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4.11.2 Meter Communication
The Acrel AGF-AE-D energy meter comes with the inverter. Please use the diagram below
to connect the meter communication wires to the Meter_A and Meter_B pins on the
inverter communication terminal block.
Figure 4.17 Meter (Acrel AGF-AE-D)
Note
:
The CTs are must be installed facing the right
direction, otherwise the inverter will not
function normally. The CT arrows must face
towards the grid (labels away from the grid).
PV strings
Battery
S6-EH1P(3.8-11.4)K-H-US
Meter
RS485
A
B
Back-up
L1
L2
PE
Critical Load
240V L1-L2
120V L1-N or L2-N
L1
L2
N
L1
PE
L2
L1
N
PE
240V Load
120V Load
CT direction
towards to grid
N
L1
L2
PE
Grid
CT1
CT2
N
Grid
Note:
COM1 and COM2 conduit knockouts are for 1/2” cable glands or conduit
fittings. Please be sure to not run com cables in the same conduit as high
voltage conductors. Doing this could cause communication issues.
Note:
Communication Terminal Connection Steps:
1. Use a technician screwdriver to press the
block on the top.
2. Insert the exposed copper part of the
cable into the terminal.
3. Remove the screwdriver and the terminal
will clamp down on the exposed copper.
4. Give the cable a gentle tug to ensure that
it is firmly secured.
4. Installation
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