I/O Port
Pin Assignment of I/O Port
Sensor In
Pin NO. SENSOR IN
1
3.3 v
2
IN_8 –
3
IN_8 +
4
IN_7 –
5
IN_7 +
6
IN_6 –
7
IN_6 +
8
IN_5 –
9
IN_5 +
10
IN_4 –
11
IN_4 +
12
IN_3 –
13
IN_3 +
14
IN_2 –
15
IN_2 +
16
IN_1 –
17
IN_1 +
18
GND
Alarm Out
Pin NO. ALARM OUT
1
GND
2
OUT_8 –
3
OUT_8 +
4
OUT_7 –
5
OUT_7 +
6
OUT_6 –
7
OUT_6 +
8
OUT_5 –
9
OUT_5 +
10
OUT_4 –
11
OUT_4 +
12
OUT_3 –
13
OUT_3 +
14
OUT_2 –
15
OUT_2 +
16
OUT_1 –
17
OUT_1 +
18
3.3 v
Using the I/O Receptacle
Insert a small slotted screwdriver into the upper or lower
slot of the hole you want to connect a wire to (AWG No.
28 to 18). Hold down the screwdriver and insert the wire,
then release the screwdriver.
Caution
Do not use excessive force when inserting the
screwdriver into the slot. Doing so may result in
damage.
1
2
Repeat this procedure to connect all required wires.
Wiring Diagram 1 for Sensor Input
Inside of this unit
3, 5, 7, 9, 11, 13, 15, 17pin
(SENSOR IN+)
2.35 kΩ
2, 4, 6, 8, 10, 12, 14, 16pin
(SENSOR IN-)
Wiring Diagram 2 for Sensor Input
Inside of this unit
1 pin (VDD) (200 mA max)
3, 5, 7, 9, 11, 13, 15,
17pin
(SENSOR IN+)
Wire
Mechanical
2.35 kΩ
switch
2, 4, 6, 8, 10, 12, 14,
16pin
(SENSOR IN-)
18pin (GND)
GND
3
Outside
Sensor
device
Output:
3.3 to 24 V
DC
Outside
or
Open collector
output device
I/O Port
27