S+S Regeltechnik HYGRASREG AFTF-35 Notice D'instruction page 11

G Installation and Commissioning
SUPPLY VOLTAGE :
For operating voltage reverse polarity protection, a one-way rectifier or
reverse polarity protection diode is integrated in this device variant.
This internal one-way rectifier on AC supply voltage.
The output signal is to be tapped by a measuring instrument. The output
signal is measured her against zero potential (O V) of the input voltage!
When this device is operated on DC supply voltage , the operating voltage
input UB+ is to be used for 15...36 V DC supply and UB – or GND for
ground wire!
When several devices are supplied by one 24 V AC voltage supply, it is to
be ensured that all "positive" operating voltage input terminals (+) of the
field devices are connected with each other and all "negative" operating
voltage input terminals (–) (= reference potential) are connected together
(in-phase connection of field devices). All outputs of field devices must be
referenced to the same potential!
In case of reversed polarity at one field device, a supply voltage short-
circuit would be caused by that device. The consequential short-circuit
current flowing through this field device may cause damage to it.
Therefore, pay attention to correct wiring!
Temperature table Temperature table
MR: –20...+80 °C MR: –20...+50 °C
°C U I
A A
[V] [mA]
0.0 4.0
– 20
– 15 0.5 4.8
– 10 1.0 5.6
– 5 1.5 6.4
0 2.0 7.2
5 2.5 8.0
10 3.0 8.8
15 3.5 9.6
20 4.0 10.4
25 4.5 11.2
30 5.0 12.0
35 5.5 12.8
40 6.0 13.6
45 6.5 14.4
50 7.0 15.2
55 7.5 16.0
60 8.0 16.8
65 8.5 17.6
70 9.0 18.4
75 9.5 19.2
80 10.0 20.0
Temperature table
MR: 0...+50 °C
°C U I
A A
[V] [mA]
0.0 4.0
– 20
– 15 0.7 5.1
– 10 1.4 6.3
– 5 2.1 7.4
0 2.9 8.6
5 3.6 9.7
10 4.3 10.9
15 5.0 12.0
20 5.7 13.1
25 6.4 14.3
30 7.1 15.4
35 7.9 16.6
40 8.6 17.7
45 9.3 18.9
50 10.0 20.0
Connecting scheme
Power supply
AC 24V~
DC 15-36V = GND
Connecting scheme
Power supply
AC 24V~
DC 15-36V = GND
Temperature table
MR: 0...+100 °C
°C U I °C
A A
[V] [mA]
0.0 4.0
0 0
5 1.0 5.6 5
10 2.0 7.2 10
15 3.0 8.8 15
20 4.0 10.4 20
25 5.0 12.0 25
30 6.0 13.6 30
35 7.0 15.2 35
40 8.0 16.8 40
45 9.0 18.4 45
50 10.0 20.0 50
55
60
65
70
75
80
85
90
95
100
11
Individual operation
Circuitry
0V
V
Circuitry
0V
Humidity table
MR: 0...100 % RH
U I %
A A
[V] [mA]
RH
0.0 4.0
0
0.5 4.8 5
1.0 5.6 10
1.5 6.4 15
2.0 7.2 20
2.5 8.0 25
3.0 8.8 30
3.5 9.6 35
4.0 10.4 40
4.5 11.2 45
5.0 12.0 50
5.5 12.8 55
6.0 13.6 60
6.5 14.4 65
7.0 15.2 70
7.5 16.0 75
8.0 16.8 80
8.5 17.6 85
9.0 18.4 90
9.5 19.2 95
10.0 20.0 100
Parallel operation
Circuitry
U I
A A
[V] [mA]
0.0 4.0
0.5 4.8
1.0 5.6
1.5 6.4
2.0 7.2
2.5 8.0
3.0 8.8
3.5 9.6
4.0 10.4
4.5 11.2
5.0 12.0
5.5 12.8
6.0 13.6
6.5 14.4
7.0 15.2
7.5 16.0
8.0 16.8
8.5 17.6
9.0 18.4
9.5 19.2
10.0 20.0