6
ABB i-bus
®
EIB / KNX
1
Label carrier
2
Programming button
3
Programming LED
4
Bus connection terminal
5
Power supply
6
Auxiliary voltage output
to supply the sensors
7
Sensor inputs
2.2 Circuit
diagrams
2.3 Dimension
drawing
Device technology
Fig. 7: Dimension drawing
A
1
2
B
3
4
5
6
7
8
AE/S 4.2
0 V
9
L
ABB i-bus
N
10
11
12
U
s
C
D
U
s
= 115 . . . 230 V~
I
n
= 300 mA
U
n
= 24 V DC
U
n
45
58
44
6.5
90
72
®
A
1
2
B
3
4
5
6
7
8
AE/S 4.2
0 V
9
L
N
10
11
12
Us
C
D
U
s
= 115 . . . 230 V~
I
n
= 300 mA
U
n
= 24 V DC
Un
3
2
1
7
6
5
4
ABB i-bus
®
2CDC 072 557 F0004
Fig. 2: Circuit diagram of a
PT100 temperature sensor
A
1
2
B
3
4
5
6
7
8
AE/S 4.2
0 V
9
L
N
10
11
12
Us
C
D
U
s
= 115 . . . 230 V~
I
n
= 300 mA
U
n
= 24 V DC
Un
3
2
1
7
6
5
4
ABB i-bus
®
2CDC 072 555 F0004
Fig. 3: Circuit diagram
of a floating contact
Signal
A
1
2
B
3
4
5
6
7
8
AE/S 4.2
0 V
9
L
ABB i-bus
N
10
11
12
Us
C
D
U
s
= 115 . . . 230 V~
I
n
= 300 mA
U
n
= 24 V DC
Un
3
2
1
7
6
5
4
®
2CDC 072 553 F0004
Fig. 4: Circuit diagram of a
3-conductor sensor with
intrinsic supply
Signal
A
1
2
B
3
4
5
6
7
8
AE/S 4.2
0 V
9
L
ABB i-bus
N
10
11
12
Us
C
D
U
s
= 115 . . . 230 V~
I
n
= 300 mA
U
n
= 24 V DC
Un
3
2
1
7
6
5
4
®
2CDC 072 551 F0004
Fig. 5: Circuit diagram of a 4-
conductor sensor with
intrinsic supply
A
1
2
B
3
4
5
6
7
8
AE/S 4.2
0 V
9
L
N
10
11
12
Us
C
D
U
s
= 115 . . . 230 V~
I
n
= 300 mA
U
n
= 24 V DC
Un
3
2
1
7
6
5
4
Signal
. . . . .
.
. . . . . . . . .
.
L
N
PE
ABB i-bus
®
2CDC 072 549 F0004
Fig. 6: Circuit diagram of a sensor
with an external supply
2CDC 072 039 F0004