MP73P+ : Battery charger/analyser
Operators Manual
3.3
Charging With The Cell Monitor
3.3.1
Cell Monitor CC Charge
In the constant current charge mode using the cell monitor interface the charge will
take place at the predefined constant current until all the cells have reached the target
set point typically 1.55V. At which time the charge rate will change to the additional
time rate and the charge will continue until the additional time has elapsed. If at any
time during the charge any cell voltage exceeds the cell overcharge voltage typically
1.65V the charge will stop. If a printer is connected to the unit the cell voltages can be
printed at predefined timed intervals or can be printed by simply pressing the
‘.’
key. If
a printed report is required at the end of the charge, the final cell voltages will be
included.
3.4
Discharging With The Cell Monitor
3.4.1
Cap Test Cell Monitor
This capacity test mode allows you to discharge the battery at the required current for
your pre-selected time until one cell goes below a predefined target voltage typically
1.00V at which point the discharge stops and the battery capacity can be seen. If a
printer is connected to the unit the cell voltages can be printed at predefined timed
intervals or can be printed by simply pressing the
‘.’
key. If a printed report is required
at the end of the capacity test the final cell voltages will be included.
3.4.2
Automatic Cell Balance
This mode allows you to set a predefined discharge current to flatten the battery and to
perform an automatic cell balancing exercise. While during the discharge any cell
approaches 0.00V its balancing resistor will be switched in to reduce the reverse charge
effect. When the battery voltage falls below 3.0V and the discharge current falls below
2.0A the cell-monitoring interface will automatically switch in all the balancing resistors
and will remain it that state until either the
‘CLR’
key is pressed or the
Discharge
Time
elapses.
3.5
Cell Monitor Extended Display
When performing a charge or capacity test the display will always default to showing
the main process conditions, but when the cell monitor is in use there are two
additional displays which give the operator a list of cell voltages at the instant in time or
a graphical bar display of the cell voltages. The alternative displays are viewed by
pressing either of the
‘A’
,
‘B’
or
‘C’
keys on the keypad.
The
‘A’
key changes the display to the main process conditions:
The
‘B’
key changes the display to the full 20-cell voltage list:
The
‘C’
key changes the display to a bar graph of cell voltages:
Doc: DWG1042-12-R18 MB73P+ Operators manual.odt
Page 16 of 64
Copyright Material of Intelligent Charging Limited © 2020
Printed On : 29/11/20
