2PAA118721 | Quick Installation Guide LD 810HSE Ex 21
FF H1 Bus Line Channel 3
CH3 Pin Signal Description
13 + Fieldbus +
14 S Fieldbus shield
15 − Fieldbus −
FF H1 Bus Line Channel 4
CH4 Pin Signal Description
16 + Fieldbus +
17 S Fieldbus shield
18 − Fieldbus −
The eldbus shield is not directly connected to functional earth. For
EMC reasons, it is only connected via a capacitor. If a direct
connection to functional earth or protective earth is required, you
need to implement this separately.
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