Connection Of Communication Cables; Rs485 Port - Growatt MAX 80-150KTL3-X LV Series Installation & Operation Manual

5>Decide the length of peeling base on cable terminal, use the wire stripper to
connect cable and terminal, and separately connect to specific connector.
6>Connect the positive and negative poles to inverter terminals, different inverter's
maximum single string input current please refer to following table.
Inverter model
MAX 80-150KTL3-X LV/MV
7. Cable specifications:
Inverter model
MAX 80-150KTL3-X
LV/MV
Notice：1. Under any circumstance, the total current of all strings cannot exceed the
inverter's maximum current.
2. Do not touch any working solar panels.
3. Make sure the cable is unbroken.

6.3 Connection Of Communication Cables

6.3.1 RS485 port

RS485 can be used for single inverter communication also can be used for multiple
Inverters (Maximum 32 inverters) , the longest distance is 500 meters, high speed
(Baud rate 38400) , the communication port as following.
485 can be used for single inverter communication also can be used for multiple
Fig 6.5
Max. single string input current
Cross-sectional area
(mm )
4-6
26 / 56
编号：GR-UM-C -00
16A*2
Recommendation
(mm²)
4
Cable outer
diameter(mm)
4.5-7.8