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System Description

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The WAGO-I/O-SYSTEM 750 is a modular, fieldbus-independent input/output

system (I/O system). The configuration described here consists of a fieldbus

coupler/controller (1) and the modular I/O modules (2) for any signal shapes that

form the fieldbus node together. The end module (3) completes the node and is

required for correct operation of the fieldbus node.

Figure 1: Fieldbus Node (Example)

Fieldbus couplers/controllers are available for different fieldbus systems.

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The standard fieldbus couplers/controllers contain the fieldbus interface,

electronics and a power supply terminal. The fieldbus interface forms the physical

interface to the relevant fieldbus. The electronics process the data of the I/O

modules and make it available for the fieldbus communication. The 24 V system

supply and the 24 V field supply are fed in via the integrated power supply

terminal.

The fieldbus coupler/controller exchanges process data with the respective control

via the respective fieldbus. The programmable fieldbus controllers (PFC) allow

implementation of additional PLC functions. WAGO-I/O-PRO is used to program

the fieldbus controllers according to IEC 61131-3.

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I/O modules for diverse digital and analog I/O signals as well as special functions

can be connected to the fieldbus coupler/controller. The communication between

the fieldbus coupler/controller and the I/O modules is carried out via an internal

bus.

The components of the WAGO-I/O-SYSTEM 750 have clear termination points,

light emitting diodes for status display, plug-in mini WSB tags and group marker

cards for labeling.

The 1, 2 or 3 wire technology supplemented by a ground wire connection allows

for direct sensor or actuator wiring.

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WAGO-I/O-System 750

750-370 PROFINET IO Fieldbus Coupler