21
UK
6 Electrical connection
The unit must be connected by a qualified electrician�
The national and international regulations for the installation of electrical
equipment must be adhered to�
Voltage supply according to EN 50178, SELV, PELV�
► Disconnect power�
► Connect the unit as follows:
43
2 1
4
1
3
2
OUT2/InD
L
+
L
BN
BU
OUT1/IO-Link
WH
BK
Pin 1 Ub+
Pin 3 Ub-
Pin 4
(OUT1/
IO-Link)
•Switching signal: limit values for volumetric flow
•Pulse signal: 1 pulse every time the defined volumetric flow quantity is
reached�
•Switching signal: quantity meter reached preset value
•Frequency signal for volumetric flow quantity
•Switching signal: empty pipe detection
•IO-Link
Pin 2
(OUT2/
InD)
•Switching signal: limit values for volumetric flow
•Switching signal: limit values for temperature
•Analogue signal for volumetric flow quantity
•Analogue signal for temperature
•Switching signal: empty pipe detection
•Input for external reset signal (InD)
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)
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