Wiring
5
Wiring
DANGER!
Danger to life due to electric shock, risk of fire due to short circuit.
Wiring must be performed by authorized or certified personnel.
Follow the instructions given below before wiring.
Make sure that the earthing resistance does not exceed 0.1 Ω.
Turn OFF the main power supply.
Put up the warning sign prescribed, e.g. "Do not turn the power on!".
Install a switch-on guard as prescribed.
5.1
Follow electrical installation standards and wiring regulations for grounding. The cable
cross-section must be 6 mm² or more.
With regard to the direct connection of the earthing cable, see Fig. 5-1: "Grounding
method".
NOTICE
Note on earthing connection!
Never use the earthing cable together with another earthing cable, e.g.
Of a different electrical consumer
Of a different motor-driven consumer
Welding devices etc.
Where metal ducts, metallic conduits, or distributing racks are used for cable laying,
grounding should be performed in accordance with applicable electrical installation
standards.
M8 screw for earthing is supplied with the robot (at least 6 mm² protective earth con-
1
ductor).
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5
22
Grounding
1
Fig. 5-1: Grounding method