Figaro TGS2611, Приложения к руководству пользователя

Страница: 8 / 8

Revised 08/03
8
APPLICATION NOTES FOR TGS2611
IC
1
R
L
R
1
SENSOR
Alarm signal
(Active "L")
Power Supply
(AC10V / 80mA)
+
+
-
-
+
-
+
C
3
D
6
Tr
IC
2
1/4
2/4
1/2
+
-
3/4
+
-
4/4
Malfunction signal
(Active "L")
+
+
+
R
2
R
3
R
9
R
5
R
6
R
8
R
7
R
4
R
10
R
11
R
12
R
15
R
TH
D
7
C
4
C
2
C
1
IC
3
+
-
2/2
~
D
1~4
R
13
R
14
1 4
3 2
(Note: "L" output also occurs during initial delay)
Initial delay: approx. 2.5 minutes Alarm delay: approx. 15 seconds
D
5
tr
a
P
.
o
N
e
m
a
n
tr
a
P
/.
o
N
le
d
o
M
n
oi
t
ac
ifi
ce
p
S
re
k
a
M
tr
a
P
.
o
N
e
m
a
n
tr
a
P
/.
o
N
le
d
o
M
n
oi
t
ac
ifi
ce
p
S
re
k
a
M
tr
a
P
.
o
N
e
m
a
n
tr
a
P
/.
o
N
le
d
o
M
n
oi
t
ac
ifi
ce
p
S
re
k
a
M
r
os
ne
Sr
os
ne
s
sa
G1
1
6
2
S
G
To
ra
gi
F
R
9
r
ot
si
se
Rk
0
1
Ω
W
8/
1
%
5
,
D
1
n
oit
ac
ifi
tc
e
R
e
d
oi
d
G
6
6
5
5
Sa
bi
hs
o
T
R
H
T
C
T
N
r
ot
si
mr
e
ht
k
7.
4
Ω
7
7
9
3
=
B
,s
pil
li
h
P
R
0
1
r
ot
si
se
Rk
0
1
Ω
W
8/
1
%
5
,
D
2
n
oit
ac
ifi
tc
e
R
e
d
oi
d
G
6
6
5
5
Sa
bi
hs
o
T
R
L
r
ot
si
se
RW
8/
1
,
%
1
,)
1
el
ba
T
ee
S(
R
1
1
r
ot
si
se
Rk
0
7
4
Ω
W
8/
1
%
5
,
D
3
n
oit
ac
ifi
tc
e
R
e
d
oi
d
G
6
6
5
5
Sa
bi
hs
o
T
R
1
r
ot
si
se
R7
5.
3
Ω
W
2/
1
,
%
1
,
R
2
1
r
ot
si
se
Rk
0
1
Ω
W
8/
1
%
5
,
D
4
n
oit
ac
ifi
tc
e
R
e
d
oi
d
G
6
6
5
5
Sa
bi
hs
o
T
R
2
r
ot
si
se
Rk
5.
1
1
Ω
W
8/
1
,
%
1
,
R
3
1
r
ot
si
se
Rk
0
1
Ω
W
8/
1
%
5
,
D
5
la
n
gi
s
ll
a
m
S
e
d
oi
d
8
8
5
1
S
1a
bi
hs
o
T
R
3
r
ot
si
se
Rk
2
3.
4
Ω
W
8/
1
,
%
1
,
R
4
1
r
ot
si
se
Rk
1
Ω
W
8/
1
%
5
,
D
6
la
n
gi
s
ll
a
m
S
e
d
oi
d
8
8
5
1
S
1a
bi
hs
o
T
R
4
r
ot
si
se
Rk
7
8.
7
Ω
W
8/
1
%
1
,
R
5
1
r
ot
si
se
Rk
0
7
4
Ω
W
8/
1
%
5
,
D
7
la
n
gi
s
ll
a
m
S
e
d
oi
d
8
8
5
1
S
1a
bi
hs
o
T
R
5
r
ot
si
se
R6
2
2
Ω
W
8/
1
%
1
,
C
1
cit
yl
ort
ce
l
E
r
oti
ca
pa
c
0
7
4
µ
V
5
2/
F
r
T
N
P
N
r
ot
si
s
na
rt
3
0
6
2
C
S
2i
hs
i
b
us
ti
M
R
6
r
ot
si
se
Rk
0
1
Ω
W
8/
1
%
5
,
C
2
cit
yl
ort
ce
l
E
r
oti
ca
pa
c
0
1
µ
V
0
1/
F
CI
1
e
ga
tl
o
V
r
ot
al
u
ge
r
T
C
5
0
M
8
7
C
Ma
l
or
ot
o
M
R
7
r
ot
si
se
Rk
0
0
2
Ω
W
8/
1
%
5
,
C
3
cit
yl
ort
ce
l
E
r
oti
ca
pa
c
0
7
4
µ
%
0
1
,
V
0
1/
F
CI
2
r
ot
ar
a
p
m
o
C9
3
3
M
La
l
or
ot
o
M
R
8
r
ot
si
se
Rk
0
1
Ω
W
8/
1
%
5
,
C
4
cit
yl
ort
ce
l
E
r
oti
ca
pa
c
7
4
µ
%
0
1
,
V
0
1/
F
CI
3
r
ot
ar
a
p
m
o
C3
9
3
M
La
l
or
ot
o
M
Appendix 1 - Example application circuit for gas detector using classified TGS2611