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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
INPUT NO.
NTC
Pt1000
Example of connection of other probes:
DIGITAL
INPUT
n
x x
AKO-15750/15752/15780/15782
INPUT NO.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
NTC
Pt1000
Example of connection of other probes:
Pt100
n
x
x
x
(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
8 A cos j = 1 250V
21 22 23
24 25 26 27 28 29 30 31 32 33 34 35
Outputs of
+15Vc
(max. 200mA)
1
2
3
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
4-20 mA
3 wires
n
(1)
x
x
1
2
DIGITAL
INPUT
n
(1)
x
x
x
NC
NO
C
NC
NO
C
Output
Output
MINIMUM
MAXIMUM
ALARM
ALARM
4
5
6
7
4-20 mA
4-20 mA
2 passive wires
2 active wires
n
(1)
x
x
3
4
4-20 mA
4-20 mA
3 wires
2 passive wires
n
n
(1)
x
x
x
x
x
16
Input
100-
240Vac
8
9
10
n
x
x
5
Inputs
3 to 5
AKO-1575x
only
4-20 mA
2 active wires
n
x
x
x
x
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