S+S Regeltechnik Hygrasgard KFF Operating Instructions, Mounting & Installation page 14

Schematic diagram
5 6
Passive Plug
sensor display
°C
1 2 3 4
Schematic diagram
Plug
display
UB- GND
Output temperature 0-10V in °C
Output humidity 0-10V in % r.H.
UB+ 24V AC/DC
3-wire
connection
+UB 24V AC/DC
1
Output humidity in % r.H. 0-10V
2
Free
3
–UB-GND
4
4-wire KFTF - U ⁄ AFTF - U
connection
+UB 24V AC/DC
1
Output humidity in % r.H. 0-10V
2
Output temperature in °C 0-10V
3
–UB-GND
4
with display
DIP switches
0N
multi-range
switching
1 2
r.H.
Offset
Offset
Temperature: ± 5 K
Humidity: ± 10% r.H.
with display
Offset temperature: ± 5 K
Offset humidity: ± 10 % r.H.
5 6
Passive sensor °C r.H.
Offset
0N
1 2
DIP switches
multi-range
switching
KFF - U ⁄ AFF - U 2- or 3-wire
connection*
1
2
3
4
3- or 4-wire
connection**
1
2
3
4
KFTF - U Schematic diagram**
AFTF - U Schematic diagram**
Output temperature 4-20mA in °C
Output humidity 4-20mA in % r.H.
KFF - I ⁄ AFF - I
(Transmitter)
+UB 24V DC
Output humidity in % r.H. 4-20mA
Free
–UB-GND (optional for backlighting)
KFTF - I ⁄ AFTF - I
(Transmitter)
+UB 24V DC
Output humidity in % r.H. 4-20mA
Output temperature in °C 4-20mA
–UB-GND (optional for backlighting)
14
5 6
Passive Plug
sensor
display
0N
1 2
°C r.H.
Offset
1 2 3 4
Offset temperature: ± 5 K
Offset humidity: ± 10 % r.H.
5 6
Passive sensor
0N
Plug
display
1 2
UB- GND (optional for
LCD background lighting
UB+ 24V DC
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
Output humidity in % r.H. 4–20mA
2
Output temperature in °C 4–20mA
3
–UB-GND (optional for backlighting)
4
Passive element
5
e.g. Pt1000, Ni1000,
6
LMZ235Z
KFTF - I
with display
DIP switches
multi-range
switching
Offset
Temperature: ± 5 K
Humidity: ± 10 % r.H.
AFTF - I
with display
°C r.H.
Offset
DIP switches
multi-range
switching
KFTF - U ⁄ AFTF - U
(passive temperature
sensor)
KFTF - I ⁄ AFTF - I
(passive temperature
sensor)