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96 • Fieldbus ECO-Coupler 750-343

LED Signaling

WAGO-I/O-SYSTEM 750

PROFIBUS

3.1.10 LED Signaling

The Coupler possesses several LED's for on site signaling of the Coupler

operating status or the complete node

Fig. 3-10: Display elements 750-343 g012120x

The upper four LEDs (RUN, BF, DIA, BUS) display the state of the

PROFIBUS communication.

The lower LED (I/O) displays the internal state of the complete node.

3.1.10.1 Blink Code

Detailed fault messages are displayed with the aid of a blink code. A fault is

cyclically displayed with up to 3 blink sequences.

· The first blink sequence (approx. 10 Hz) starts the fault display.

· The second blink sequence (approx. 1 Hz) following a pause. The number

of blink pulses indicates the fault code.

· The third blink sequence (approx. 1 Hz) follows after a further pause. The

number of blink pulses indicates the fault argument.

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Sharp DP-750 Wartungshandbuch Seite 96