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• Pin Definition of Communication Ports:
1) Pin definition of RJ45 for connecting CT and inverter:
Pin
Pin Definition L1_CT+ L1_CT- L2_CT+
* PIN 3, 6, 7, 8 is null for single-phase. Pin 4 & 5 are for connecting inverter.
** When connecting with inverter, make sure not to use all-pass eight-core
communication cable, please use with the white inverter connector or use two-core
cable instead.
2) Pin definition of RS485 for connecting meter:
Pin
Pin Definition
• Connection method (Connect as the actual application scenario needed):
1) Communication with CT:
For CT side:
L wire
If extended communication cable is needed:
CT
11
(To be continued)
58
1
2
3
a
b
GND
A2
Grid
RJ45 connector
(black)
4
5
A1
B1
c
B2
Note:
1. The arrow on the CT must point at the public grid.
2. When using the three-phase CT, please clip the CT
clamps on the corresponding phases (CT-R must be
connected to grid L1, CT-S connected to grid L2, CT-T
connected to grid L3).
6
7
L2_CT- L3_CT+ L3_CT-
a
EV-Charger
8
b
c
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