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OPC9000 series − Instruction manual v1.0
5 Electrical connections
5.1 Requirements
ATTENTION
Damage due to electrostatic discharge!
Damage to the device can be caused by electrostatic discharge.
Always adhere to the safety measures applicable when handling components at risk of being
•
damaged by electrostatic discharge.
ATTENTION
Damage to the electronics!
The electronics can be damaged if connectors are connected or disconnected while power is still
being applied.
Make sure that no power is being applied when connecting and disconnecting connectors.
•
5.2 Earthing concept
The earthing concept essentially depends on the installation site and must be planned and implemented
by a specialist electrical engineer.
The following are provided on the device:
FE connection in power supply connector as EMC filter reference potential
•
ATTENTION
This connection is necessary in order to comply with EMC requirements.
a PE earthing lug in the service slot
•
Recommendation for use:
When possible, FE and PE should be connected to the central earthing rail
via separate cable lines.
Conductor cross sections:
PE: ≥ AWG 16 (≙ 1.5 mm
•
FE: AWG 18 (≙ 0.75 mm
•
© ads-tec Industrial IT GmbH • Heinrich-Hertz-Str. 1 • 72622 Nürtingen • Germany
), optimal: AWG 13 (≙ 2.5 mm
2
). The cable colour must not be green-yellow.
2
). The cable colour must be green-yellow.
2
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