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Installation and operating manual
EN
20
METPOINT
®
SF53
4. Electrical installation
4.1. Pin assignment of plug-type connectors
Pin assignment of plug-type connector A, M12 x 1, 5-pin, A-coded (according to EN 61076-2-101)
Pin assignment of connector
Transmitter side
Pin assignment of connector
Socket side
Pin assignment of connector
Screw side
Pin assignment of plug-type connector B, M12 x 1, 5-pin, A-coded (according to EN 61076-2-101)
Pin assignment of connector
Transmitter side
Pin assignment of connector
Socket side
Pin assignment of connector
Screw side
4.2. Connection options
4.2.1. Bidirectional RS485 bus system
Connection by means of plug-type connector A.
Connection diagram for METPOINT
®
SF53 and METPOINT
®
BDL
q
METPOINT
®
FLM SFxx
1
2
4
3
RS485
A
B
V
U
+
V
U
+
V
U
-
V
-
U
RS485
MODBUS
+
-
V
Pin assignment - sensor
Function
Wire colour
PIN-1
+ U
V
Plus (+) connection, power supply
brown
PIN-2
Bus A (+)
Non-inverted signal (+) from RS485 interface
white
PIN-3
- U
V
Minus (-) connection, power supply
blue
PIN-4
Bus B (-)
Inverted signal (-) from RS485 interface
black