Wiring
Supply and outputs
CAUTION:
The power supply circuit should be equipped with a switch for turning it off, located close to
the device.
Probes
AKO-15740/15742
AKO-15750/15752/15780/15782
NTC
Pt1000
INPUT NO.
Example of connection of other probes:
DIGITAL
INPUT
x
x
n
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
1
2
3
4
5
6
7
8
9
10
4-20 mA
3 wires
4-20 mA
2 passive wires
4-20 mA
2 active wires
x
x
x
x
x
x
n
n
n
(1)
Connect to one of the + 15V output terminals (terminals 24 to 27).
For more information about the connection of humidity probes consult Manual 358004001 on our website:
www.ako.com
INPUT NO.
NTC
Pt1000
Pt100
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
Example of connection of other probes:
DIGITAL
INPUT
4-20 mA
3 wires
4-20 mA
2 passive wires
4-20 mA
2 active wires
x
x
x
x
x
x
x
x
x
x
n
n
n
n
n
1
2
3
4
5
x
x
x
x
x
NO
NO
C
C
NC
NC
Output
MINIMUM
ALARM
Output
MAXIMUM
ALARM
Outputs of
+15Vc
(max. 200mA)
8 A cos
j
= 1 250V
Input
100-
240Vac
24 25 26 27 28 29 30 31 32 33 34 35
Tr
-
Tr+
Gnd
21 22 23
(1)
(1)
(1)
(1)
Inputs
3 to 5
AKO-1575x
only
16
