S+S Regeltechnik HYGRASGARD RFF Notice D'instruction page 13

Schematic diagram
+UB 24V AC/DC
Output humidity in % r.H. 0-10V
Output temperature in °C 0-10V
–UB-GND
Passive sensor
6 5
3-wire
connection
+UB 24V AC/DC
1
Output humidity in % r.H. 0-10V
2
Free
3
–UB-GND
4
4-wire
connection RFTF - U with display
+UB 24V AC/DC
1
Output humidity in % r.H. 0-10V
2
Output temperature in °C 0-10V
3
–UB-GND
4
RFTF - U - x
RFTF - U - x with display
Plug for display
min. max. min. max.
°C r.H.
Offset
Offset temperature : ± 5 K
Offset humidity : ± 10% r.H.
RFF - U 2- or 3-wire
*
connection
+UB 24V DC
1
Output humidity in % r.H. 4-20mA
2
Free
3
–UB-GND (optional for backlighting)
4
RFTF - U
3- or 4-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
Schematic diagram
+UB 24V DC
Output humidity in % r.H. 4-20mA
Output temperature in °C 4-20mA
- UB-GND (optional
for LCD backlighting)
Passive sensor
6 5
RFF - I
(Transmitter)
RFTF - I
(Transmitter)
*
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
RFTF - I - x with display
Plug for display
min. max.
°C
Offset temperature : ± 5 K
Offset humidity : ± 10% r.H.
4- or 6-wire
connection (passive temperature
+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 (passive temperature
+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
RFTF - I - x
min. max.
r.H.
Offset
RFTF - U
sensor)
RFTF - I
sensor)