Wago 750-553 Fieldbus Independent I/O Module 750-553 Scheda Tecnica

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The operational readiness and the trouble-free internal data bus 
communication of the channels are indicated via a green function LED. 

In addition, a red error LED will show if there are any broken wire or 
inadmissible load combinations. 

Any configuration of the output modules is possible when designing the 
fieldbus node. Grouping of module types is not necessary. 

The field side supply voltage is used for the power supply of the module. 

The field side supply voltage of 0 V and 24 V to downstream I/O modules is 
derived from adjacent I/O modules or from a supply module. The supply 
voltage for the field side is made automatically through the individual I/O 
modules by means of power jumper contacts. 

 

Warning 
The maximum current of the internal power jumper contacts is 10 A. When 
configuring the system it is important not to exceed the maximum/sum 
current. However, if such a case should occur, another supply module must be 
added. 

The analog output module 750-553 can be used with all couplers/controllers 
of the WAGO-I/O-SYSTEM 750 (except for the economy types 750-320, -
323,  
-324 and -327). 

State  Function 

off 

No operational readiness or the 
internal data bus communication is 
interrupted 

A 
green 

Function 

on 

Operational readiness and trouble-
free internal data bus 
communication 

off No 

Error 

 

Fig. 2.1.1-2: Display 
elements 

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B 
red 

Error 

on 

Broken wire or inadmissible load 
combination