Mounting and demounting
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6.1.1
Grounding
Functional earth
The L-coded M12 connectors of the power supply of the NFD-3090-PNS-
IOLM\W device have a pin FE (functional earth). You can ground the
device via FE of the power supply connection or via the screws to the FE
plate at the plastic housing. Grounding the device is recommended.
6.2
Demounting
Required tools for demounting
For demounting, you need an Allen key to loosen the M4 hexagon socket
head screws according to DIN 912 or ISO 4762.
Before demounting
Prepare for demounting:
Device is hot!
During operation, high surface temperatures can occur on the housing and
at the metal connections, especially at the M12 connector sleeve. If the
device was in operation, let it cool down before touching it or use gloves.
Ø
Disconnect the part of the plant to which you have mounted the device
from the power supply.
Ø
If the device is dirty, clean it first. It is particularly important to clean dirty
screw connections.
Ø
Before demounting, loosen all screw connections at the terminals and
disconnect the cables.
Demounting
To disassemble the device, e.g. when replacing the device, proceed as
follows:
Ø
Make sure that the part of the plant on which you have mounted the
device is zero-potential.
Ø
Use the Allen key to loosen the two M4 cylinder head screws.
Ø
Remove the device.
After demounting
If the demounted device is defective, mark it as defective to prevent the
device from being used again.
NFD-3090-PNS-IOLM\W | Hardware, installation and commissioning
DOC201101UM03EN | Revision 3 | English | 2022-02 | Released | Public
© Hilscher 2020 - 2022
