Rockwell Automation Allen-Bradley 7712, Руководство пользователя

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Rockwell Automation Publication 7712-UM001D-EN-P - October 2017 31
Equipment Operation Chapter 4
1. Insert the earthing switch tool at the end of the earthing switch shaft
( Figure 10 ).
Figure 10 - Close Earthing Switch
2. Rotate the earthing switch tool approximately 60° counterclockwise
until the switch is completely closed.
Earthing Switch Positioning Indicators
An arrow at the end of the earthing switch shaft indicates the state of the
switch. Depending on the position of the earthing switch, the arrow points to
the corresponding decal located on the door.
Open/Closed Position Indicator Decal
In the closed position ( Figure 11 ), the arrow points toward “I” (red
background).
Figure 11 - Switch indicator - Off
Earthing switch OPEN Unearthed
Earthing switch CLOSED Earthed
Earthing
Switch
Tool
Earthing Switch
Shaft
Closed
position