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Closed-Loop BMS Communication Integration Guide: WeCo Batteries & Morningstar
Introduction:
With over four million sold since 1993, Morningstar is recognized as the expert in charging technology throughout
the solar industry. As solar-plus-storage becomes more prevalent in mainstream installations, battery chemistries
are becoming more advanced—and battery makers are increasingly looking for ways to help their customers
maintain and protect their long-term investment.
Morningstar's Energy Storage Partner program (ESP) allows selected premium battery partners to offer additional
value and support for their customers by offering them a more proven, better documented and controlled storage
system. With energy storage typically accounting for a very large share of the overall system's cost, ESP helps
advanced chemistry battery manufacturers to provide the maximum level of assurance that system owners and
operators need.
BMS Communication Integration with Morningstar ReadyBMS:
The Morningstar
ReadyBMS
Integrated Series host device equipped with ReadyRail/ReadyBlock expansion technology. It delivers true closed-
loop control and communications with select lithium battery brands in Morningstar's Energy Storage Partner
program, delivering total peace of mind with charger and battery working together in a system.
This document provides essential instructions and recommendations for implementing closed-loop control and
communications with WeCo lithium batteries using the ReadyBMS accessory with Morningstar
controllers (GS-MPPT-60M-200V, GS-MPPT-80M-200V or GS-MPPT-100M-200V) as the host device. The same
setup procedure will apply to future host devices that are compatible with the ReadyBMS.
The closed loop communication and integration was developed and tested in tandem between WeCo and
Morningstar to provide safe, effective charging of the batteries with the following capabilities:
-
Improved charging control during absorption for high SoC with less stress on the battery
-
Increased battery capacity
-
maintains better health of the battery
-
Battery data monitoring including State of Charge (SoC) and State of Health
(RB-BMS) builds "lithium DNA" into any system equipped with a Morningstar
GenStar MPPT
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Related Manuals for Weco Morningstar ReadyBMS
Summary of Contents for Weco Morningstar ReadyBMS
- Page 1 ReadyBMS. The closed loop communication and integration was developed and tested in tandem between WeCo and Morningstar to provide safe, effective charging of the batteries with the following capabilities:...
- Page 2 300,000 batteries/year. WeCo collaborates with the best manufacturers of solar inverters and chargers. WeCo LT and XP batteries series can be monitored via the WiFi app and can be set via the Bluetooth APP. With third-party insurance, WeCo guarantees 120 months /7000 cycles.
- Page 3 Attach the end of the modified RJ-45 Ethernet cable that has the WeCo Battery Pinout to one of the RJ-45 CAN ports on WeCo battery and the other end of the Cable to one of the RJ-45 CAN ports on the BMSBlock. When installing multiple WeCo batteries in parallel, connect the RJ-45 cable to the Master battery.
- Page 4 Open Loop Configuration Information: It is recommended to configure the Morningstar/ WeCo system with closed loop operation. However, if for some reason the BMS communication is not working it is possible to use open loop settings. To switch over from Closed loop to Open Loop custom settings it is necessary to perform a “Factory Reset”...
- Page 5 Operation: The closed loop operation of the Genstar (and other future Morningstar host equipment) is implemented in real time with control signals sent to the controller from the WeCo BMS. This will include control of the following charging parameters. ● Target regulation voltage ●...
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