IFM MFH User manual

Operating instructions
Hydraulic cylinder sensor
MFH / M9H
11400612 / 0005 / 2021
GB

2
1 Preliminary note
You will find instructions, technical data, approvals and further information using
the QR code on the unit / packaging or at www.ifm.com.
1.1 Symbols used
Requirement
Instructions
Reaction, result
[...] Designation of keys, buttons or indications
Cross-reference
Important note
Non-compliance may result in malfunction or interference.
Information
Supplementary note
2 Intended use
The unit detects ferromagnetic metals (FE metals) without contact and indicates
their presence by a switching signal.
3 Mounting
3.1 MFH
M12x1-6H
12,4
10 H7
Rz 6,3
15°
≥10 711
R
1,5
90°
max
The unit can be adjusted to the piston rod via the insertion depth.

3
ATTENTION
During set-up, do not screw in the unit too deeply to avoid
mechanical damage to the unit, piston rod and cylinder.
For mounting with a fixed end stop, use units from the M9H series.
1
2
1: Piston rod
2: Piston
uMake sure that the piston rod is in
the end position to be detected.
uScrew the unit up to the end stop.
uUnscrew the unit half a turn (~ 0.5
mm) to avoid mechanical damage.
uTighten the fixing nuts with < 15
Nm.
3.2 M9H
M14x1,5 -6H
≥ 10
≥ 11
Ra 3,2
90°
uScrew the unit into an M14 thread.
uTighten with < 25Nm.
GB

4
4 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.
uDisconnect power.
uConnect the unit as specified in the data sheet / type label.