765-1503/100-000
Installation and Removal
46
Product manual | Version: 2.0.0
16DO FLD EI DC 24V 2.0A
8.1.8 Grounding
Functional Ground
The L-coded M12 pluggable connectors of the product’s power supply have one FE
(functional ground) pin, which is connected to the metal housing of the product. The metal
housing in turn has a central grounding point for functional ground. You can ground the
module as follows:
• Grounding via the metal housing, and/or
• Grounding via functional ground of the power supply connection, and/or
• Grounding can be done separately via a cable lug and the mounting hole if the module
is installed on a non-conductive subsurface
Ensure proper contacts and a sufficient cable cross-section.
8.2 Removal
8.2.1 Tools Required for Removal
For removal, you need an Allen key to unscrew the M4 cylinder head hex screws per
DIN 912/ISO 4762.
8.2.2 Before Removal
CAUTION
Device gets hot
During operation, high surface temperatures can arise on the metal housing and metal
connection sockets. If the product has been in operation, allow it to cool before touching
it, or use gloves.
Prepare for removal as follows:
1. If the product is contaminated, clean it before removal. It is especially important to
clean contaminated screw-clamp connections.
2. Before removal, loosen all screw connections on the connectors and disconnect the
cables.
3. Ensure that the equipment part on which you mounted the product is de-energized.
4. Unscrew the two M4 cylinder head screws and remove the product.
8.2.3 Removal
To remove the product, e.g., when replacing a device, proceed as follows:
1. Ensure that the equipment part on which you mounted the module is de-energized.
2. Unscrew the two M4 cylinder head screws with the Allen key.
3. Remove the product.
8.2.4 After Removal
If the product that has been removed is defective, mark it as defective to prevent reuse of
the product.