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4. Comm. & Monitoring
4.3 Meter Connection
The inverter can work with a three phase smart meter to achieve Export Power Management
function and/or 24hour consumption monitoring function.
The Pin 1 and Pin 2 of the 16-Pin COM port are used for Meter RS485 communication.
Pin 1&2 on the 16-Pin Connector
INV L1
INV L2
INV L3
INV N
INV PE
L1 L2 L3 N PE
Figure 4.12 Direct Insert Type Meter - "Meter in Grid"
.32.
Pin
Definition
1
Meter RS485-A
Meter RS485-B
2
Figure 4.11
A
B
21 22 1718 19 20
L1
L1'
L2
L2' L3
L3'
N
Load
Pin 1&2 on the 16-Pin Connector
Grid L1
Grid L2
Grid L3
Grid N
Grid PE
4. Comm. & Monitoring
INV L1
INV L2
INV L3
INV N
INV PE
A
B
21 22 1718 19 20
L1
L1'
L2
L2' L3
L3'
N
Figure 4.13 Direct Insert Type Meter - "Meter in Load"
UaUb Uc N Ia* Ia Ib* Ib Ic* Ic
Pin 1&2 on the 16-Pin Connector
INV L1
INV L2
INV L3
INV N
INV PE
L1 L2 L3 N PE
Load
Figure 4.14 External CT Type Meter - "Meter in Grid"
Grid L1
Grid L2
Grid L3
Grid N
Grid PE
L1 L2 L3 N PE
Load
A
B
21 22 17 1819 20
Grid L1
Grid L2
Grid L3
Grid N
Grid PE
CT Arrow
Grid
.33.
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