HL Series – Instructions manual
33
CONNECTORS PLAN
Connector “
A
”: 7-pin female connector for optional and accessories.
Connector “
B
”: 2 -pin female connector for power supply.
Connector “
C
”: 5 -pin female connector for the connection of load cells.
CONNECTOR “A” – 7-PIN FEMALE CONNECTOR FOR OPTIONAL DISPLAYS AND ACCESSORIES
C
ONTACT
F
UNCTION
1
+ 12 Volt cc (max 2 A)
2
Not used
3
Rx serial RS232 repeater display
4
Tx serial RS232 repeater display
5
+12 V cc (with passage for on\off contact- max 0.5 A)
6
Out Alarm
7
-12 V GND (common power supply)
CONNECTOR “B” – 2 -PIN FEMALE CONNECTOR FOR POWER SUPPLY
CONNECTOR “C” – 5 -PIN FEMALE CONNECTOR FOR THE CONNECTION OF LOAD CELLS
C
ONTACT
F
UNCTION
A
+12 V cc, Positive power supply
B
-12 V common - GND, negative power supply
C
ONTACT
F
UNCTION
A
Negative signal
B
Positive power supply
C
Positive signal
D
Negative power supply
E
Not used
A
D
C
E
B
A
D
C
E
B
1
7
4
3
5
2
6
1
7
4
3
5
2
6
B
A
B
A
A
B
C
