
Series 613
INSTALLATION
984360EC
Edition 12.08.2022
23/149
5.5.2
Ground connection
Recommendation for ground connection between controller and system chassis with cable or with ground
strap.
•
Recommendation for ground connection cable: AWG 12 (4 mm
2
)
•
The connection point at chassis (FE) must be blank metal (not coated).
•
Connection plates of ground strap must be total plane for a good electrical contact!
•
The connection point at chassis (FE) must be blank metal (not coated). It is also
possible to connect the ground strap at system chamber if it is well connected to
PE.
•
Avoid low chassis cross section to the system PE connection. (min. same cross
section as ground strap)
Controller bottom side,
(sample picture)
Recommended torque: 1,3…1,7Nm
Chassis (FE)
(Functional Earth)