Sharp DP-750 Wartungshandbuch PDF herunterladen (Seite 101)

Fieldbus ECO-Coupler 750-343 • 101

LED Signaling

WAGO-I/O-SYSTEM 750

PROFIBUS

Fault Argument Fault Description Remedy

Fault code 4: Internal Bus Data Fault

0 Data fault on internal bus or

Internal bus interruption on

Coupler

Replace the Coupler

n* (n>0) Internal bus interrupted after I/O

module n

Switch off the supply voltage of the

coupler. Replace the nth module and

switch the supply voltage on again.

Fault code 5: Register Communication Fault

n* Internal bus fault during register

communication with the I/O

module n

Switch off the supply voltage of the

coupler. Replace the nth module and

switch the supply voltage on again.

* The number of blink pulses (n) indicates the position of the I/O module. I/O modules

without data are not counted (e.g. supply module without diagnostics)

Example: the 13

I/O Module is Removed.

1. The I/O-LED generates a fault display with the first blink sequence (approx. 10 Hz).

2. The first pause is followed by the second blink sequence (approx. 1 Hz). The I/O-LED

blinks four times and thus signals the fault code 4 (internal bus data fault).

3. The third blink sequence follows the second pause. The I/O-LED blinks twelve times.

The fault argument 12 means that the internal bus is interrupted after the 12

I/O

module.

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Sharp DP-750 Wartungshandbuch Seite 101