FISCHER FT90 - Devices Only with Switch Outputs; Circuit

3 | Assembly FISCHER Mess- und Regeltechnik GmbH
18/108 BA_EN_FT90
3.4.2 Devices only with switch outputs
3.4.2.1 Circuit
The device is connected as described below. The admissible load/impedance is
stated in the technical data. The connection is performed using a prefabricated
sensor connection cable (see the accessories). Alternatively, a prefabricated
M12 connector can be used.
NOTICE!The protection class of the housing can be guaranteed only if an
IP65 connecting plug is used.
Version dP/T/rH
V
in
GND
FT90
Channel 1
U
Channel 2
Auxiliary energy
AC/DC
b
U
b
+
-
F1
Δp
T
1
3
4
2
(~)
(~)
1
2
3
4
SP1
SP2
ST2
5
6
7
8
SP3
SP4
Switch output 1
Switch output 2
Switch output 3
Switch output 4
No connection
No connection
ST1
5
No connection
Channel 3
%rH
FF90
Fig.12: 3-channel version
Version T/rH
V
in
GND
FT90
U
Channel 1
Auxiliary energy
AC/DC
b
U
b
+
-
F1
T
1
3
4
2
(~)
(~)
1
2
3
4
SP1
SP2
ST2
5
6
7
8
SP3
SP4
Switch output 1
Switch output 2
Switch output 3
Switch output 4
No connection
No connection
ST1
5
No connection
Channel 2
%rH
FF90
Fig.13: 2-channel version