Beijer Electronics X2 base 7 v2 HP - Ethernet Connection in the Operator Panel

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Additional Installation Tip s

Note:

Thegroundingwiresshouldbeshortandtheconductorshouldhavealargearea.

Along,thingroundingwirehasaveryhighimpedance(resistance)athighfrequencies

anddoesnotguidedisturbancestotheground.

Multi-wireconductorsareb etterthansinglewireconductorswiththesamearea.

Abraidedconductorwirewiththesameareaisevenbetter. Thebestisashort,thick

groundingbraid.

7.2 EthernetConnectioninthe

OperatorPanel

RJ45

Industrial Ethernet

Operator panel

Shielded

Short and

unshielded

0.1 μF

250 V

1-1

3-3

8-8

2-2

In some industrial units for Ethernet, the RJ45 contact’s shield is connected to the

chassis via a capacitor, see 1 in drawing above.

The operator panel’s Ethernet shield is directly connected to the chassis, see 2 in

drawing above.

Check whether the other Ethernet unit has its shield directly grounded or

grounded via a capacitor.

Note:

Inmanycases,connectingtheshieldedEthernetcablingtothechassisatbothendsis

inappropriate. Humo rgroundingloopscanoccur. Unshieldedcablingm ayevenresult

infewercommunicationerrors.

BeijerElectronics, MAEN330

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