13
G
HYGRASGARD
®
AFF - xx ⁄ AFTF - xx
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
*
2-wire connection for devices with ⁄ without display (not illuminated)
3-wire connection for devices with illuminated display
**
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 !
Schematic diagram
AFTF - SD - U
with / without display
(Tyr1)
Schematic diagram
**
AFTF - SD - I
with / without display
(Tyr1)
4- or 6-wire
AFTF - I
connection
(passive temperature
sensor)
4-wire
AFTF - xx - U
connection
3- or 4-wire
AFTF - xx - I
connection** (Transmitter)
3-wire
AFF - xx -U
connection
2- or 3-wire
AFF - xx - I
connection* (Transmitter)
4- or 6-wire
AFTF - U
connection
(passive temperature
sensor)
1
2
3
4
–UB-GND
Free
Output humidity in % r.H. 0-10V
+UB 24V AC/DC
1
2
3
4
5
6
Passive element
–UB-GND
Output temperature in °C 0-10V
Output humidity in % r.H. 0-10V
+UB 24V AC/DC
e.g. Pt1000, Ni1000,
LMZ235Z
1
2
3
4
5
6
Passive element
–UB-GND (optional for backlighting)
Output temperature in °C 4...20mA
Output humidity in % r.H. 4...20mA
+UB 24V DC
e.g. Pt1000, Ni1000,
LMZ235Z
1
2
3
4
–UB-GND
Output temperature in °C 0-10V
Output humidity in % r.H. 0-10V
+UB 24V AC/DC
1
2
3
4
Output temperature in °C 4...20mA
Output humidity in % r.H. 4...20mA
+UB 24V DC
–UB-GND (optional for backlighting)
1 2 3 4
5 6
1 2
0N
Offset
°C
r.H.
Plug
display
DIP switches
multi-range
switching
UB+ 2
4V A
C/DC
Output humidity 0-1
0V in % r
.H.
Output t
emper
atur
e 0-1
0V in °C
UB- GND
Passive
sensor
Offset
Temperature: ± 5 K
Humidity: ± 10% r.H.
1 2 3 4
5 6
1 2
0N
Offset
°C
r.H.
UB+ 24V DC
Output humidity 4 – 20 mA in % r
.H.
Output t
emper
atur
e 4 – 20 mA in °C
UB- GND (optional f
or
LCD back
gr
ound lighting
Plug
display
Passive
sensor
DIP switches
multi-range
switching
Offset
Temperature: ± 5 K
Humidity: ± 10 % r.H.
1
2
3
4
–UB-GND (optional for backlighting)
Free
Output humidity in % r.H. 4...20mA
+UB 24V DC
