The protective ground screw (X2) provides a means to ensure
grounding connection of the control unit.
Fig. 30: Ground screw
n Use the ground screw (M5) provided with the control unit.
n Use a wire of 5 mm
2
(11 AWG) cross section at minimum.
n For standard conforming distinction use wire sheathed in
yellow/green.
3.6 Safety connector
All PA 8000 EL models have two relays for safety functions.
The connector provides both a normally closed and a
normally open contact for each relay.
The safety contacts are located on connector X19.
The connector is always located on the PA PCI Inter-
face board.
(X2) Protective Ground Screw
Overview
PA 8000 EL CNC control unit
Design and function
24.09.2015 | 55
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