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110 • Fieldbus Controller 750-841LED DisplayWAGO-I/O-SYSTEM 750ETHERNET TCP/IP3.1.9.2 Node Status – Blink code from the 'I/O' LEDLED Color MeaningIO red /green/orangeThe 'I/O' LED indicates the node operation and signals faultsoccurring.The coupler starts after switching on the supply voltage. The "I/O" LEDflashes red. Following an error free start up the "I/O" LED changes to greensteady light.In the case of a fault the "I/O" LED continues blinking red. The fault iscyclically displayed with the blink code.Detailed fault messages are displayed with the aid of a blink code. A fault iscyclically 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. Thenumber 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.“I/O”-LED is blinkingTest o.k.? NoYes“I/O”-LED is shiningready for operation2nd break1st break“I/O” LED1st flash sequence(Introduction of theerror indication)“I/O” LED2nd flash sequenceError code(Number of flash cycles)“I/O” LED3rd flash sequenceError argument(Number of flash cycles)Coupler/Controller starts upSwitching onthe power supplyFig. 3-16: Signalling of the LED for indication of the node status g012111eAfter clearing a fault, restart the coupler by cycling the power. |
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