Micromod MOD: Remote I/O Modules for use with 2020N Remote Instrukcja Użytkownika Pobierz pdf (Strona 14)

Remote I/O Modules

ELECTRICAL CONNECTIONS

3.3 GROUND CONNECTIONS

All products in a cabinet must be connected to the same earth. When the remote units are

outside the cabinet, they must be connected to the nearest earth. The connection to the

earth has to be as short as possible (shorter than 25 cm).

Ground concept with different cabinets

• The capacitor is integrated in the plug-in base.

• When the cabinets are close to each other, the different earths have to be connected

together with a cable with a cross section of at least 16 mm

• The noisy elements (drives, motors, ...) do not have to be connected to the earth

between two cabinets.

• The connection to the earth has to be near the noisier element.

• In a noisy environment, use an isolated transformer with a shield in each cabinet (even

for 24 VDC version).

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Micromod MOD: Remote I/O Modules for use with 2020N Remote Instrukcja Użytkownika Strona 14