5. Commissioning, operation
Pin assignment
Circular connector M12 x 1 (4-pin)
U+
U-
4
3
S+
1
2
SP1
SP2
Legend:
U+
Positive power supply terminal
U-
Negative power supply terminal
SP1
Switching output 1
SP2
Switching output 2
S+
Analogue output
WIKA operating instructions flow switch, model FSD-3
1
3
2
4
2
EN
15