IAI EC-RR6*AH series, Instruction Manual, Page: 207 / 348

3.2 Electrical specifications
3-4
3. Wiring
Frame grounding
The ELECYLINDER has a built-in controller circuit board.
The controller frame grounding line is connected to the ELECYLINDER body
and through to ground via the ELECYLINDER mounting surface.
If not grounding through the mounting surface, there are fixing screws (2 locations) under the
end cover, of which either one can be used for the ground wire connection.
Use a tester to measure the continuity between the fixing screws and grounding surface to
check whether it is grounded or not.
The front bracket for rod types and base bottom for slider types are not coated,
so can be used for checking continuity.
<Rod type> <Slider type>
Fixing screws
End cover
Ground wire
Front
bracket
Base
(non-coated
section)