10
G
HYGRASGARD
®
AFTF - 20 - VA
Schematic diagram
Schematic diagram
**
DIP 3, 4, 5, 6 are not assigned!
DIP 3, 4, 5, 6 are not assigned!
AFTF - xx - U
with ⁄ without display
(Tyr 2)
AFTF - xx - I
with ⁄ without display
(Tyr 2)
1
2
3
4
1 2 3 4 5 6
ON DIP
°C
offset
r.H.
Plug for
display
Cont
act
pin side
+UB 24V AC/DC
Output humidity 0-10V in % r.H.
Output temperature 0-10V in °C
–UB GND
1
2
3
4
1 2 3 4 5 6
ON DIP
°C
offset
r.H.
Plug for
display
Cont
act
pin side
+UB 24V DC
Output humidity 4...20mA in % r.H.
Output temperature 4...20mA in °C
–UB GND (optional for LCD
backlighting)
**
3-wire connection for devices with ⁄ without display (not illuminated)
4-wire connection for devices with illuminated display
At the
I variant
the humidity path must necessarily be connected !
Temperature
measuring ranges
(adjustable)
DIP
1
DIP
2
– 35...+ 75 °C
O N
O N
– 35...+ 35 °C
OFF
OFF
0
...
+ 50 °C
(default)
OFF
O N
0...+ 80 °C
O N
OFF
Pin assignment
(M12)
Pin assignment
(M12)
AFTF - xx - U
AFTF - xx - I
1
2
3
4
5
45°
1
2
3
4
5
+UB 24V AC/DC
Output humidity 0 -10V [% r.H.]
Output temperature 0 -10V [°C]
–UB GND
Shield
1
2
3
4
5
45°
1
2
3
4
5
+UB 24V DC
Output humidity 4…20mA [% r.H.]
Output temperature 4…20mA [°C]
–UB GND (optional for LCD
backlighting)
Shield
