Optional Steps; Grounding Plate - ABB ACS580-01 +C135 Series Original Instructions Manual

Mechanical installation – Frames R1 to R3 25
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Optional steps

Grounding plate

For R1 and R2: If you wish to install the grounding plate, push it onto the alignment
pins of the bottom bracket and attach it.
(1.1 lbf·ft)
(1.1 lbf·ft)