WAGO Modular IO System INTERBUS S Service Manual download pdf (Page 10)

INTERBUS S / Buscoupler

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2 Buscoupler - INTERBUS S

2.1 Buscoupler - Hardware

Ill. 2: The INTERBUS buscoupler

The 750-304 Interbus coupler consists of two major electronic sub systems:

left side:

This housing contains the electronics for the coupling to the bus, the processor

and the fieldbus connection. (ill. 2.1)

right side:

This housing contains the DC to DC converter and power distribution for the internal K

bus, local processor and external 24 V DC connections to other discrete I/O modules.

Illustration 2.2 identifies the 24 V DC connection points to supply voltage to I/O

modules. Illustration 2.3 identifies the ground connection.

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WAGO Modular IO System INTERBUS S Service Manual Page 10