13
4.3
4.3
4.3
4.3 Terminals
Terminals
Terminals
Terminals
4.3.1
4.3.1
4.3.1
4.3.1 Terminal
Terminal
Terminal
Terminal of
of
of
of Basic
Basic
Basic
Basic Unit
Unit
Unit
Unit
No.
No.
No.
No.
Mark
Mark
Mark
Mark
Definition
Definition
Definition
Definition
1
NC
Null
2
N/-
Negative wire, Aux. power supply AC/ DC 220V
3
L/+
Positive wire, Aux. power supply AC/ DC 220V
4
V1
Phase A voltage
5
V2
Phase B voltage
6
V3
Phase C voltage
7
VN
Voltage neutral line
8
485-
RS485 com port-1, negative wire
9
485+
RS485 com port -1, positive wire
10
RL21
Relay output 2, positive
11
RL22
Relay output 2, negative
12
RL11
Relay output 1, positive
13
RL12
Relay output 1, negative
14
SG
Digital input, common earth
15
S3
Digital input 3, positive
16
S2
Digital input 2, positive
17
S1
Digital input 1, positive
18
I1+
In line, phase A current
19
I1-
Out line, phase A current
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