3 INSTALLATION
3.4.5 Wiring of a flow sensor type 8020 to a wall-mounted transmitter type 8025
1
2
3
4
(*)
1
8020
3
Fig. 3.7 Flow transmitter 8025 wall-mount version
3.5 Wiring of flow sensor 8020 standard with Hall Sensor 2 to a PLC
Depending on the PLC version, use either the PNP or NPN version of the pulse output
(see Fig. 3.8).
NPN
Hall
Hall
PNP
Fig. 3.8 Wiring diagram of flow sensor 8020 with Hall sensor 2 to a PLC
8020
y
2
(*) Link not necessary for 8020 with coil
(1) L+
(2) Pulse output
(3) L-
(1) L+
y Pulse output
(3) L-
FLOW SENSOR TYPE 8020
shield
8020 coil
L. max. 10 m
8020 Hall
L. max. 50 m
E-11-
PE
V+
PLC
GND
V+
PLC
GND