S+S Regeltechnik HYGRASGARD AFTF Series Operating Instructions, Mounting & Installation page 13

G
®
HYGRASGARD
Schematic diagram
5 6
Passive Plug
sensor display
1 2 3 4
3-wire
connection
+UB 24V AC/DC
1
Output humidity in % r.H. 0-10V
2
Free
3
–UB-GND
4
4-wire
connection
1 +UB 24V AC/DC
Output humidity in % r.H. 0-10V
2
Output temperature in °C 0-10V
3
–UB-GND
4
Temperature
measuring ranges
(adjustable)
– 35 ... + 75 °C
– 35 ... + 35 °C
0 ... + 50 °C (default)
0 ... + 80 °C
AFF - xx ⁄ AFTF - xx
AFTF - SD - U
with / without display
DIP switches
0N
multi-range
switching
1 2
°C r.H.
Offset Offset
Temperature: ± 5 K
Humidity: ± 10% r.H.
AFF - xx -U 2- or 3-wire
connection*
1
2
3
4
AFTF - xx - U 3- or 4-wire
connection**
1
2
3
4
DIP DIP
1 2
O N O N
OFF OFF
OFF O N
O N OFF
Schematic diagram**
(Tyr1)
AFF - xx - I
(Transmitter)
+UB 24V DC
Output humidity in % r.H. 4...20mA
Free
–UB-GND (optional for backlighting)
AFTF - xx - I
(Transmitter)
+UB 24V DC
Output humidity in % r.H. 4...20mA
Output temperature in °C 4...20mA
–UB-GND (optional for backlighting)
*
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 !
13
5 6
Passive Plug
sensor
display
DIP switches
0N
multi-range
switching
1 2
°C r.H.
Offset Offset
Temperature: ± 5 K
Humidity: ± 10 % r.H.
1 2 3 4
4- or 6-wire
connection
+UB 24V AC/DC
1
Output humidity in % r.H. 0-10V
2
Output temperature in °C 0-10V
3
–UB-GND
4
Passive element
5
e.g. Pt1000, Ni1000,
6
LMZ235Z
4- or 6-wire
connection
+UB 24V DC
1
2 Output humidity in % r.H. 4...20mA
Output temperature in °C 4...20mA
3
–UB-GND (optional for backlighting)
4
Passive element
5
e.g. Pt1000, Ni1000,
6
LMZ235Z
AFTF - SD - I
with / without display
(Tyr1)
AFTF - U
(passive temperature
sensor)
AFTF - I
(passive temperature
sensor)