Owner's Guide

what is programmed for the maximum current limit of the charge controller (the default
is 80 A for Conext MPPT 80 600, and 100 A for Conext MPPT 100 600).
n Synchronized charge states are active when more than one charging device (the
charge controller or Conext XW+ or Conext XW Pro Inverter/Charger), is connected
in the battery system and a common Xanbus network.
l The first charging device to enter bulk causes all other Xanbus connected
devices to enter bulk.
l The first charging device to enter absorption causes all other Xanbus
connected devices to enter absorption.
l The last Conext XW+ or Conext XW Pro Inverter/Charger that is ready to exit
absorption triggers all Xanbus connected devices to exit absorption and enter
float.
Two-Stage Battery Charging
The two-stage charging process includes the bulk and absorption stages only. There is
not a float stage. The relationship between charging current and battery voltage during
the two-stage charging process is shown in Figure 3.
No Float State
During the no float state the charge controller does not produce any charge voltage and
cannot supply any current. Instead, the charge controller monitors the battery voltage and
transitions back to the bulk stage once the voltage drops below the recharge voltage
setting for one minute.
Note:For more information about battery charging settings, see Table 1 on page 31, on
page 31.
Conext MPPT 80 and Conext MPPT 100 Owner’s Guide Introduction
25 This document is for use by qualified personnel 990-6214B