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Installation
Before mounting and removing the sensor, make sure that no
pressure is applied to the system.
Mount the pressure sensor on a G¼ process connection.
Electrical connection
The unit must be connected by a suitably qualified electrician.
The national and international regulations for the installation of
electrical equipment must be observed.
Voltage supply to EN50178, SELV, PELV.
The device shall be supplied from an isolating source and
protected by an overcurrent device such that the limited voltage
circuit requirements in accordance with UL 508 are met.
Disconnect power before connecting the unit as follows:
2 x p-switching
1
2
4
2: OUT2
3
4: OUT1
Connector view (sensor)
3
BN
L +
WH
BK
BU
L
2
1
4
2 x n-switching
1
2
4
2: OUT2
3
4: OUT1
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white),
3 = BU (blue), 4 = BK (black).
Pin 4 (OUT1) = switching output
Pin 2 (OUT2) = switching output if
OU2 = Hno, Hnc, Fno, Fnc
Pin 2 (OUT2) = diagnostic output if
OU2 = dESI
BN
L +
WH
BK
BU
L
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