14
G
HYGRASGARD
®
RFF ⁄ RFTF
Rev. 2021 - V23
NOTE
At transmitters with current output the humidity output (Pin 2)
must categorically be connected !
Connecting diagram
RFTF - U
Output:
with ⁄ without Display
0 -10 V
Connecting diagram
RFTF - I
Output:
with ⁄ without Display
4 ... 20 mA
1 2 3 4
230V AC
24V AC/DC
PLC
PC
+U
B
24
V
AC
/D
C
Ou
tp
ut
hu
m
id
ity
in
%
r.H
. 0
-1
0V
Ou
tp
ut
te
m
pe
ra
tu
re
in
°C
0-
10
V
–UB
-GN
D
1 2 3 4
230V AC
24V DC
+U
B
24
V
DC
Ou
tp
ut
hu
m
id
ity
in
%
r.H
. 4
...2
0m
A
Ou
tp
ut
tem
per
at
ur
e
in °
C
4
...2
0m
A
–UB
-GN
D
PLC
Working
resistance
