53
Energy Meter Installation
12.7 EM540, Carlo Gavazzi (Single-phase)
1
Energy Meter Wiring
Q.VOLT
Load
(Off-grid)
Grid
RS485_NEG RS485_POS
1
2
N
L1
Grid (Mains)
Utility Meter
Q.HOME CORE CB
Critical Load CB
Load CB
kwh
kW
h
ToT
Rx Tx
8 9
4
RS485
INPUT
GND
N
1
N
N
L1
Main CB
Main Load
Critical Load
7