MPP Solar RS485 Quick Manual

BMS RS-485 Card/Box Quick Guide
Thank you for purchasing RS485 card/box. This manual contains instructions and warnings that
should be followed during the installation, operating and storage of the card. Please keep this
manual for further reference.
Applicable models:
Hybrid inverter 3KW, 4KW, 5KW and 5.5KW

3-phase hybrid inverter 10KW and 15KW

Single phase off-grid inverter 4KW/5KW

Split phase off-grid inverter 6KW

Online 48V 3KVA/5KVA/6KVA UPS

Before installation, please make sure this RS-485 card/box is compatible to your
existing inverter.

1. Product Introduction

If the inverter is built in intelligent slot, it can work with RS485 card by simply inserting the
RS485 card. RS485 external box can provide communication slot for the inverter without
intelligent slot. No matter it's RS485 card or RS485 box, it provides communication between
inverter and lithium battery.
Here are the detailed functions:
Via the communication between the inverter and lithium battery, it's able to re-configure

the charging voltage, charging current, battery discharge cut-off voltage and max.
discharge current, according to the lithium battery parameters.
Have unit start or stop charging according to the status of lithium battery.

Have unit start or stop discharging according to status of lithium battery.

Special Precautions
If this card/box must be stored prior to installation; storage must be in a dry place

The admissible storage temperature range is from -10ºC to +70ºC.
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