Battery charger NG3
English
D01058-02
13
LED
Indicator
RED LED shows that the battery is in the initial charging phase.
YELLOW LED shows that the battery charger has reached 80% of charge.
GREEN LED shows that the battery has reached 100% of charge.
Further information can be found in the description of the Charging Curve.
Example
: RED LED on with brief blinks indicates a constant tension phase.
Alarms (Two-tone audible message)
An two-tone audible message and the flashing LED shows that an Alarm situation has occurred:
Condition Alarm
Type
Description
(Action)
Audible m
RED flash
Battery Presence Battery disconnected or not in conformity. (Verify the
connection and the nominal voltage).
Audible m
YELLOW flash
Thermal Sensor
The thermal sensor is disconnected during the re-
charge or it is out working range. (Verify the
connection of the sensor and measure the
temperature of the battery).
Audible m
GREEN flash
Timeout
Phase 1 and/or Phase 2 have a duration in excess of
the maximal allowed. (Verify the battery capacity).
Audible m
RED-YELLOW flash
Battery Current
Loss of output Current control. (Failure of the control
logic).
Audible m
RED-GREEN flash
Battery Voltage
Loss of output Voltage control. (Battery disconnected
or failure of the control logic).
Audible m
YELLOW -GREEN flash
Selection
An unavailable configuration has been selected
(Verify the selector’s position)
Audible m
RED-YELLOW-GREEN
flash
Thermal
Overheating of semiconductors. (Verify the fan
operation).
When there is an alarm the battery charger stops supplying current.
Thermal Sensor and/or External Indicator
Thermal Sensor and/or External Indicator are Options that have to be connected to the 5 poles socket
180°.
Unless otherwise stated, the compensation of the Battery Voltage in
function of the temperature of the Thermal Sensor is of -5mV/°C for
battery cell.
The control range of the Thermal Sensor goes from -20°C to +50°C.
The External Indicator reflects exactly the LED Indicator which is placed
on the equipment.
Further information can be found in the description of the Charging Curve.
100%
START
80%
80%
English
Battery charger NG3
14
D01058-02
CURRENT
50%
100%
Auxiliary
Contacts
Technical Features: changeovers contacts
0,3A 125VAC
0,3A 110VDC
1A 30VDC
Connector:
faston 6,3
×
0,8 mm
Unless otherwise stated, the auxiliary contacts provide the following functions:
Section Function
Description
AUX1
Mains Presence
When the equipment is switched on, the contact
Normally Open (NO) CLOSES and instead the contact
Normally Closed (NC) OPENS.
AUX2
End of charge or
Trickle Phase
When the Stop Phase or the No Stop Phase is reached,
the contact Normally Open (NO) CLOSES and instead
the contact Normally Closed (NC) OPENS.
LED
Bar
Graph
The LED Bar Graph is an Option that shows a percentage indication of output current in
comparison with its max. value
Battery
A battery is characterised by two sizes: tension and capacity.
Tension:
Each element has a nominal tension, which depends on the type of battery (no
matter what size).
In order to reach higher tension, many elements are connected in series, so
creating a “BATTERY” of elements.
The number of elements is calculated by dividing the nominal tension of the
battery for the tension of each single element in the table:
Capacity:
It is the quantity of electric charge that the batteries can supply to an external circuit before the tension
decreases under the final limit value and it is obtained by multiplying the intensity of the discharging
current
I
, expressed in ampere (
A
), for the discharging time
t
expressed in hours (
h
):
C = I x t
The traction battery capacity is normally referred to the discharging system of 5h:
C5 = I x 5h.
The capacity values that can be recharged by the battery chargers can be found in the description of the
Charging Curve (this value is not present in the curves able to charge any capacity).
:
This device is in conformity with the Low Voltage directive 73/23/EEC
and EMC directive 89/336/EEC and their further modifications.
NO
C
NC
NO
C
NC
AUX2
AUX1
Type
Nominal
Tension
Pb 2
V/cell
NiCd 1,2
V/cell
NiMH 1,2
V/cell
NiZn 1,714
V/cell
