FIG. 3A
CONTROL SIGNALS
The battery charger is provided with a 9-pin female D-shell connector (DB9 connector, see fig. 3A) which
indicates the signals which can be used for monitoring and controlling the equipment.
The position and description of the signals on the connector are listed below:
FEMALE CONNECTOR (DB 9)
PIN
DESCRIPTION
1
CAN BUS terminator (124 ohm)
2
CANL signal - CAN BUS interface
3
Battery charger negative
4
Reserved
5
Earth
6
Reserved
7
CANH signal - CAN BUS interface
8
Basic state of the battery charger (+V output, 20mA max)
9
+5Vdc (5mA max)
BASIC STATE OF BATTERY CHARGER
PIN 8 CONNECTION
HIGH IMPEDENCE
+V OUTPUT
For a wiring example of control signals look at figure 3B.
C
C
A
A
N
N
1
1
STATE
OFF OR PROBLEMS PRESENT
ON OR NO PROBLEMS PRESENT
INSTALLATION
FIG. 3B
1
6
2
7
3
8
4
9
5
8
BASIC STATE
GB
3
23