22
5.4.4 Connection of meter terminal
When customer needs to use meter to monitor the energy flow, the meter terminal
connection steps are as follows:
Step1: Reference 5.2, make LAN cables with RJ45 terminal.
Step2: Thread the swivel nut over the LAN cable.
Step3: Press the cable support sleeve out of the cable gland.
Step4: Remove the filler plug from the cable support sleeve.
Step5: Route the LAN cable through an opening in the cable support sleeve.
Step6: Thread the LAN cable through the cable gland.
Step7: Insert the RJ45 plug of the network cable into the “METER” pin connector on the
inverter until it snaps into place.
Step8: If no other cables need to be installed, lock the waterproof cover to the inverter
with screws.
Step9: Screw the swivel nut onto the waterproof cover.
Note
：
1. Meter must be provided by Growatt. If not, maybe meter can't communicate with SPA
inverter.
2. The more detail describe of meter installation, please turn to meter user manual.
Chart 5.23
Chart 5.24
21
Chart 5.25
Chart 5.26
Remark:
Meter wire (15m in length) specification: RJ45, standard LAN line (one end with 8P
modular plug, the other connected with transformer). But if the length is not enough,
customer can add cable, so the length can be increased to 25m max, the operation is as
follow chart:
5.4.5 Connection of communication terminal for lithium battery (CAN)
When using CAN communication with lithium batteries, connect lithium battery terminal
(RJ45) steps as follows:
Step1: Unscrew the swivel nut from the cable gland.
Step2: Thread the swivel nut over the “CAN” cable.
Step3: Press the cable support sleeve out of the cable gland.
Step4: Remove the filler plug from the cable support sleeve.
Step5: Route the “CAN” cable through an opening in the cable support sleeve.
Step6: Thread the “CAN” cable through the cable gland.
Step7: Insert the RJ45 plug of the network cable into the “CAN” pin connector on the
inverter until it snaps into place.
Step8: If no other cables need to be installed, lock the waterproof cover to the inverter
with screws.
Step9: Screw the swivel nut onto the waterproof cover.
AC
coupled
