Pin Assignment and Use of
I/O Port
Pin assignment of I/O port
10
9
8
7
Pin
Pin name
No.
1
Sensor In 1 –
2
Not connected
3
Alarm Out 1 –
4
Alarm Out 1 +
5
Alarm Out 2 –
6
Alarm Out 2 +
7
GND
8
GND (RS-232C)
9
RXD (RS-232C)
10
TXD (RS-232C)
22
GB
Specifications
6
5
4
3
2
1
Using the I/O receptacle
While holding down the button on the slot to
which you want to connect the wire with a
small slotted screwdriver, insert the wire
into the slot. Then release the screwdriver
from the button.
1
1 0
9
Slotted
screwdriver
Wire
2
1 0
9
Repeat this procedure to connect all
required wires.
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1