
14
MLI Ultra 12/1250, 24/1250
– User and Installation Manual
1. Remove the DIP switch cover by loosening the four screws.
2. Use a small screwdriver to carefully change the DIP switch position.
3. Replace the DIP switch cover and fasten with the screws. Make sure that the rubber band is placed
correctly, to make it watertight.
Configuration in a MasterBus network
A display like the SmartRemote or EasyView 5, can be used to monitor the MLI Ultra. Advanced
configuration can be done in MasterAdjust, from a Windows laptop or notebook connected to the MLI
Ultra via a Mastervolt USB Interface. The following tables list the parameters as shown in MasterAdjust.
Monitoring tab
Menu
Description
Battery/Cluster
State of charge
Battery state of charge in %
Time remaining
Time of battery use left at the actual load in hh:mm:ss
Voltage
Battery voltage measured by the cell management system
Current
Current measured by the cell management system
Positive value: charging, negative value: discharging
Temperature
Internal temperature of the battery in °C
Battery switch
Switch close
Button to close the battery switch.
Switch open
Button to open the battery switch.
Switch state
State of the battery switch: open / close / unknown
Note:
you need to login as installer to see all following parameters.
Installer
Battery safety
Indication of the occurrence of a Battery Safety event
Stop charge
Indication of the occurrence of a Stop charge event
MB power state Indication whether MasterBus powering is on or off
Heater
This checkbox is marked when the heater is on
Aux. relay close Closure of relay wire pair 4&5 of the auxiliary cable
Aux. relay open Opening of relay wire pair 4&5 of the auxiliary cable.
Voltage
Cell 1 … 8
Voltage of the individual cells
Balancer
Balancer 1…8
Indication of balancing of the individual cells
Temperature
Temperature
Temperature of cells 1, 2-3, 4-5, 6-7, 8
Alarms tab
Menu
Description
Generic
Battery safety
Indication of the occurrence of a Battery Safety event
Overcurrent
Battery current too high
Short circuit
Indication of a short circuit in the MLI Ultra
Capacity low
This alarm is raised when the State of charge (SoC) drops below a preset value
(10% by default)
Cap. Very low
Indicates that the State of charge drops below a preset value (0% by default)
Note:
you need to login as installer to see all following parameters:
BMS failure
BMS error