Sharp DP-750 Wartungshandbuch PDF herunterladen (Seite 26)

26 • The WAGO-I/O-SYSTEM 750

Power Supply

WAGO-I/O-SYSTEM 750

PROFIBUS

The maximum input current of the 24 V system supply is 260 mA. The exact

electrical consumption (I

(24 V)

) can be determined with the following formulas:

ECO Coupler

(5 V) total.

= Sum of all the internal current consumption of the connected

bus modules

+ internal current consumption of the ECO coupler

750-613

(5 V) total.

= Sum of all the internal current consumptions of the connected

bus modules

Input current m I

(24 V)

= 5 V / 24 V * I

(5 V) total.

/ η

η = 0.80 (at nominal load)

Note

If the electrical consumption of the power supply point for the 24 V-system

supply exceeds 260 mA for the ECO coupler respectively 500 mA for the

750-613, then the cause may be an improperly aligned node or a defect.

During the test, all outputs, in particular those of the relay modules, must be

active.

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Sharp DP-750 Wartungshandbuch Seite 26