Battery Communications Integration Guide

01 JUNE 2022 V 2.6 6

Modbus/RS-485 Battery Screen

The image below depicts the screen shown under “Settings > LI Batt Info” when

communications are enabled for Modbus/RS-485 batteries (All other “BMS Lithium Batt”

modes).

1. Battery Voltage: Real-time voltage measured at the battery terminals.

2. Battery Current: Real-time current into (positive) or out of (negative) the battery.

3. Battery Temp: Real-time temperature measured at the BMS.

4. SOC: State of charge remaining in the battery according to the BMS.

5. Total Capacity: Total Amp-Hour capacity connected to the inverter. Not present for

all batteries.

6. Battery Charge Voltage: Maximum voltage the inverter should charge the battery to.

7. Battery Empty Voltage: Minimum voltage the inverter should discharge the battery

to.

8. Charge Current Limit: Maximum allowable current into the battery.

9. Discharge Current Limit: Maximum allowable current out of the battery.

10. Alarms: Displays any alarm codes coming from the battery (manufacturer specific).

11. Battery Data Chart: This table displays individual information from each connected

battery up to a maximum of 12 batteries. Not all manufacturers utilize this feature.

o NOTE that line one (1) is never populated for any manufacturer. The first battery

is always displayed on line two (2).

10.

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