A, RS485
differential
signal+
Used for
SUN2000
cascading or
connecting to
the RS485
signal port on
the
SmartLogger
2
485A1
-2
RS485A, RS485
differential
signal+
Used for
SUN2000
cascading or
connecting to
the RS485
signal port on
the
SmartLogger
3
485B1
-1
RS485B, RS485
differential
signal
–
4
485B1
-2
RS485B, RS485
differential
signal
–
5
PE
Ground point
on the shield
layer
N/A
6
PE
Ground point
on the shield
layer
N/A
7
485A2
Reserved
N/A
8
N/A
N/A
N/A
9
485B2
Reserved
N/A
10
N/A
11
N/A
N/A
N/A
12
N/A
13
GND
Reserved
N/A
14
N/A
15
DIN5
Reserved
N/A
16
N/A
Communications Port Signal Definitions for SUN2000-(8KTL–20KTL)-M2
Installing the Signal Cable for SUN2000-(8KTL–20KTL)-M2
1.6
Ensure that the protective
layer of the cable is inside
the connector, that excess
core wires are cut off from
the protection layer, that
the exposed core wire is
totally inserted into the
cable hole, and that the
cable is connected securely.
Communications Port Signal Definitions for SUN2000-(8KTL–12KTL)
No. Color Pin Description
1 White and orange RS485A, RS485 differential signal+
2 Orange RS485B, RS485 differential signal–
3 White and green PGND
4 Blue RS485A, RS485 differential signal+
5 White and blue RS485B, RS485 differential signal–
6 Green PGND
7 White and brown PGND
8 Brown PGND