Hanwei BS03 - Page 10

BS03 fixed gas detector operation manual
7
A. If the output signal is 4-20mA signal, then the terminal definitions are as
below:
NO.
mark
function
spec
1
L-Alarm
Low alarm output
Switching value
2
L-Alarm
Low alarm output
3
24V
Power input
DC24V±25%
4
GND
Power input
5
Iout
Current ouput
4～20mA
6
NC
—
—
7
H-Alarm
High alarm output
Switching value
8
H-Alarm
High alarm output
9
24V
Power input
DC24V±25%
10
GND
Power input
11
Iout
Current output
4～20mA
12
NC
—
—