A SERVICE OF

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Chapter 1- Hardware Description
1-18
5 Connect the green or green-yellow wire to the system single-point
M6x15 “Ground” bolt.
If the unit is rack mounted, the single-point ground on the MCU must
be connected to the rack with a single conductor and fixed as to
prevent loosening.
When using bare conductors, they must be coated with an
appropriate antioxidant compound before crimp connections are
made. Tinned, solder-plated or silver plated connectors do not have
to be prepared in this manner.
6 Replace the transparent plastic caps on the terminal block.
The rating of the protective earthing conductor should be a minimum of 10AWG.